Station Overview Station Location
Station Number CA-NV-28 Latitude 39.228825
Station Name Grass Valley 0.5 NNW Longitude -121.059479
County Nevada Elevation (ft) 2669



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 11 2.96 3.69 31 3.69 31 0.00 0 0 4 0 0.0 0 0
Nov 11 7.27 2.04 30 2.04 30 0.00 0 0 8 1 0.0 0 0
Dec 11 11.18 0.15 31 0.15 31 0.00 0 0 3 1 0.0 0 0
Jan 12 10.32 7.09 31 7.09 31 0.00 0 0 7 1 0.0 0 0
Feb 12 9.75 2.68 29 2.68 29 0.00 0 0 11 1 2.3 3 2
March 12 9.29 16.07 29 16.07 29 0.00 0 0 20 0 0.8 3 4
April 12 4.54 8.48 30 8.48 30 0.00 0 0 9 1 0.7 2 2
May 12 2.59 0.35 31 0.35 31 0.00 0 0 4 0 0.0 0 0
June 12 0.73 1.55 20 1.55 20 0.00 0 0 2 1 0.0 0 0
July 12 0.02 0.03 28 0.03 28 0.00 0 0 2 2 0.0 0 0
Aug 12 0.18 0.00 31 0.00 31 0.00 0 0 0 2 0.0 0 0
Sept 12 1.06 0.00 26 0.00 26 0.00 0 0 0 1 0.0 0 0
Water Year Totals: 59.89" 42.13" 347 days 42.13" 347 0.00" 0 days 0 70 days 11 days 3.8" 8 days 8 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2011 0.00
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 1.56
10/6/2011 0.40
10/7/2011 0.27
10/8/2011 0.00
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 1.46
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.00
10/18/2011 0.00
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.00
10/27/2011 0.00
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 0.00
10/31/2011 0.00
11/1/2011 0.00
11/2/2011 0.00
11/3/2011 0.00
11/4/2011 0.20
11/5/2011 0.00
11/6/2011 0.74
11/7/2011 0.06
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.19
11/13/2011 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.26
11/20/2011 0.28
11/21/2011 0.10
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 T
11/25/2011 0.21
11/26/2011 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.00
12/2/2011 0.00
12/3/2011 0.00
12/4/2011 0.00
12/5/2011 0.00
12/6/2011 0.00
12/7/2011 0.00
12/8/2011 0.00
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.00
12/15/2011 0.08
12/16/2011 0.01
12/17/2011 0.00
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 0.00
12/21/2011 0.00
12/22/2011 0.00
12/23/2011 0.00
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 T
12/31/2011 0.06
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 T
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.00
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.00
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.00
1/18/2012 0.00
1/19/2012 0.00
1/20/2012 0.51
1/21/2012 4.12
1/22/2012 0.02
1/23/2012 1.42
1/24/2012 0.86
1/25/2012 0.00
1/26/2012 0.01
1/27/2012 0.15
1/28/2012 0.00
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.16
2/2/2012 0.04
2/3/2012 0.00
2/4/2012 0.00
2/5/2012 0.00
2/6/2012 0.00
2/7/2012 0.02
2/8/2012 0.11
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.06
2/12/2012 0.01
2/13/2012 0.99
2/14/2012 0.04
2/15/2012 0.09
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.01
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.00
2/24/2012 0.00
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 T
2/29/2012 1.15
3/1/2012 0.77
3/2/2012 0.82
3/3/2012 0.00
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.06
3/7/2012 0.04
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.06
3/12/2012 0.07
3/13/2012 0.28
3/14/2012 3.13
3/15/2012 1.53
3/16/2012 1.98
3/17/2012 2.89
3/18/2012 0.61
3/19/2012 0.91
3/20/2012
3/21/2012 0.00
3/22/2012 0.00
3/23/2012
3/24/2012 0.00
3/25/2012 0.33
3/26/2012 0.17
3/27/2012 0.02
3/28/2012 1.79
3/29/2012 0.28
3/30/2012 0.31
3/31/2012 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2012 1.20
4/2/2012 T
4/3/2012 0.00
4/4/2012 0.75
4/5/2012 0.00
4/6/2012 0.04
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.36
4/12/2012 1.27
4/13/2012 3.18
4/14/2012 0.28
4/15/2012 0.00
4/16/2012 0.00
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.00
4/20/2012 0.00
4/21/2012 0.00
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 1.23
4/27/2012 0.17
4/28/2012 0.00
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.00
5/3/2012 0.00
5/4/2012 0.15
5/5/2012 0.01
5/6/2012 0.00
5/7/2012 0.00
5/8/2012 0.00
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.00
5/13/2012 0.00
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.00
5/20/2012 0.00
5/21/2012 0.00
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.00
5/25/2012 0.00
5/26/2012 0.02
5/27/2012 0.17
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 0.00
6/1/2012 0.00
6/2/2012 0.00
6/3/2012 0.00
6/4/2012 T
6/5/2012 1.54
6/6/2012 0.01
6/7/2012 0.00
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.00
6/13/2012
6/14/2012 0.00
6/15/2012
6/16/2012
6/17/2012
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012 0.00
6/25/2012 0.00
6/26/2012 0.00
6/27/2012 0.00
6/28/2012 0.00
6/29/2012 0.00
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 0.00
7/7/2012 0.00
7/8/2012 0.00
7/9/2012 0.00
7/10/2012 0.00
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.00
7/15/2012 0.00
7/16/2012
7/17/2012 0.00
7/18/2012 0.00
7/19/2012 T
7/20/2012 T
7/21/2012 0.00
7/22/2012 0.00
7/23/2012 0.01
7/24/2012 0.02
7/25/2012 0.00
7/26/2012 0.00
7/27/2012 0.00
7/28/2012
7/29/2012 0.00
7/30/2012 0.00
7/31/2012 0.00
8/1/2012 0.00
8/2/2012 0.00
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 T
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 0.00
8/12/2012 0.00
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 T
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.00
8/22/2012 0.00
8/23/2012 0.00
8/24/2012 0.00
8/25/2012 0.00
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 0.00
9/3/2012 0.00
9/4/2012 0.00
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 T
9/8/2012 0.00
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.00
9/13/2012
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.00
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 0.00
9/26/2012
9/27/2012
9/28/2012
9/29/2012 0.00
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M 10/10 ocast, 15° cooler (55°)this morning.
10/2/2011 6:00 AM 0.00 0.0 M M M
10/3/2011 7:00 AM 0.00 0.0 M M M Storm front just halfway across the valley. We should have a chance of rain this afternoon.
10/4/2011 7:00 AM 0.00 0.0 M M M Frontal system fell apart before here :-(
10/5/2011 7:00 AM 1.56 M M M M 10/10 ocast w/lt. sprinkles. A wild night with heavy rain and strong winds, gusting to 40K. First measurable rain since June. We are now ahead of the seasonal average.
10/6/2011 7:00 AM 0.40 M M M M 10/10 ocast in lt rain. Quite cold (40°) this AM, probably snowing at 3000ft.
