Station Overview Station Location
Station Number CA-CC-6 Latitude 37.893714
Station Name Lafayette 0.7 E Longitude -122.104351
County Contra Costa Elevation (ft) 248



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 10 1.34 1.55 9 1.55 9 0.00 0 0 8 1 0.0 0 0
Nov 10 3.16 3.31 11 3.31 11 0.00 0 0 10 1 0.0 0 0
Dec 10 4.68 8.19 17 8.19 17 0.00 0 0 17 0 0.0 0 0
Jan 11 5.13 1.84 28 1.84 28 0.00 0 0 8 2 0.0 0 0
Feb 11 5.07 6.81 27 6.81 27 0.00 0 0 9 0 0.0 0 0
March 11 3.80 9.35 31 9.35 31 0.00 0 0 18 1 0.0 0 0
April 11 1.46 0.47 21 0.47 21 0.00 0 0 4 3 0.0 0 0
May 11 0.84 1.18 20 1.18 20 0.00 0 0 5 0 0.0 0 0
June 11 0.17 2.29 26 2.29 26 0.00 0 0 6 0 0.0 0 0
July 11 0.02 0.00 25 0.00 25 0.00 0 0 0 1 0.0 0 0
Aug 11 0.07 0.00 19 0.00 19 0.00 0 0 0 0 0.0 0 0
Sept 11 0.19 0.00 5 0.00 5 0.00 0 0 0 1 0.0 0 0
Water Year Totals: 25.93" 34.99" 239 days 34.99" 239 0.00" 0 days 0 85 days 10 days 0.0" 0 days 0 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
10/1/2010
10/2/2010 T
10/3/2010
10/4/2010
10/5/2010
10/6/2010
10/7/2010
10/8/2010
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010 0.08
10/19/2010
10/20/2010
10/21/2010
10/22/2010 0.02
10/23/2010 0.08
10/24/2010 0.15
10/25/2010 1.08
10/26/2010
10/27/2010
10/28/2010
10/29/2010 0.01
10/30/2010 0.11
10/31/2010 0.02
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010 0.39
11/8/2010 0.37
11/9/2010
11/10/2010 0.09
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010 T
11/20/2010 0.51
11/21/2010 1.25
11/22/2010 0.06
11/23/2010 0.29
11/24/2010 0.08
11/25/2010
11/26/2010
11/27/2010 0.07
11/28/2010 0.20
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010 0.05
12/4/2010
12/5/2010
12/6/2010 1.04
12/7/2010
12/8/2010 0.10
12/9/2010 0.73
12/10/2010 0.02
12/11/2010 0.01
12/12/2010
12/13/2010
12/14/2010 0.07
12/15/2010 0.25
12/16/2010
12/17/2010 0.18
12/18/2010 1.09
12/19/2010 1.43
12/20/2010 0.52
12/21/2010 0.01
12/22/2010 0.40
12/23/2010
12/24/2010
12/25/2010
12/26/2010 0.78
12/27/2010 0.01
12/28/2010
12/29/2010 1.50
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.51
1/2/2011 0.25
1/3/2011 0.01
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 T
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.07
1/13/2011 T
1/14/2011 0.10
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.01
1/18/2011 0.00
1/19/2011
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 0.00
1/23/2011
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 0.00
1/27/2011 0.00
1/28/2011 0.00
1/29/2011
1/30/2011 0.42
1/31/2011 0.47
2/1/2011 0.00
2/2/2011 0.00
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 0.00
2/6/2011 0.00
2/7/2011 0.00
2/8/2011 0.00
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011
2/14/2011 0.07
2/15/2011 0.36
2/16/2011 1.42
2/17/2011 0.45
2/18/2011 1.02
2/19/2011 1.17
2/20/2011 0.74
2/21/2011 0.00
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 1.36
2/26/2011 0.22
2/27/2011 0.00
2/28/2011 0.00
3/1/2011 0.00
3/2/2011 0.21
3/3/2011 0.02
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.32
3/7/2011 0.38
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.00
3/11/2011 T
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.48
3/15/2011 0.15
3/16/2011 0.71
3/17/2011 0.00
3/18/2011 0.09
3/19/2011 1.09
3/20/2011 1.40
3/21/2011 0.11
3/22/2011 0.08
3/23/2011 0.52
3/24/2011 0.46
3/25/2011 2.29
3/26/2011 0.62
3/27/2011 0.32
3/28/2011 0.10
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.00
4/5/2011 0.00
4/6/2011 0.00
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.20
4/15/2011 0.00
4/16/2011 0.00
4/17/2011
4/18/2011 T
4/19/2011 T
4/20/2011 0.00
4/21/2011 0.21
4/22/2011 0.00
4/23/2011 0.00
4/24/2011 0.02
4/25/2011 0.04
4/26/2011 T
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011 0.00
5/7/2011 0.00
5/8/2011
5/9/2011 0.00
5/10/2011 0.00
5/11/2011
5/12/2011 0.00
5/13/2011 0.00
5/14/2011 0.00
5/15/2011 0.29
5/16/2011 0.00
5/17/2011 0.21
5/18/2011 0.40
5/19/2011
5/20/2011 0.00
5/21/2011
5/22/2011
5/23/2011 0.00
5/24/2011 0.00
5/25/2011 0.00
5/26/2011 0.17
5/27/2011 0.00
5/28/2011 0.00
5/29/2011 0.11
5/30/2011
5/31/2011 0.00
6/1/2011 0.25
6/2/2011 0.16
6/3/2011 0.00
6/4/2011 0.51
6/5/2011 0.58
6/6/2011 0.04
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.00
6/11/2011 0.00
6/12/2011
6/13/2011
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 0.00
6/18/2011 0.00
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.00
6/24/2011
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.00
6/28/2011
6/29/2011 0.75
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 0.00
7/9/2011 0.00
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.00
7/13/2011 0.00
7/14/2011 T
7/15/2011 0.00
7/16/2011 0.00
7/17/2011
7/18/2011
7/19/2011 0.00
7/20/2011
7/21/2011
7/22/2011
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.00
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.00
7/30/2011 0.00
7/31/2011
8/1/2011 0.00
8/2/2011
8/3/2011 0.00
8/4/2011 0.00
8/5/2011 0.00
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011 0.00
8/13/2011 0.00
8/14/2011
8/15/2011 0.00
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.00
8/21/2011
8/22/2011
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.00
8/27/2011 0.00
8/28/2011
8/29/2011 0.00
8/30/2011
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.00
9/3/2011
9/4/2011
9/5/2011
9/6/2011 0.00
9/7/2011 0.00
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011 T
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2010 7:00 AM T M M M M
10/18/2010 7:00 AM 0.08 M M M M
10/22/2010 7:00 AM 0.02 M M M M
10/23/2010 7:00 AM 0.08 M M M M
10/24/2010 7:00 AM 0.15 M M M M
10/25/2010 7:00 AM 1.08 M M M M
10/29/2010 7:00 AM 0.01 M M M M
10/30/2010 7:00 AM 0.11 M M M M
10/31/2010 7:00 AM 0.02 M M M M
11/7/2010 9:00 AM 0.39 M M M M
11/8/2010 7:00 AM 0.37 M M M M
11/10/2010 7:00 AM 0.09 M M M M
11/19/2010 7:00 AM T M M M M
11/20/2010 6:00 AM 0.51 M M M M
11/21/2010 7:00 AM 1.25 M M M M
11/22/2010 7:00 AM 0.06 M M M M
11/23/2010 7:00 AM 0.29 M M M M
11/24/2010 7:00 AM 0.08 M M M M
11/27/2010 7:00 AM 0.07 M M M M
11/28/2010 7:00 AM 0.20 M M M M
12/3/2010 7:00 AM 0.05 M M M M
12/6/2010 7:00 AM 1.04 M M M M
12/8/2010 7:00 AM 0.10 M M M M
12/9/2010 7:00 AM 0.73 M M M M
12/10/2010 7:00 AM 0.02 M M M M
12/11/2010 7:00 AM 0.01 M M M M
12/14/2010 7:00 AM 0.07 M M M M
12/15/2010 7:00 AM 0.25 M M M M
12/17/2010 7:00 AM 0.18 M M M M
12/18/2010 6:00 AM 1.09 M M M M
12/19/2010 7:00 AM 1.43 M M M M
12/20/2010 7:00 AM 0.52 M M M M
12/21/2010 7:00 AM 0.01 M M M M
12/22/2010 7:00 AM 0.40 M M M M
12/26/2010 7:00 AM 0.78 M M M M
12/27/2010 7:00 AM 0.01 M M M M
12/29/2010 7:00 AM 1.50 M M M M
1/1/2011 7:00 AM 0.51 M M M M Drizzle. 12-31 high/low: 46/32.