10/7/2011 7:00 AM 0.27 M M M M A good start to the rain season (2.22 in.)
10/8/2011 6:00 AM 0.00 0.0 M M M
10/9/2011 6:00 AM 0.00 0.0 M M M
10/10/2011 7:00 AM 0.00 0.0 M M M 10/10 ocast, lots of rain on the radar up north. Probably a 50/50 chance it will get this far south.
10/11/2011 7:00 AM 1.46 M M M M At 0700 the storm appeared to be tracking to the north of us. Around 0830, it veered to the south and gave us a good drenching.
10/12/2011 6:00 AM 0.00 0.0 M M M Fantastic full moon this morning.
10/13/2011 6:00 AM 0.00 0.0 M M M
10/14/2011 7:00 AM 0.00 0.0 M M M Severe clear this AM.
10/15/2011 6:00 AM 0.00 0.0 M M M Large halo around the moon this AM.
10/16/2011 7:00 AM 0.00 0.0 M M M
10/17/2011 7:00 AM 0.00 0.0 M M M A bit cooler this AM, visibility (10+ mi.) remains quite good.
10/18/2011 7:00 AM 0.00 0.0 M M M A few cirrustratus in the distant south east this AM.
10/19/2011 7:00 AM 0.00 0.0 M M M 2/10 puffy stratus to the SE.
10/20/2011 7:00 AM 0.00 0.0 M M M A beautiful alpenglow morning with half a moon directly overhead.
10/21/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 53°, 24 hour high temp 73°, wind E@7K, bar 30.12.
10/22/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 73°, 24 hour high temp 73°, wind E@7K, bar 30.12.
10/23/2011 7:00 AM 0.00 0.0 M M M Skys; a few wispy cirrustratus, vis >10 mi, temp 60°, 24 hour high temp 76°, wind E@7K, bar 30.04.
10/24/2011 7:00 AM 0.00 0.0 M M M Crescent moon visable through thin cirrus, temp 59°, 24 hour high temp 77°, vis >10mi, wind E@8K, bar 29.97.
10/25/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 52°, 24 hour high temp 73°, wind L/V, bar 30.01.
10/26/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 42°, 24 hour high temp 69°, wind L/V, bar 30.08R. Time to pull the tomatos.
10/27/2011 7:00 AM 0.00 0.0 M M M 1/10 cirrustratus in southern quadrant, vis >10 mi, temp 48°, 24 hour temp 68°, wind E@7K, bar 30.07.
10/28/2011 7:00 AM 0.00 0.0 M M M
10/29/2011 7:00 AM 0.00 0.0 M M M
10/30/2011 7:00 AM 0.00 0.0 M M M
10/31/2011 7:00 AM 0.00 0.0 M M M Clear and cool. Jupiter very bright in the western sky.
11/1/2011 7:00 AM 0.00 0.0 M M M Skys clear, temp 46°, 24 hour high temp 73°, wind NE@10K gusts to 15K, vis >15mi.
11/2/2011 7:00 AM 0.00 0.0 M M M 4/10 cirrustratus, vis >10 mi, temp 41°, 24 hour high temp 68°, wind L/V, bar 30.14. Red skys this morning.
11/3/2011 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 40°, 24 hour high temp 67°, wind SE@10K, bar 29.99F. First band of rain into the NW coast with very cold temps behind the showers.
11/4/2011 7:00 AM 0.20 M M M M Skys mostly clear, vis 9 mi, temp 36°, 24 hour high temp 68°, wind L/V, bar 29.80S. 1st trace of rain at 1400, turning to steady lt rain at 1600.
11/5/2011 7:00 AM 0.00 0.0 M M M 6/10 cirrustratus, vis 10 mi, temp 33°, 24 hour high temp 57°, wind L/V, bar 29.93.
11/6/2011 7:00 AM 0.74 M M M M 10/10 ocast in lt rain, vis 7 mi, temp 35°, 24 hour high temp 47°, wind L/V, bar 29.96R.
11/7/2011 7:00 AM 0.06 M M M M Skys clear, vis 10 mi, temp 32°, 24 hour high temp 46° wind L/V. Very heavy frost this AM.
11/8/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis 10 mi, temp 33°, 24 hour high temp 52°, wind L/V, bar 30.29. Very heavy frost again this AM.
11/9/2011 7:00 AM 0.00 0.0 M M M Mixed cloud cover 6/10 ocast, vis >10 mi, temp 35°, 24 hour high temp 52°, wind L/V, bar 30.29. Moderate frost this AM.
11/10/2011 7:00 AM 0.00 0.0 M M M Skys clear, temp 43°, 24 hour high temp 53°, vis >10 mi, wind L/V, bar 30.19F. No frost this AM.
11/11/2011 7:00 AM 0.00 0.0 M M M 6/10 stratus, vis 10 mi, temp 48°, 24 hour high temp 57°, wind SW@7K, bar 29.86. Perhaps some rain late today.
11/12/2011 7:00 AM 0.19 M M M M 9/10 stratus, vis 6 mi, temp 46°, 24 hour high temp 66°, wind L/V, bar 29.85. Steady lt rain on and off through out the period.
11/13/2011 7:00 AM 0.00 0.0 M M M 10/10 thin cirrustratus, vis 10 mi, temp 39°, 24 hour high temp 53°, wind L/V, bar 30.01.
11/14/2011 7:00 AM 0.00 0.0 M M M Low stratus clouds in all directions but clear overhead. Temp 46°, 24 hour high temp 53°, vis 10 mi, wind L/V, bar 29.99.
11/15/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis 10 mi, temp 36°, DP33°, 24 hour high temp 58°, HUM 88%, wind L/V, bar 30.17.
11/16/2011 7:00 AM 0.00 0.0 M M M 6/10 lt cirrustratus, vis 10 mi, temp 37°, 24 hour high temp 59°, 24 hour high temp 59°, wind L/V, RH 88%, DP 34°, bar 30.22.
11/17/2011 7:00 AM 0.00 0.0 M M M Stratus cloud in the north quadrant, vis 10 mi, temp 39°, 24 hour high temp 57°, wind SE@7K, dew point 36°, RH 87%, bar 30.19.
11/18/2011 7:00 AM 0.00 0.0 M M M 10/10 ocast, vis 10 mi, temp 40°, 24 hour high temp 61°, wind SW@7K, RH 82%, DP 35°, bar 29.96.
11/19/2011 7:00 AM 0.26 M M M M Skys mostly clear, vis 10 mi, temp 35°, 24 hour high 59°, RH 86%, DP31°, bar 29.97.
11/20/2011 7:00 AM 0.28 M M M M 10/10 ocast, vis 6 mi. in lt rain, temp 37°, 24 hr high 45°, wind SW@6 w/gusts to 10, DP34°, RH 90%, bar 29.84.
11/21/2011 7:00 AM 0.10 M M M M 9/10 broken stratus @ 4,000ft, vis 10 mi, temp 32°, 24 hour high temp 44°, wind L/V, bar 30.21. On and off light showers till 1400.