1/2/2011 7:00 AM 0.25 M M M M Cloudy. 1-1 high/low: 44/41.
1/3/2011 7:00 AM 0.01 M M M M A few clouds and thin fog. 1/2 high-low: 47/41.
1/4/2011 7:00 AM 0.00 0.0 M M M Clear. 1/3 high-low: 50/41.
1/5/2011 6:00 AM 0.00 0.0 M M M Fog, visibility about half a mile. 1/4 high-low: 51/42.
1/6/2011 7:00 AM 0.00 0.0 M M M Thick fog, visibility 100-200 yards. Temperature actually warmed from low of 32 after fog formed; currently 35. 1/5 high-low: 52/34.
1/7/2011 7:00 AM 0.00 0.0 M M M Fog, but not as thick as yesterday. 1/6 high-low: 45/32.
1/8/2011 7:00 AM 0.00 0.0 M M M Thick fog. 1/7 high-low: 43/37.
1/9/2011 7:00 AM T M M M M Fog. Trace yesterday from heavy fog. 1/8 high-low: 43/32.
1/10/2011 7:00 AM 0.00 0.0 M M M Thick fog. 1/9 high-low: 45/37.
1/11/2011 7:00 AM 0.00 0.0 M M M Cloudy with southerly wind. 1/10 high-low: 48/29.
1/12/2011 7:00 AM 0.07 M M M M Cloudy. 1/11 high-low: 44/37.
1/13/2011 7:00 AM T M M M M Overcast. 1/12 high-low: 55/37. Warmest high since Dec. 30.
1/14/2011 7:00 AM 0.10 M M M M Foggy. 1/13 high-low: 57/37.
1/15/2011 7:00 AM 0.00 0.0 M M M Broken thin clouds. 1/14 high-low: 60/49. First 60-degree day since Dec. 11.
1/16/2011 6:00 AM 0.00 0.0 M M M Thick fog. 1/15 high-low: 57/41.
1/17/2011 6:00 AM 0.01 M M M M Thick fog. Didn't clear yesterday till 2 p.m. 1/16 high-low: 52/41.
1/18/2011 7:00 AM 0.00 0.0 M M M Thick fog. 1/17 high-low: 54/46.
1/20/2011 7:00 AM 0.00 0.0 M M M Clear, occasional warm easterly gusts. 1/19 high-low: 57/43.
1/21/2011 7:00 AM 0.00 0.0 M M M Clear. 1/20 high-low: 61/38.
1/22/2011 7:00 AM 0.00 0.0 M M M A few high clouds. 1/21 high-low: 62/35.
1/24/2011 7:00 AM 0.00 0.0 M M M Clear. 1/23 high-low: 64/38.
1/25/2011 7:00 AM 0.00 0.0 M M M Clear. 1/24 high-low: 65/35.
1/26/2011 7:00 AM 0.00 0.0 M M M Thick fog. 1/25 high-low: 62/38.
1/27/2011 7:00 AM 0.00 0.0 M M M High fog. 1/26 high-low: 59/39.
1/28/2011 7:00 AM 0.00 0.0 M M M Fog. 1/27 high-low: 55/37.
1/30/2011 7:00 AM 0.42 M M M M Cloudy. Rain has stopped for now. 1/29 high-low: 55/37.
1/31/2011 7:00 AM 0.47 M M M M Clear. 1/30 high-low: 56/48.
2/1/2011 7:00 AM 0.00 0.0 M M M Clear. 1/31 high-low: 61/35. January rainfall totaled 1.84 inches; 16-year average for the month at this location is 5.54 inches.
2/2/2011 7:00 AM 0.00 0.0 M M M Clear. 2/1 high-low: 63/40. Diablo wind last night kept temperatures in the low 50s till midnight; then it stopped, and it dropped to 35 by morning.
2/3/2011 7:00 AM 0.00 0.0 M M M Clear. 2/2 high-low: 60/33.
2/4/2011 7:00 AM 0.00 0.0 M M M Clear. 2/3 high-low: 60/33.
2/5/2011 7:00 AM 0.00 0.0 M M M Clear. 2/4 high-low: 63/36.
2/6/2011 7:00 AM 0.00 0.0 M M M Clear. 2/5 high-low: 72/40. Low today is 52.