11/22/2011 7:00 AM 0.00 0.0 M M M 10/10 ocast @6,000ft, vis 10 mi, temp 43°, 24 hour high temp 49°, wind SE@6K, RH 71%, DP 35°, bar 30.30.
11/23/2011 7:00 AM 0.00 0.0 M M M Broken bands of cirrustratus, vis 10 mi, temp 38°, 24 hour high temp 51°, wind L/V, DP32°, RH 86%, bar 30.03.
11/24/2011 7:00 AM T M M M M 10/10 ocast in lt rain, vis 7 mi, temp 43°, 24 hour high temp 54°, wind L/V, RH 86%, DP34°, bar 30.00. Rain started at 0655.
11/25/2011 7:00 AM 0.21 M M M M Skys clear, vis >10 mi, temp 38°, 24 hour high 47°, wind L/V, DP 34°, RH 89%, bar 30.32. Lt. on and off drizzle til 1500.
11/26/2011 7:00 AM 0.00 0.0 M M M Mix of cirrus & contrails, vis >10 mi, temp 36°, 24 hour high temp 49°, wind L/V, DP 32°, RH 87%, bar 30.42.
11/27/2011 7:00 AM 0.00 0.0 M M M Thin multi level stratus, vis 10 mi, temp 40°, 24 hour high 61°, wind L/V, RH 77%, DP 33°, bar 30.39.
11/28/2011 7:00 AM 0.00 0.0 M M M 10/10 ocast, vis 10 mi, temp 42°, 24 hour high 63°, wind L/V, RH 72%, DP 34°, bar 30.29.
11/29/2011 7:00 AM 0.00 0.0 M M M Severe clear, vis >10 mi, temp 41°, 24 hour high 64°, winds L/V, RH 79%, DP 29°, bar 30.26.
11/30/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 40°, 24 hour high 65°, wind L/V, DP 29°, RH 84%, bar 30.20.
12/1/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 45°, 24 hour high 58°, wind NE@12K/gusts to 20K, RH 25%, DP 19°, bar 30.26. Wind event started yesterday at 0930 and will continue through most of today.
12/2/2011 7:00 AM 0.00 0.0 M M M 4/10 stratus, vis 10 mi, temp 46°, 24 hour high 57°, wind L/V, RH 27%, DP 14°, bar 30.05. Stratus cloud provided a spectacular sunrise.
12/3/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 39°, 24 hour high 65°, Wind NE@6K w/gusts to 10K, RH 26%, DP 7°, bar 30.14.
12/4/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 32°, 24 hour high 58°, wind L/V, RH 64%, DP 18°, bar 30.31. Starting to fall way behind in total rainfall.
12/5/2011 7:00 AM 0.00 0.0 M M M 4/10 cirrustratus, vis >10 mi, temp 30°, 24 hour high 54°, wind L/V, DP 18°, RH 61%, bar 30.28. Another spectacular sunrise!!!
12/6/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 29°, 24 hour high 52°, wind N@2K,RH 67%, DP 19°, bar 30.34. Lt. frost this AM. Golf tee times delayed till 9:30.
12/7/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 32°, 24 hour high 58°, wind L/V, RH 75%, DP 23°, bar 30.35.
12/8/2011 7:00 AM 0.00 0.0 M M M Mostly clear, vis >10 mi, temp 31°, 24 hour high 52°, wind L/V, DP 26°, RH 81%, bar 30.19. Another frost delay for golf this AM.
12/9/2011 7:00 AM 0.00 0.0 M M M Severe clear, vis >10 mi, temp 30°, 24 hour high 54°, wind L/V, RH 75%, DP 22°, bar 30.27. Lt. frost this AM.
12/10/2011 7:00 AM 0.00 0.0 M M M 4/10 thin cirrustratus, vis >10 mi, temp 30°, 24 hour high 57°, RH 71%, DP 21°, bar 30.22.
12/11/2011 7:00 AM 0.00 0.0 M M M 4/10 stratus, vis >10 mi, temp 30°, 24 hour high 60°, wind L/V, DP 21°, RH 72%, bar 29.95. Partial eclipse of the moon could be seen from this station yesterday.
12/12/2011 7:00 AM 0.00 0.0 M M M 8/10 cirrustratus, vis >10 mi, temp 32°, 24 hour high 58°, wind L/V, RH 85%, DP 26°, bar 29.81. No real rain for a month. La Nina really hurting us.
12/13/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 28°, 24 hour high 51° wind L/V, DP 20°, RH 78%, bar 30.01. Moderate frost this AM.
12/14/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 28°, 24 hour high 49°, wind L/V, RH 83%, DP 21°, bar 30.26. Heavy frost this AM.
12/15/2011 7:00 AM 0.08 M M M M 10/10 ocast, vis 7 mi, temp 36°, 24 hour high 51°, wind L/V, RH 85%, DP 31°, bar 30.24. 1st rain in 3+ weeks.
12/16/2011 7:00 AM 0.01 M M M M Skys mostly clear, vis >10 mi, temp 40°, 24 hour high 48°, wind L/V, RH 62%, DP 27°, bar 30.27.
12/17/2011 7:00 AM 0.00 0.0 M M M Skys mostly clear (a few thin cirrus in the S. quadrant), vis >10 mi, temp 33°, 24 hour high 55°, wind L/V, DP21°, RH 66%, bar 30.16.
12/18/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 31°, 24 hour high 62°, wind L/V, DP 25°, RH 85%, bar 30.18. Moderate frost this AM.
12/19/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 32°, 24 hour high 58°, wind L/V, DP 27°, RH 86%, bar 30.08. Moderate frost again this AM.
12/20/2011 7:00 AM 0.00 0.0 M M M 4/10 thin cirrustratus, vis >10 mi, temp 37°, 24 hour high 55° wind L/V, DP 17°, RH47%, bar 30.09.
12/21/2011 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 32°, 24 hour high 53°, wind L/V, DP 25°, RH 80%, bar 30.10.
12/22/2011 7:00 AM 0.00 0.0 M M M
12/23/2011 7:00 AM 0.00 0.0 M M M 3/10 cirrustratus in the east, vis >10 mi, temp 30°, 24 hour high 56°, eind L/V, RH 42%, DP 8°, bar 30.54. Another spectacular sunrise this AM.
12/24/2011 7:00 AM 0.00 0.0 M M M
12/25/2011 7:00 AM 0.00 0.0 M M M
12/26/2011 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 31°, 24 hour high 59°, wind SE@4K-5K, RH 57%, DP 16°, bar 30.29.
12/27/2011 7:00 AM 0.00 0.0 M M M Skys Clear, vis >10 mi, temp 32°, 24 hour high 61°, wind L/V, DP 20°, RH 68%, bar 30.35. Barometer tells it all. All rain going north of us.
12/28/2011 7:00 AM 0.00 0.0 M M M
12/29/2011 7:00 AM 0.00 0.0 M M M 3/10 stratus in the SE, vis >10 mi, temp 40°, 24 hour high 58°, RH 83%, DP 34°, bar 30.20F. Good chance of some rain before midnight.