2/7/2011 7:00 AM 0.00 0.0 M M M Clear. 2/6 high-low: 76/51.
2/8/2011 7:00 AM 0.00 0.0 M M M Clear. 2/7 high-low: 71/41.
2/9/2011 7:00 AM 0.00 0.0 M M M Clear. 2/8 high-low: 63/44.
2/10/2011 6:00 AM 0.00 0.0 M M M Clear. 2/9 high-low: 59/35.
2/11/2011 7:00 AM 0.00 0.0 M M M Clear. 2/10 high-low: 61/33.
2/12/2011 7:00 AM 0.00 0.0 M M M Clear. 2/11 high-low: 63/34.
2/14/2011 7:00 AM 0.07 M M M M Light rain/drizzle. 2/13 high-low: 64/35.
2/15/2011 7:00 AM 0.36 M M M M Cloudy, south wind. 2/14 high-low: 56/44, 0.36"
2/16/2011 7:00 AM 1.42 M M M M Occ. heavy showers. 2/15 high-low: 60/49, 1.42"
2/17/2011 7:00 AM 0.45 M M M M Mostly cloudy. Rain stopped around 4:30 a.m. Yesterday's highlight was a morning hailstorm. 2/16 high-low: 54/44, 0.45".
2/18/2011 7:00 AM 1.02 M M M M Partly cloudy, calm. 2/17 high-low: 47/42, 1.02"
2/19/2011 7:00 AM 1.17 M M M M Mostly cloudy. 2/18 high-low: 45/37, 1.17"
2/20/2011 7:00 AM 0.74 M M M M Yesterday's high, 43, was the coldest high for a February day in 18 years of data at this location. This morning it is 32 and there is ice everywhere. Rainfall over 24 hrs was 0.74"
2/21/2011 6:00 AM 0.00 0.0 M M M Cloudy. 2/20 high-low: 56/32.
2/22/2011 7:00 AM 0.00 0.0 M M M Clear. 2/21 high-low: 52/34.
2/23/2011 7:00 AM 0.00 0.0 M M M Clear. 2/22 high-low: 61/33.
2/24/2011 7:00 AM 0.00 0.0 M M M High clouds, 36 degrees. 2/23 high-low: 56/37.
2/25/2011 7:00 AM 1.36 M M M M Heavy rain, 47 degrees. They said snow showers were likely here tonight, but I don't see how. 2/24 high-low: 50/37, 1.36"
2/26/2011 7:00 AM 0.22 M M M M Clear, 30 degrees. 2/25 high-low: 53/43, 0.22"
2/27/2011 7:00 AM 0.00 0.0 M M M Clear, 30 degrees. 2/26 high-low: 48/30.
2/28/2011 7:00 AM 0.00 0.0 M M M Clear, 32 degrees. 2/27 high-low: 59/30.
3/1/2011 7:00 AM 0.00 0.0 M M M A few cirrus clouds, 35 degrees. 2/28 high-low: 61/32. February rainfall totaled 6.81"; 16-year average for the month at this location is 5.94".
3/2/2011 6:00 AM 0.21 M M M M Showers, 49 degrees. 3/1 high-low: 63/35, 0.21"
3/3/2011 7:00 AM 0.02 M M M M Partly cloudy. 3/2 high-low: 56/48, 0.02"
3/4/2011 7:00 AM 0.00 0.0 M M M Clear, 39 degrees. 3/3 high-low: 68/46.
3/5/2011 7:00 AM 0.00 0.0 M M M Some high clouds. 3/4 high-low: 67/39.
3/6/2011 7:00 AM 0.32 M M M M Rain, 53 degrees. 3/5 high-low: 71/43.
3/7/2011 7:00 AM 0.38 M M M M Partly cloudy, 46 degrees w/north wind. 3/6 high-low: 57/53, 0.38".
3/8/2011 7:00 AM 0.00 0.0 M M M Mostly cloudy, 50 degrees, no rain. 3/7 high-low: 61/35.
3/9/2011 7:00 AM 0.00 0.0 M M M Midlevel clouds, 48 degrees. 3/8 high-low: 65/49.
3/10/2011 7:00 AM 0.00 0.0 M M M Thin high clouds, 43 degrees. 3/9 high-low: 65/48.
3/11/2011 7:00 AM T M M M M Clear, 43 degrees. 3/10 high-low: 60/43, Trace.
3/12/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 43 degrees. 3/11 high-low: 66/43.
3/13/2011 7:00 AM 0.00 0.0 M M M Cloudy, 49 degrees. 3/12 high-low: 67/43.
3/14/2011 7:00 AM 0.48 M M M M Cloudy; still a bit of drizzle. 56 degrees. 3/13 high-low: 66/48, 0.48".
3/15/2011 7:00 AM 0.15 M M M M Dark clouds, 56 degrees. 3/14 high-low: 63/55, 0.15".
3/16/2011 7:00 AM 0.71 M M M M Drizzle, 53 degrees. 3/15 high-low: 63/53, 0.71".
3/17/2011 7:00 AM 0.00 0.0 M M M Milky sky, 37 degrees. 3/16 high-low: 61/51.
3/18/2011 7:00 AM 0.09 M M M M Showers, 49 degrees. 3/17 high-low: 65/37, 0.09".
3/19/2011 7:00 AM 1.09 M M M M Partly cloudy, 42 degrees. 3/18 high-low: 51/46, 1.09".
3/20/2011 6:30 AM 1.40 M M M M Showers, 47 degrees. 3/19 high-low: 50/40, 1.40". Second-coldest high temperature for March in17 years here. (49 on 3/4/98).
3/21/2011 7:00 AM 0.11 M M M M Partly cloudy, 39 degrees. 3/20 high-low: 58/46, 0.11".
3/22/2011 7:00 AM 0.08 M M M M Partly cloudy, 44 degrees. 3/21 high-low: 60/39, 0.08".
3/23/2011 7:00 AM 0.52 M M M M Rain, 47 degrees. 3/22 high-low: 60/43, 0.52".
3/24/2011 7:00 AM 0.46 M M M M Just started raining again. 47 degrees. 3/23 high-low: 58/47, 0.46".
3/25/2011 7:00 AM 2.29 M M M M Showers, 45 degrees. 3/24 high-low: 48/43, 2.29". Coldest high temperature for a day in March in 18 years of data here. At sunset there was snow on the top of Mount Diablo.
3/26/2011 6:00 AM 0.62 M M M M Light rain, 47 degrees. 3/25 high-low: 61/43, 0.62".
3/27/2011 7:00 AM 0.32 M M M M
3/28/2011 7:00 AM 0.10 M M M M Clear, 42 degrees. 3/27 high-low: 60/41, 0.10."
3/29/2011 7:00 AM 0.00 0.0 M M M Clear, 44 degrees. 3/28 high-low: 67/41.
3/30/2011 7:00 AM 0.00 0.0 M M M A few high clouds, 50 degrees. 3/29 high-low: 73/42.
3/31/2011 7:00 AM 0.00 0.0 M M M Clear, 50 degrees. 3/30 high-low: 83/49.
4/1/2011 7:00 AM 0.00 0.0 M M M Clear, 50 degrees. 3/31 high-low: 81/49. March rainfall totaled 9.80"; the 17-year average for this location is 3.51". Also, the first buds appeared yesterday on the front-yard ash tree, five days later than last year.
4/2/2011 7:00 AM 0.00 0.0 M M M High clouds, 54 degrees. 4/1 high-low: 84/48.
4/3/2011 7:00 AM 0.00 0.0 M M M Clear, 43 degrees. 4/2 high-low: 75/54.
4/4/2011 7:00 AM 0.00 0.0 M M M Clear, 43 degrees, 4/3 high-low: 71/43.
4/5/2011 7:00 AM 0.00 0.0 M M M A few high clouds, 51 degrees. 4/4 high-low: 78/43.
4/6/2011 7:00 AM 0.00 0.0 M M M Clear, 46 degrees. 4/5 high-low: 77/50.
4/11/2011 7:00 AM 0.00 0.0 M M M Cloudy, 43 degrees. 4/10 high-low: 69/50.
4/12/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 46 degrees. 4/11 high-low: 69/43.
4/13/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 45 degrees. 4/12 high-low: 69/44.
4/14/2011 7:00 AM 0.20 M M M M Midlevel clouds, 40 degrees. 4/13 high-low: 63/44, 0.20"
4/15/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 47 degrees. 4/14 high-low: 69/39.
4/16/2011 8:00 AM 0.00 0.0 M M M Mostly cloudy, 54 degrees. 4/15 high-low: 77/44.