12/30/2011 7:00 AM T M M M M 10/10 ocast, vis 2 mi, temp 49°, 24 hour high 60°, wind S@5K, DP 40°, RH 85%, bar 30.12F.
12/31/2011 7:00 AM 0.06 M M M M Skys clearing, vis >10 mi, temp 38°, 24 hour high 52°, wind L/V, RH 89%, DP 43°, bar 30.19. Rain fell as light drizzle most of the day.
1/1/2012 7:00 AM 0.00 0.0 M M M
1/2/2012 7:00 AM 0.00 0.0 M M M 7/10 thin stratus, vis >10 mi, temp 51°, 24 hour high 66°, wind L/V, RH 33%, DP 22°, bar 30.22. Very balmy with another beautiful sunrise.
1/3/2012 7:00 AM T M M M M A few stratus passing through, vis >10 mi, temp 38°, 24 hour high 68°, wind L/V, DP 25°, RH 64%, bar 30.33.
1/4/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 40°, 24 hour high 60°, wind L/V, DP 28°, RH 67%, bar 30.36.
1/5/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 40°, 24 hour high 68°, wind L/V, RH 68%, DP 27°, bar 30.28.
1/6/2012 7:00 AM 0.00 0.0 M M M A few wispy cirrus, vis >10 mi, temp 38°, 24 hour high 66°,wind L/V, RH 81%, DP 28°, bar 30.12. Looking to be 10° cooler today.
1/7/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 45°, 24 hour high 58°, wind NE@6K w/ gusts to 12K, DP 24°, RH 43%, bar 30.19.
1/8/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 40°, 24 hour high 60°, winds L/V, RH 47%, DP 15°, bar 30.21.
1/9/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 36°, 24 hour high 60°, wind L/V, RH 77%, DP 26°, bar 30.27. Barometer has been rising for 4 days.
1/10/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 38°, 24 hour high 59° wind L/V, RH 65%, DP 23°, bar 30.18.
1/11/2012 7:00 AM 0.00 0.0 M M M Skys Clear, vis >10 mi, temp 40°, 24 hour high 62°, wind L/V, RH 58%, DP 21°, bar 30.12.
1/12/2012 7:00 AM 0.00 0.0 M M M Severe clear, vis >10 mi, temp 36°, 24 hour high 63°, wind L/V, RH73%, DP 24°, bar 30.11. Still no rain in sight.
1/13/2012 7:00 AM 0.00 0.0 M M M Skys clear with a few "red eye" contrails heading west, vis >10 mi, temp 38°, 24 hour high 61°, wind L/V, RH 64%, DP 24°, bar 30.24.
1/14/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 35°, 24 hour high 60°, wind L/V, RH 57%, DP 21°, bar 30.21F. Rain on the way for next week.
1/15/2012 7:00 AM 0.00 0.0 M M M 4/10 stratus, vis >10 mi, temp 44°, 24 hour high 66°, wind SW@5 gusts to 10, RH 37%, DP 19°, bar 30.02F. Barometer has been slowly falling for 3 days.
1/16/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 25°, 24 hour high 55°, wind L/V, RH 84%, DP 19°, bar 30.17. Very heavy frost this AM.
1/17/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 23°, 24 hour high 45°, wind L/V, DP 14°, RH 76%, bar 30.37. Brrrrr.
1/18/2012 7:00 AM 0.00 0.0 M M M 4/10 strarus, vis >10 mi, temp 37°, 24 hour high 43°, wind SE@4K, RH 2%, DP 10°, bar 30.37.
1/19/2012 7:00 AM 0.00 0.0 M M M 10/10 ocast, vis 9 mi, temp 42°, 24 hour high 45°, wind SE@4K, RH 35%, DP 15°, bar 30.17F. Red Skys this morning golfers take warning.
1/20/2012 7:00 AM 0.51 M M M M 900 ft. ocast, vis 2.5 mi, temp 44°, 24 hour high 44°, wind SSE@5mi, RH 89%, DP42°, bar 30.05. First precip in over 30 days.
1/21/2012 7:00 AM 4.12 0.0 M M M 800' ocast, vis 5 mi, temp 42°, 24 hour high 46°, wind W@5K gusts to 12K, DP 38°, RH 89%, bar 29.70. 24 hour total is within .5 inch of a record.
1/22/2012 7:00 AM 0.02 M M M M 11,000ft ocast, vis 10 mi, temp 38°, 24 hour high 48°, wind L/V, RH 78%, DP 31°, bar 30.17. More rain to come.
1/23/2012 7:00 AM 1.42 M M M M 2500 ft ocast in lt rain, vis 5 mi, temp 44°, 24 hour high 44°, wind S@6K with gusts to 10K, RH 94%, DP 41°, bar 29.70.
1/24/2012 7:00 AM 0.86 M M M M Skys mostly clear, vis >10 mi, temp 38°, 24 hour high 43°, wind SW@4K, RH 92%, DP 33°, bar 30.27. Had 6.97 inches from the 5 day event.
1/25/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis 9 mi, temp 40°, 24 hour high 50°, wind L/V, DP 38°, RH 96%, bar 30.42.
1/26/2012 7:00 AM 0.01 M M M M 1300 ft ocast, vis 8 mi, temp 48°, 24 hour high 61°, wind L/V, Rh 97%, DP 44°, bar 30.31. Wierd!! I had precip in my gauge this AM and don't know where it came from.
1/27/2012 7:00 AM 0.15 M M M M Skys clear, vis >10 mi, temp 40°, 24 hour high 54° wind NW@4K, DP 29°, RH 74%, bar 30.23. Fine misty drizzle for abour 6 hours. Cycling to dry for the next 7 days.
1/28/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 36°, 24 hour high 61°, wind L/V, RH 69%, DP 20°, bar 30.33.
1/29/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 40°, 24 hour high 62°, wind L/V, DP 29°, RH 79%, bar 30.29.
1/30/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis 10 mi, temp 39°, 24 hour high 63° wind L/V, RH 70%, DP 27°, bar 30.06.
1/31/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 37°, 24 hour high 62°, wind L/V, RH 85%, DP 28°, bar 30.10.
2/1/2012 7:00 AM 0.16 0.0 M M M 1300 ft ocast, vis 3 mi, temp 41°, 24 hour high 58°, wind NE@ 3K w/ gusts to 6K, RH 91%, DP 39°, bar 30.17. Light drizzle at obs. time.
2/2/2012 7:00 AM 0.04 0.0 M M M Skys clear, vis >10 mi, temp 33°, 24 hour high 58°, wind L/V, DP 25°, RH 79%, bar 30.17. Light frost this AM.
2/3/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 35°, 24 hour high 59°, wind L/V, RH 84%, DP 26° bar 30.06. Heavy frost this AM.
2/4/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 36°, 24 hour high 58°, wind L/V, RH 75%, DP 25°, bar 30.13.
2/5/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 33°, 24 hour high 62°, wind L/V, DP 24° RH 75%, bar 30.14.
2/6/2012 7:00 AM 0.00 0.0 M M M 3/10 cirrustratus, vis >10 mi, temp 40°, 24 hour high 61°, wind L/V, DP 23°, RH 55%, bar 30.11. Nice pink sunrise this AM.