4/18/2011 7:00 AM T M M M M Cloudy, a couple of sprinkles, 54 degrees. 4/17 high-low: 75/55.
4/19/2011 7:00 AM T M M M M Cloudy with light mist. 4/18 high/low: 63/53.
4/20/2011 7:00 AM 0.00 0.0 M M M Cloudy, 53 degrees. 4/19 high-low: 73/54.
4/21/2011 7:00 AM 0.21 M M M M Mostly clear, 48 degrees. 0.21" overnight. 4/20 high-low: 69/53.
4/22/2011 7:00 AM 0.00 0.0 M M M Fog, 47 degrees. 4/21 high-low: 68/47.
4/23/2011 7:00 AM 0.00 0.0 M M M High clouds, 48 degrees. 4/22 high-low: 66/47.
4/24/2011 6:00 AM 0.02 M M M M Drizzle, 53 degrees. 4/23 high-low: 68/47.
4/25/2011 7:00 AM 0.04 M M M M Very light mist, 52 degrees. 4/24 high-low: 70/53.
4/26/2011 7:00 AM T M M M M Clear, 43 degrees. 4/25 high-low: 68/52.
5/6/2011 7:00 AM 0.00 0.0 M M M Clear, 56 degrees. 5/5 high-low: 92/50.
5/7/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 50 degrees. 5/6 high-low: 72/56. Twenty-degree drop from Thursday's high.
5/9/2011 7:00 AM 0.00 0.0 M M M Patchy fog, 47 degrees. 5/8 high-low: 68/50.
5/10/2011 7:00 AM 0.00 0.0 M M M Clear, 46 degrees.
5/12/2011 7:00 AM 0.00 0.0 M M M Clear, 49 degrees. 5/11 high-low: 68/50.
5/13/2011 7:00 AM 0.00 0.0 M M M Clear, 50 degrees. 5/12 high-low: 78/48.
5/14/2011 7:00 AM 0.00 0.0 M M M Cloudy, 50 degrees. 5/13 high-low: 74/48.
5/15/2011 7:00 AM 0.29 M M M M
5/16/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 45 degrees. 5/15 high-low: 61/45.
5/17/2011 7:00 AM 0.21 0.0 M M M Cloudy, 49 degrees. 5/16 high-low: 59/44, 0.21".
5/18/2011 7:00 AM 0.40 M M M M Partly cloudy, 49 degrees. 5/17 high-low: 56/48, 0.40". That's not only the coldest high temperature for May in 17 years of record-keeping here (previous was 58), it's the coldest post-April 11 high.
5/20/2011 7:00 AM 0.00 0.0 M M M Overcast, 52 degrees. 5/19 high-low: 78/47.
5/23/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 50 degrees. 5/22 high-low: 71/51.
5/24/2011 7:00 AM 0.00 0.0 M M M Patchy fog, 48 degrees. 5/23 high-low: 72/49.
5/25/2011 7:00 AM 0.00 0.0 M M M Cloudy, 51 degrees. 5/24 high-low: 72/47.
5/26/2011 7:00 AM 0.17 M M M M A few clouds, 46 degrees. 5/25 high-low: 64/50, 0.17".
5/27/2011 7:00 AM 0.00 0.0 M M M Mostly cloudy, 52 degrees. 5/26 high-low: 68/45.
5/28/2011 7:00 AM 0.00 0.0 M M M Broken high clouds, 50 degrees. 5/27 high-low: 69/48.
5/29/2011 7:00 AM 0.11 M M M M Clear, 45 degrees. 5/28 high-low: 66/47, 0.11".
5/31/2011 7:00 AM 0.00 0.0 M M M Partly cloudy, 54 degrees. 5/30 high-low: 67/51.
6/1/2011 7:00 AM 0.25 M M M M Light showers, 48 degrees. 5/31 high-low: 58/51, 0.25". Total for May was 1.41", which was actually less than each of the past two years.
6/2/2011 7:00 AM 0.16 M M M M Partly cloudy, 48 degrees. 6/1 high-low: 64/47, 0.16", most of which fell during a heavy morning shower.
6/3/2011 7:00 AM 0.00 0.0 M M M Cloudy, 47 degrees. 6/2 high-low: 69/47.
6/4/2011 7:00 AM 0.51 M M M M 54 degrees, steady rain, increasing in intensity in past half-hour. 6/3 high-low: 63/46. 0.51".
6/5/2011 7:00 AM 0.58 M M M M 54 degrees, steady light rain that started around 5:30 a.m. Yesterday's rain stopped about 2 p.m. 6/4 high-low: 64/54, 0.58".
6/6/2011 7:00 AM 0.04 M M M M Cloudy, 54 degrees. 6/5 high-low: 65/54, 0.04".
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M Foggy, 54 degrees. 6/7 high-low: 76/52.
6/9/2011 7:00 AM 0.00 0.0 M M M Patchy fog, 54 degrees. 6/8 high-low: 74/54.
6/10/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 54 degrees. 6/9 high-low: 81/53.
6/11/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 52 degrees. 6/10 high-low: 71/53.
6/14/2011 7:00 AM 0.00 0.0 M M M Clear, 57 degrees. 6/13 high-low: 81/53.
6/15/2011 7:00 AM 0.00 0.0 M M M Clear, 60 degrees. 6/14 high-low: 92/54.
6/16/2011 7:00 AM 0.00 0.0 M M M Clear, 60 degrees. 6/15 high-low: 94/59. Hottest day of the year.
6/17/2011 7:00 AM 0.00 0.0 M M M Clear. 6/16 high low was 80/57.
6/18/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 55 degrees. 6/17 high-low: 77/54.
6/19/2011 7:00 AM 0.00 0.0 M M M Clear. 6/18 high-low: 80/54.
6/20/2011 7:00 AM 0.00 0.0 M M M Clear, still, 60 degrees. 6/19 high-low: 91/55.
6/21/2011 7:00 AM 0.00 0.0 M M M Clear, 63 degrees. 6/20 high-low: 96/59.
6/22/2011 7:00 AM 0.00 0.0 M M M Clear, 67 degrees. Westerlies are starting to pick up, but it's still a warm wind. 6/21 high-low: 98/61.
6/23/2011 7:00 AM 0.00 0.0 M M M Clear, 56 degrees. Cooling winds arrived mid-afternoon. 6/22 high-low: 92/65.
6/25/2011 6:30 AM 0.00 0.0 M M M Overcast fog, 54 degrees. 6/24 high-low: 80/53.
6/26/2011 7:00 AM 0.00 0.0 M M M Clear, breezy, 54 degrees. 6/25 high-low: 76/54.
6/27/2011 7:00 AM 0.00 0.0 M M M Thin overcast fog, 55 degrees. 6/26 high-low: 86/54.
6/29/2011 7:00 AM 0.75 M M M M Partly cloudy, 53 degrees. 6/28 high-low: 61/56, 0.76". We've now had more rain in June (2.07") than we had in January (1.84"). It's also the rainiest June in 18 years of record-keeping here. (Old mark was 1.75" in 1995.)
6/30/2011 7:00 AM 0.00 0.0 M M M Clear, 54 degrees. 6/29 high-low: 70/52.
7/1/2011 7:00 AM 0.00 0.0 M M M Clear, 56 degrees. 6/30 high-low: 85/52. July 1-June 30 rainfall total = 35.45". Average for this station over past 18 years is 30.91".
7/2/2011 7:00 AM 0.00 0.0 M M M Clear, 60 degrees. 7/1 high-low: 92/55.
7/3/2011 8:30 AM 0.00 0.0 M M M Clear, 70 degrees. 7/2 high-low: 96/60.
7/4/2011 7:00 AM 0.00 0.0 M M M Clear, 64 degrees. 7/3 high-low: 98/61.
7/5/2011 7:00 AM 0.00 0.0 M M M Clear, 62 degrees. 7/4 high-low: 96/61.
7/6/2011 7:00 AM 0.00 0.0 M M M A few stray subtropical high clouds, 63 degrees. 7/5 high-low: 98/60.
7/7/2011 7:00 AM 0.00 0.0 M M M Clear, 64 degrees. 7/6 high-low: 96/63.
7/8/2011 7:00 AM 0.00 0.0 M M M Clear, 64 degrees. 7/7 high-low: 91/63.
7/9/2011 7:00 AM 0.00 0.0 M M M Thin overcast fog, 56 degrees. 7/8 high-low: 95/63. Fog-bearing westerlies finally kicked in around 10 p.m.; first break in heat since June 30.
7/10/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 54 degrees. 7/9 high-low: 79/55.