2/7/2012 7:00 AM 0.02 M M M M 10/10 ocast, vis 8 mi, temp 48° 24 hour high 61°, wind S@4K w/ gust to 8K, RH 62%, DP 35°, bar 29.86F. Monsoonal flow should bring us significant rain today.
2/8/2012 7:00 AM 0.11 M M M M 5/10 broken stratus, vis >10 mi, temp 40°, 24 hour high 52°, wind L/V, RH 88%, DP 33°, bar 30.19R. Very meager rainfall yesterday.
2/9/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis 10 mi, temp 44°, 24 hour high 62°, wind L/V, RH 78%, DP 36°, bar 30.28.
2/10/2012 6:00 AM 0.00 0.0 M M M
2/11/2012 7:00 AM 0.06 M M M M 1,300' ocast, vis 10 mi, temp 40°, 24 hour high 58°, wind L/V, DP 37°, RH 88%, bar 30.00F.
2/12/2012 7:00 AM 0.01 M M M M Skys clear, vis 8 mi with patchy ground fog, temp 37°, 24 hour high 53°, wind L/V, DP 33°, RH 93%, bar 30.00. Light misting between 0900 and 1200 yesterday.
2/13/2012 7:00 AM 0.99 0.3 0.08 0.3 0.08 10/10 ocast, vis 1 mi in lt rain, temp 34°, 24 hour high 52°, wind L/V, DP 32°, RH 99%, bar 29.82F. Snow is melting on streets.
2/14/2012 7:00 AM 0.04 M M M M Partly cloudy, vis 10 mi, temp 32°, 24 hour high 52°, wind L/V, DP 27°, RH 87%, bar 29.99. Heavy frost this AM.
2/15/2012 7:00 AM 0.09 0.1 0.01 M M Skys clear vis >10 mi, temp 33°, 24 hour high 53°, wind SE@9K w/gusts to 15K, RH 55%, DP 21°, bar 30.01. Found 1/10" of corn snow on the deck this AM, a big surprise.
2/16/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 31°, 24 hour high 51°, wind L/V, RH 71%, DP 20°, bar 30.26.
2/17/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis >10 mi, temp 36°, 24 hour high 53°, wind L/V, DP 26°, RH 77%, bar 30.26.
2/18/2012 7:00 AM 0.00 0.0 M M M 4,000 ft ocast, vis 10 mi, temp 43°, 24 hour high 60°, wind L/V, RH 76%, DP 34°, bar 30.15F.
2/19/2012 7:00 AM 0.00 0.0 M M M High thin ocast, vis >10 mi, temp 31°, 24 hour high 55°, wind L/V, DP 23°, RH 76%, bar 30.09. Fantastic red sunrise this AM.
2/20/2012 7:00 AM 0.01 M M M M 10/10 ocast, vis 10 mi, temp 38°, 24 hour high 52°, wind L/V, RH 78%, DP 32°, bar 30.15.
2/21/2012 7:00 AM 0.00 0.0 M M M 10/10 high thin ocast, vis 10 mi, temp 44°, 24 hour high 51°, wind NE@ 5K, RH 63%, DP 33°, bar 30.27.
2/22/2012 7:00 AM 0.00 0.0 M M M 9/10 thin stratus @ 7,000ft., vis 10 mi, temp 49°, 24 hour high 63°, wind L/V, DP 33°, RH 67%, bar 30.25.
2/23/2012 7:00 AM 0.00 0.0 M M M
2/24/2012 7:00 AM 0.00 0.0 M M M More spring weather.
2/25/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 35°, 24 hour high 67°, wind L/V, DP 29°, RH 83%, bar 30.20.
2/26/2012 7:00 AM 0.00 0.0 M M M Mostly clear, vis 10 mi, temp 29°, 24 hour high 54°, wind L/V, RH 60%, DP 15°, bar 30.03F.
2/27/2012 7:00 AM 0.00 0.0 M M M 3,800 ft. ocast, vis 10 mi, temp 31°, 24 hour high 55°, wind L/V, RH 71%, RH 71%, bar 29.82. Lots of cloud but no rain, zip, zed, zero, nada.
2/28/2012 7:00 AM T M M M M 8/10 stratus, vis 10 mi, temp 31°, 24 hour high 49°, wind L/V, DP 27°, RH 75%, bar 30.11. Very heavy frost this AM. Light misting around 1000 and again at 1530.
2/29/2012 7:00 AM 1.15 1.9 0.81 1.9 0.81 10/10 ocast, vis 3 mi in snow showers, temp 33° 24 hour high 49°, wind S@5K G 12K, RH 88%, DP 30°, bar 30.07. Had .34 in. before very heavy wet snow started to stick.
3/1/2012 7:00 AM 0.77 0.0 0.00 0.9 0.25 10/10 ocast, vis 2 mi in snow showers, temp 34°, 24 hour high 37°, wind S@5K g 11K, RH 89%, DP 31°, bar 30.17. Snow fell off and on during the 24 hour period but did not stick.
3/2/2012 7:00 AM 0.82 M M 0.9 0.24 Skys clear, vis >10 mi, temp 31°, 24 hour high 38°, wind L/V, DP 22°, RH 81%, bar 30.31. On & off snow showers from 0700 to 1530.
3/3/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 33°, 24 hour high 41°, wind L/V, DP 27°, RH 87%, bar 30.38. Most of snow gone except for patches in shaded areas.
3/4/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 36°, 24 hour high 64°, wind L/V, DP 30°, RH 82%, bar 30.24.
3/5/2012 7:00 AM 0.00 0.0 M M M Skys mostly clear, vis 10 mi, temp 42°, 24 hour high 68°, wind L/V, DP 30°, RH 71%, bar 30.06.
3/6/2012 7:00 AM 0.06 0.1 0.03 0.1 0.03 9/10 broken stratus, vis 5 mi, temp 34°, 24 hour high 68°, wind L/V, DP30°, RH 84%, bar 29.76. Rain strated at 0400 and turned to snow at 0630. Now a bit of blue sky showing.
3/7/2012 7:00 AM 0.04 M M M M Skys clear, vis >10 mi, temp 29°, 24 hour high 59°, wind L/V, RH41%, DP 7°, bar 30.09. Precip total came from 2 snow showers (1100 & 1430) that melted on contact.
3/8/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 32°, 24 hour high 58°, wind L/V, RH 69%, DP 21°, bar 30.29.
3/9/2012 7:00 AM 0.00 0.0 M M M Skys clear vis >10 mi temp 41°, 24 hour high 64°, wind L/V, DP 26°, RH 72%, bar 30.35.
3/10/2012 7:00 AM 0.00 0.0 M M M 4/10 stratus, vis >10 mi, temp 42°, 24 hour high 64°, wind L/V, DP 28°, RH 66%, bar 30.02F.
3/11/2012 7:00 AM 0.06 M M M M 10/10 ocast, vis 6 mi. in lt rain, temp 42°, 24 hour high 63°, wind SE@4K w/gst to 6K, DP 36°, RH 81%, bar 29.93. We sprang ahead back to winter.
3/12/2012 7:00 AM 0.07 M M M M 9/10 ocast, vis 10 mi, temp 39°, 24 hour high 62°, wind SE@3K, RH 67%, DP 29°, bar 30.00. Smells like rain.
3/13/2012 7:00 AM 0.28 M M M M 10/10 ocast, vis 5 mi in rain, temp 40°, 24 hour high 50°, wind SW@8K w/gusts to 17K, RH 87%, DP 39°, bar 29.88. Rain and wind began around 0230.
3/14/2012 4:00 AM 3.13 M M M M 10/10 ocast, vis 2.5 mi in rain, wind SE@6K G15K, temp 45°, bar 29.98. Precip. total is for 21 hours due to early departure. The "March miracle" lives again!!
3/15/2012 7:00 AM 1.53 M M M M
3/16/2012 7:00 AM 1.98 M M M M
3/17/2012 7:00 AM 2.89 M M M M
3/18/2012 7:00 AM 0.61 M M M M
3/19/2012 7:00 AM 0.91 0.5 0.13 M M
3/21/2012 7:00 AM 0.00 0.0 M M M Thin ocast, temp 46*
3/22/2012 7:00 AM 0.00 0.0 M M M
3/24/2012 7:00 AM 0.00 0.0 M M M
3/25/2012 7:00 AM 0.33 0.2 0.07 0.2 0.07 10/10 ocast, vis 3 mi in snow showers, temp 32°, 24 hour high 51°, wind SE@4 G to 7, bar 29.81F. Snow began to stick just before 0700.
3/26/2012 7:00 AM 0.17 M M M M 10/10 ocast, vis 8 mi, temp 38°, 24 hour high 49°, wind SE@5 G15, DP 35°, RH 88%, bar 29.99.
3/27/2012 7:00 AM 0.02 M M M M 10/10 ocast, vis 8 mi, temp 42°, 24 hour high 48°, wind SE@5 G/10, RH 77%, DP 36°, bar 29.99. Rain event crossing I-5 in the valley (about 3 hours away).
3/28/2012 7:00 AM 1.79 M M M M 10/10 ocast, vis 6 mi in lt rain, temp 43°, 24 hour high 48°, wind var SW to SE @ 7 w/g to 20, RH 89%, DP 41°, bar 29.98. Very blustery night.
3/29/2012 7:00 AM 0.28 M M M M 10/10 ocast, vis 7 mi, temp 42°, 24 hour high 48°, wind L/V, RH 88%, DP 36°, bar 30.11.
3/30/2012 7:00 AM 0.31 M M M M
3/31/2012 7:00 AM 0.02 M M M M 10/10 ocast, vis 6 mi in lt. rain, temp 43°, 24 hour high 54°, wind L/V, bar 29.79. 24 days of rain in March gave us 18.65 inches. Not a record but a pretty good "catch up" month.
4/1/2012 7:00 AM 1.20 M M M M 10/10 ocast, vis 6 mi, temp 38°, 24 hour high 50°, wind SW@4 G 8, bar 30.10. Good start for April but average rainfall (4") will not be enough.
4/2/2012 7:00 AM T M M M M Partial thin ocast, vis 10 mi, temp 36°, 24 hour high 51°, wind L/V, RH 88%, DP 30° bar 30.16R.
4/3/2012 7:00 AM 0.00 0.0 M M M Thin ocast, vis >10 mi, temp 44°, 24 hour high 60°, wind SE@4, bar 30.05.
4/4/2012 7:00 AM 0.75 M M M M Skys clear, vis >10 mi, temp 34°, 24 hour high 61°, wind L/V, RH 76%, DP 30°, bar 30.05R. Quick moving front went by around midnight.
4/5/2012 7:00 AM 0.00 0.0 M M M Mostly clear, vis >10 mi, temp 30°, 24 hour high 49°, wind L/V, DP 24°, RH 75%, bar 30.05. 2nd. day of heavy frost in the morning.
4/6/2012 7:00 AM 0.04 0.1 0.02 0.1 0.02 Skys clear, vis >10 mi, temp 28°, 24 hour high 48°, wind L/V, bar 30.24. Strange weather. At 1630, puffy little cu began to dump light snow at this station. This morning we had a mix of snow and frost on everything.
4/7/2012 7:00 AM 0.00 0.0 M M M Thin cirrustratus overhead, vis 10 mi, temp 35°, 24 hour high 47°, wind L/V, RH 76%, DP 26°, bar 30.15. Much warmer this AM.
4/8/2012 7:00 AM 0.00 0.0 M M M
4/9/2012 7:00 AM 0.00 0.0 M M M
4/10/2012 7:00 AM 0.00 0.0 M M M Rain seems to be heading north through the valley and missing this station.
4/11/2012 7:00 AM 0.36 M M M M 10/10 ocast, vis 6 mi in lt. rain, wind SE@4, bar 29.77. Rain finally arrived around 0300. Yesterdays rain pattern very unusual. Running North along I-5 all day to the Mt. Shasta area instead of moving east into the Sierra foothills.
4/12/2012 7:00 AM 1.27 M M M M 10/10 ocast, vis 2.5 mi in rain, temp 39°, 24 hour high 53°, wind SW@8 G/12, bar 30.00. Nearing the April total of 4" in just 12 days.
4/13/2012 7:00 AM 3.18 0.6 0.11 0.6 0.11 10/10 ocast, vis 3 mi in snow showers, temp 32°,H 48°, wind SE@5 G/10, bar 29.72. Rain turned to Silver dollar size flakes at 0600. Todays total sets a record for this date.
4/14/2012 7:00 AM 0.28 M M M M 10/10 thin ocast, vis 3 mi in lt. grnd fog, temp 37°, H 45°, wind L/V, bar 29.92.
4/15/2012 7:00 AM 0.00 0.0 M M M
4/16/2012 7:00 AM 0.00 0.0 M M M 8/10 patchy ocast, vis 10 mi, temp 46°, H 66°, wind L/V, bar 30.18. Ahhh spring at last.
4/17/2012 7:00 AM 0.00 0.0 M M M
4/18/2012 6:50 AM 0.00 0.0 M M M
4/19/2012 7:00 AM 0.00 0.0 M M M
4/20/2012 7:00 AM 0.00 0.0 M M M 72° yesterday. Could hit 80° today. No precip in the near future.
4/21/2012 7:00 AM 0.00 0.0 M M M Another 80° day.
4/22/2012 7:00 AM 0.00 0.0 M M M
4/23/2012 6:30 AM 0.00 0.0 M M M
4/24/2012 7:00 AM 0.00 0.0 M M M 10/10 low stratus, vis 4 mi in haze, temp 50°, h 72°, wind NE@4 g/8, bar 29.97. Smells like rain but I don't think so.
4/25/2012 7:00 AM 0.00 0.0 M M M 10/10 ocast, vis 8 mi, temp 55°, H 72°, wind L/V, bar 29.89. Monsoonal flow moving up the valley will bring rain just in time to spoil my golf game.