7/11/2011 7:00 AM 0.00 0.0 M M M Overcast fog, breezy, 54 degrees. 7/10 high-low: 80/53.
7/12/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 54 degrees. 7/11 high-low: 71/53.
7/13/2011 7:00 AM 0.00 0.0 M M M Overcast fog, calm, 57 degrees. 7/12 high-low: 72/54.
7/14/2011 7:00 AM T M M M M Overcast fog. 7/13 high-low: 70/56. Trace precipitation from rare July AM drizzle.
7/15/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 55 degrees. 7/14 high-low: 69/54.
7/16/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 57 degrees. 7/15 high-low: 70/56.
7/19/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 57 degrees. 7/18 high-low: 80/54.
7/23/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 58 degrees. 7/22 high-low: 87/58.
7/24/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 58 degrees. 7/23 high-low: 80/57.
7/25/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 55 degrees. 7/24 high-low: 79/58.
7/26/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 57 degrees. 7/25 high-low: 81/55.
7/27/2011 7:00 AM 0.00 0.0 M M M Clear, 59 degrees. 7/26 high-low: 84/56.
7/28/2011 7:00 AM 0.00 0.0 M M M Clear, 58 degrees. 7/27 high-low: 92/58.
7/29/2011 7:00 AM 0.00 0.0 M M M Clear, 58 degrees. 7/28 high-low: 90/58.
7/30/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 58 degrees. 7/29 high-low: 84/58.
8/1/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 58 degrees. 7/31 high-low: 77/58.
8/3/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 57 degrees. 8/2 high-low: 88/55.
8/4/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 57 degrees. 8/3 high-low: 82/57.
8/5/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 57 degrees. 8/4 high-low: 73/57.
8/12/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 57 degrees. 8/11 high-low: 80/58.
8/13/2011 7:00 AM 0.00 0.0 M M M Clear, 59 degrees. 8/12 high-low: 86/56.
8/15/2011 7:00 AM 0.00 0.0 M M M Clear, 57 degrees. 8/14 high-low: 88/57.
8/16/2011 7:00 AM 0.00 0.0 M M M Clear, 58 degrees. 8/15 high-low: 88/57.
8/17/2011 7:00 AM 0.00 0.0 M M M Clear, 57 degrees. 8/16 high-low: 89/57.
8/18/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 56 degrees. 8/17 high-low: 87/57.
8/19/2011 7:00 AM 0.00 0.0 M M M Overcast fog, pretty brisk westerlies, 56 degrees. 8/18 high-low: 86/56.
8/20/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 57 degrees. 8/20 high-low: 76/55.
8/23/2011 7:00 AM 0.00 0.0 M M M Clear, 57 degrees. 8/22 high-low: 86/57.
8/24/2011 7:00 AM 0.00 0.0 M M M Clear, 61 degrees. 8/23 high-low: 95/55. Still looking for first 100-degree day of the summer.
8/25/2011 7:00 AM 0.00 0.0 M M M Overcast fog, 59 degrees. 8/24 high-low: 91/61.
8/26/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 60 degrees. 8/25 high-low: 88/59.
8/27/2011 7:00 AM 0.00 0.0 M M M Unusually low overcast fog for this time of year, 57 degrees. 8/26 high-low: 92/58.
8/29/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 58 degrees. 8/28 high-low: 93/56.
8/31/2011 7:00 AM 0.00 0.0 M M M Patchy overcast fog, 58 degrees. 8/30 high-low: 80/57.
9/1/2011 7:00 AM 0.00 0.0 M M M Clear, 57 degrees. 8/31 high-low: 82/57.
9/2/2011 7:00 AM 0.00 0.0 M M M Clear, 57 degrees. 9/1 high-low: 91/55.
9/6/2011 7:00 AM 0.00 0.0 M M M Clear, 54 degrees. 9/5 high-low: 86/54.
9/7/2011 7:00 AM 0.00 0.0 M M M Clear, 56 degrees. 9/6 high-low: 93/54.
9/12/2011 7:00 AM T M M M M



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
11/20/2010 5:30 PM Rice Rice Rice Clear Ice 1 3min no damage True Same time as rain Same time as smaller hail 30-40
2/16/2011 9:00 AM Rice Rice Rice Hard|White Ice 1 1min no damage Continuous False Same time as rain Same time as smaller hail 10-20