4/26/2012 7:00 AM 1.23 M M M M 10/10 ocast, vis 3 mi in lt. rain, temp 49°, H 58°, wind L/V, bar 29.75. 1st wave started at 0945 and lasted about 4 hours. 2nd wave started at 1800.
4/27/2012 7:00 AM 0.17 M M M M Skys clear, vis >10 mi, temp 38°, H 53°, wind L/V, bar 30.16. Moderate frost this AM. Setting up for at least a week of dry weather.
4/28/2012 6:00 AM 0.00 0.0 M M M
4/29/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 48°, H 71°, wind L/V, bar 29.84. Two weeks till safe tomato planting.
4/30/2012 7:00 AM 0.00 0.0 M M M Scattered stratus, vis >10 mi, temp 55° H 76°, wind L/V, bar 29.88.
5/1/2012 7:00 AM 0.00 0.0 M M M
5/2/2012 6:00 AM 0.00 0.0 M M M
5/3/2012 7:00 AM 0.00 0.0 M M M 10/10 ocast, vis 10 mi, temp 50°, H 66°, wind SW@5 G12, bar 29.88. Blustery day with a chance of rain later.
5/4/2012 7:00 AM 0.15 M M M M 10/10 ocast, vis 3/4 mi in low stratus cloud, temp 49° H 62°, wind L/V, bar 30.06. More like Newport Beach than Grass Valley this morning.
5/5/2012 7:00 AM 0.01 M M M M Skys clear, vis >10 mi, temp 41°, H 53°, wind L/V, bar 30.16. Clear WX for the next week.
5/6/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 56°, H 72°, wind NE@5 G 10, bar 30.02.
5/7/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 58°, H 79°, wind L/V, bar 29.97.
5/8/2012 7:00 AM 0.00 0.0 M M M
5/9/2012 6:00 AM 0.00 0.0 M M M Another perfect golfing day.
5/10/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 54°, H 81°, wind L/V, bar 29.80.
5/11/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 58°, H 81°, wind L/V, bar 29.84.
5/12/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 59°, H 82°, wind L/V, bar 29.96.
5/13/2012 7:00 AM 0.00 0.0 M M M
5/14/2012 7:00 AM 0.00 0.0 M M M A few puffy stratus from the bay area, vis >10 mi, temp 50°, H 83°, wind SW@5, bar 29.97. Big overnight delta breeze dropped temps by 11° this morning.
5/15/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis 9 mi, temp 58°, H 68°, wind L/V, bar 29.98.
5/16/2012 6:00 AM 0.00 0.0 M M M
5/17/2012 5:50 AM 0.00 0.0 M M M
5/18/2012 6:00 AM 0.00 0.0 M M M
5/19/2012 6:00 AM 0.00 0.0 M M M Another crummy day in paradise.
5/20/2012 7:00 AM 0.00 0.0 M M M
5/21/2012 7:00 AM 0.00 0.0 M M M Skys partly cloudy, vis >10 mi, temp 63°, H 82°, wind L/V, bar 29.98. Cycling into a cooler week.
5/22/2012 7:00 AM 0.00 0.0 M M M
5/23/2012 6:00 AM 0.00 0.0 M M M Much cooler tomorrow, cover the tomatoes.
5/24/2012 7:00 AM 0.00 0.0 M M M
5/25/2012 7:00 AM 0.00 0.0 M M M Partly cloudy, vis 10 mi, temp 40°, H 73°, wind SE@5 gusts 12, bar 29.61. Drop in barometer means good chance of thundershowers today.
5/26/2012 7:00 AM 0.02 M M M M Partly cloudy, vis 10 mi, temp 44°, H 58°, wind L/V, bar 29.83. Enough rain to knock the pollen down.
5/27/2012 7:00 AM 0.17 M M M M Skys clear, Vis 10 mi, temp 41°, wind L/V, bar 30.10. Very interesting formation of rain showers along the western slope of the Sierras moved south at the 3000 ft level like a long train. We were on the western edge.
5/28/2012 7:00 AM 0.00 0.0 M M M
5/29/2012 6:00 AM 0.00 0.0 M M M
5/30/2012 6:00 AM 0.00 0.0 M M M
5/31/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 61°, H 84°, wind L/V, bar 29.97. 1st sign of summer today; may get to high 80s.
6/1/2012 7:00 AM 0.00 0.0 M M M
6/2/2012 6:00 AM 0.00 0.0 M M M
6/3/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 58°, H 86°, wind L/V, bar 29.82. Satellite photos show rain on the way for tomorrow.
6/4/2012 7:00 AM T M M M M 10/10 ocast, vis 8 mi, temp 60°, H 81°, wind S@3 G6, bar 29.89. Smelled like rain from 0600 but didn't start until 0650.
6/5/2012 7:00 AM 1.54 M M M M Scattered overcast, vis 10 mi, temp 42°, H 63°, wind L/V, bar 30.12. Rainfall total breaks record of 1.27 set in 1993. Line of thunderstorms hit late in the afternoon through early evening.
6/6/2012 6:00 AM 0.01 M M M M Much warmer today.
6/7/2012 7:00 AM 0.00 0.0 M M M
6/8/2012 6:00 AM 0.00 0.0 M M M
6/9/2012 6:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.00 0.0 M M M
6/11/2012 6:00 AM 0.00 0.0 M M M
6/12/2012 6:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M
6/24/2012 7:00 AM 0.00 0.0 M M M
6/25/2012 7:00 AM 0.00 0.0 M M M Below average temps for the last several days; tomatoes unhappy.
6/26/2012 6:00 AM 0.00 0.0 M M M
6/27/2012 6:00 AM 0.00 0.0 M M M
6/28/2012 7:00 AM 0.00 0.0 M M M
6/29/2012 6:00 AM 0.00 0.0 M M M
6/30/2012 6:00 AM 0.00 0.0 M M M
7/1/2012 6:00 AM 0.00 0.0 M M M
7/2/2012 6:00 AM 0.00 0.0 M M M Season total (July 1 - June 30) was 43 inches, 10.5 inches below normal.
7/4/2012 6:00 AM 0.00 0.0 M M M
7/5/2012 7:00 AM 0.00 0.0 M M M Delta breeze will keep us in the mid 80s today.
7/6/2012 6:00 AM 0.00 0.0 M M M
7/7/2012 6:00 AM 0.00 0.0 M M M
7/8/2012 6:00 AM 0.00 0.0 M M M In for a number of 90°+ days. Pretty much normal for mid-July.
7/9/2012 6:00 AM 0.00 0.0 M M M Yesterdays high (94°) was 11° cooler than the record. (edit: daily precip initially recorded as 6.00". changed to NA due to time of observation suspicion. observer contacted. P.G.) (observer-confirmed no precip at 6 AM)
7/10/2012 6:00 AM 0.00 0.0 M M M
7/11/2012 6:00 AM 0.00 0.0 M M M
7/12/2012 6:00 AM 0.00 0.0 M M M
7/13/2012 6:00 AM 0.00 0.0 M M M
7/14/2012 6:00 AM 0.00 0.0 M M M
7/15/2012 6:00 AM 0.00 0.0 M M M Delta breeze cools things off for the next week. Some smoke still here from the fire 25 miles south of us.
7/17/2012 6:00 AM 0.00 0.0 M M M Much cooler this am.
7/18/2012 6:00 AM 0.00 0.0 M M M
7/19/2012 7:00 AM T M M M M
7/20/2012 6:00 AM T M M M M
7/21/2012 6:00 AM 0.00 0.0 M M M
7/22/2012 6:00 AM 0.00 0.0 M M M It did not really cool off over night. Looking at near 100° today.
7/23/2012 5:30 AM 0.01 M M M M Monsoonal flow brings us the first measurable rain of the season. Rain fell from thunder showers between 0300 and 0445.
7/24/2012 6:00 AM 0.02 M M M M A brief but strong shower between 0800 and 0830 provided the rainfall. 10° cooler this AM.
7/25/2012 6:00 AM 0.00 0.0 M M M
7/26/2012 7:00 AM 0.00 0.0 M M M
7/27/2012 7:00 AM 0.00 0.0 M M M
7/29/2012 6:00 AM 0.00 0.0 M M M Swinging back to a 5 day warming cycle.
7/30/2012 7:00 AM 0.00 0.0 M M M
7/31/2012 6:00 AM 0.00 0.0 M M M 90°+ today.
8/1/2012 6:00 AM 0.00 0.0 M M M
8/2/2012 7:00 AM 0.00 0.0 M M M
8/3/2012 6:00 AM 0.00 0.0 M M M
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 6:00 AM T M M M M A brief thunder shower at 1800 gave us the big "T". More showers forcast for today.
8/6/2012 6:00 AM 0.00 0.0 M M M Some local verga noted between 1000 and 1100.
8/7/2012 6:00 AM 0.00 0.0 M M M
8/8/2012 6:00 AM 0.00 0.0 M M M
8/9/2012 7:00 AM 0.00 0.0 M M M
8/10/2012 6:00 AM 0.00 0.0 M M M About 8 degrees above normal for August. No let up in sight until Monday.
8/11/2012 7:00 AM 0.00 0.0 M M M Already 91° at 1152, going over 103° today.
8/12/2012 7:00 AM 0.00 0.0 M M M
8/13/2012 7:00 AM 0.00 0.0 M M M Great view of Venus bumping the Moon at sunrise.
8/14/2012 6:00 AM 0.00 0.0 M M M Yesterday's high (103°) was 10° cooler than the 1933 record. This morning's low (73°) is 10° warmer than the average for today.
8/15/2012 6:00 AM 0.00 0.0 M M M Monsonal flow from the Gulf of California cooling us off a bit. 8/10 cloud cover this AM.
8/16/2012 6:00 AM 0.00 0.0 M M M Morning cloud cover and afternoon breeze kept us cooler yesterday, 10° cooler this AM.
8/17/2012 6:00 AM 0.00 0.0 M M M Cooler this AM, monsoonal flow brings us a good chance of thunder showers today.
8/18/2012 7:00 AM T M M M M One clap of thunder at 0200 and a fine mist of rain gave us our trace.
8/19/2012 7:00 AM 0.00 0.0 M M M
8/20/2012 6:00 AM 0.00 0.0 M M M
8/21/2012 5:00 AM 0.00 0.0 M M M
8/22/2012 6:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM 0.00 0.0 M M M Visability down to 1 mi. in smoke by 1300 yesterday. It cleared to about 5 miles by 1800, but still smokey this morning.
8/24/2012 7:00 AM 0.00 0.0 M M M
8/25/2012 7:00 AM 0.00 0.0 M M M
8/26/2012 7:00 AM 0.00 0.0 M M M Cooler with no smoke this morning. Even though it's still warm, there was a hint of fall in the air.
8/27/2012 7:00 AM 0.00 0.0 M M M Cool(51°)and clear this morning, hinting of the fall to come?
8/28/2012 7:00 AM 0.00 0.0 M M M
8/29/2012 6:00 AM 0.00 0.0 M M M
8/30/2012 6:00 AM 0.00 0.0 M M M
8/31/2012 6:00 AM 0.00 0.0 M M M
9/1/2012 6:00 AM 0.00 0.0 M M M Blue Moon setting on a clear cool morning.
9/2/2012 7:00 AM 0.00 0.0 M M M
9/3/2012 6:00 AM 0.00 0.0 M M M Moderate haze this AM from several fires in the north state.
9/4/2012 7:00 AM 0.00 0.0 M M M
9/5/2012 6:00 AM 0.00 0.0 M M M Layer of cloud observed in the south this AM.
9/6/2012 6:00 AM 0.00 0.0 M M M Definite monsoonal flow this AM, lightning observed south of this station.
9/7/2012 7:00 AM T M M M M Light sprinkles between 0730 and 0900 gave us the trace.
9/8/2012 7:00 AM 0.00 0.0 M M M
9/9/2012 6:00 AM 0.00 0.0 M M M
9/10/2012 7:00 AM 0.00 0.0 M M M
9/11/2012 6:00 AM 0.00 0.0 M M M Waning crescent moon aligned with Venus and Jupiter before dawn.
9/12/2012 6:00 AM 0.00 0.0 M M M
9/14/2012 7:00 AM 0.00 0.0 M M M clear, vis >10 mi, temp 57°, 24 hour high 92°, wind L/V, bar 30.10.
9/15/2012 7:00 AM 0.00 0.0 M M M Severe clear, vis >10 mi, temp 60°, 24 hr. hi 93°, wind L/V.
9/16/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 54°, 24 hour hi 88°, wind L/V.
9/17/2012 6:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 54°, 24 hour hi 88° wind L/V.
9/18/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 54°, 24 hour hi 87°, wind L/V.
9/19/2012 6:00 AM 0.00 0.0 M M M Skys clear, temp 58°, 24 hour high 88°, vis > 10 mi, wind L/V.
9/20/2012 6:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 55°, 24 hour high 86°, wind L/V.
9/21/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 55°, 24 hour hi 84°, wind L/V.
9/22/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis 10 mi, temp 57°, 24 hour hi 86°, wind L/V. A slim chance for precip. tomorrow.
9/23/2012 7:00 AM 0.00 0.0 M M M 9/10 altostratus, vis >10 mi, temp 60°, 24 hour hi 87°, wind L/V. Cloud cover kept us warmer and gave us a great sunrise.
9/24/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi, temp 56°, 24 hour hi 86°, wind L/V. Cloud cover kept temps. cooler till late afternoon. Lots of leaves on the ground this AM.
9/25/2012 7:00 AM 0.00 0.0 M M M Skys clear, temp 54°, 24 hour hi 84°, vis. >10 mi, wind L/V.
9/29/2012 7:00 AM 0.00 0.0 M M M Skys clear, vis >10 mi., wind L/V, temp 55°, 24 hour high 89°.
9/30/2012 6:00 AM 0.00 0.0 M M M Skys clear, vis. >10 mi.,temp 55°, 24 hour high 90°, wind L/V.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground