Station Overview Station Location
Station Number CA-SN-43 Latitude 38.43003
Station Name Santa Rosa 2.9 WSW Longitude -122.749895
County Sonoma Elevation (ft) 116



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 1.71 6.22 9 6.22 9 0.00 0 0 9 0 0.0 0 0
Nov 10 4.08 3.21 11 3.21 11 0.00 0 0 9 0 0.0 0 0
Dec 10 6.21 6.71 22 5.04 18 1.67 4 1 14 1 0.0 0 0
Jan 11 5.98 1.18 8 1.18 8 0.00 0 0 3 0 0.0 0 0
Feb 11 6.13 5.68 10 5.68 10 0.00 0 0 9 0 0.0 0 0
March 11 4.10 8.72 10 8.72 10 0.00 0 0 10 0 0.0 0 0
April 11 1.79 0.39 1 0.39 1 0.00 0 0 1 0 0.0 0 0
May 11 1.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 11 0.24 1.05 3 1.05 3 0.00 0 0 3 0 0.0 0 0
July 11 0.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 0.06 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 0.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 31.96" 33.16" 74 days 31.49" 70 1.67" 4 days 1 58 days 1 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
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 0.20
10/19/2010
10/20/2010
10/21/2010
10/22/2010 0.15
10/23/2010 0.20
10/24/2010 3.57
10/25/2010 1.18
10/26/2010
10/27/2010
10/28/2010 0.02
10/29/2010 0.43
10/30/2010 0.34
10/31/2010 0.13
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010 0.97
11/8/2010 0.06
11/9/2010
11/10/2010 0.17
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
11/20/2010 0.23
11/21/2010 0.72
11/22/2010 0.02
11/23/2010 0.32
11/24/2010 0.00
11/25/2010
11/26/2010
11/27/2010 0.49
11/28/2010 0.23
11/29/2010
11/30/2010 0.00
12/1/2010
12/2/2010
12/3/2010 0.18
12/4/2010
12/5/2010
12/6/2010 **
12/7/2010 **
12/8/2010 **
12/9/2010 1.67
12/10/2010 0.12
12/11/2010 0.03
12/12/2010
12/13/2010 0.00
12/14/2010 0.28
12/15/2010 T
12/16/2010
12/17/2010 0.21
12/18/2010 0.70
12/19/2010 0.68
12/20/2010 0.37
12/21/2010 0.18
12/22/2010 0.48
12/23/2010
12/24/2010
12/25/2010
12/26/2010 0.50
12/27/2010 0.13
12/28/2010 0.02
12/29/2010 1.16
12/30/2010 0.00
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.51
1/2/2011 0.29
1/3/2011
1/4/2011
1/5/2011 0.00
1/6/2011 0.00
1/7/2011
1/8/2011
1/9/2011
1/10/2011 0.00
1/11/2011
1/12/2011
1/13/2011
1/14/2011 0.38
1/15/2011
1/16/2011 0.00
1/17/2011 0.00
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011
2/3/2011
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011 0.74
2/15/2011 0.06
2/16/2011 0.94
2/17/2011 0.58
2/18/2011 1.24
2/19/2011 0.64
2/20/2011 0.11
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011 1.32
2/26/2011 0.05
2/27/2011 0.00
2/28/2011
3/1/2011
3/2/2011 0.68
3/3/2011
3/4/2011
3/5/2011
3/6/2011 0.72
3/7/2011 0.24
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011 0.69
3/15/2011
3/16/2011 1.02
3/17/2011
3/18/2011
3/19/2011 0.96
3/20/2011 1.16
3/21/2011
3/22/2011
3/23/2011 0.71
3/24/2011
3/25/2011 1.60
3/26/2011 0.94
3/27/2011
3/28/2011
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011
4/2/2011
4/3/2011
4/4/2011
4/5/2011
4/6/2011
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011
4/12/2011
4/13/2011
4/14/2011
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011
4/21/2011 0.39
4/22/2011
4/23/2011
4/24/2011
4/25/2011
4/26/2011
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
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011 0.28
6/2/2011
6/3/2011
6/4/2011 0.48
6/5/2011 0.29
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011
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
10/18/2010 7:00 AM 0.20 M M M M
10/22/2010 7:00 AM 0.15 M M M M
10/23/2010 7:00 AM 0.20 M M M M
10/24/2010 8:30 AM 3.57 M M M M weather station down
10/25/2010 7:00 AM 1.18 M M M M
10/28/2010 7:00 AM 0.02 M M M M
10/29/2010 7:00 AM 0.43 M M M M currently raining moderate
10/30/2010 7:00 AM 0.34 M M M M
10/31/2010 7:00 AM 0.13 M M M M
11/7/2010 7:00 AM 0.97 M M M M
11/8/2010 7:00 AM 0.06 M M M M
11/10/2010 7:00 AM 0.17 M M M M
11/20/2010 6:45 AM 0.23 M M M M full overcast light rain, calm wind, temp 43.7º, barometer 29.75inHg,
11/21/2010 7:00 AM 0.72 M M M M mostly sunny, barometer 29.78 rising, temp 41º, humidity 95%, light wind
11/22/2010 7:00 AM 0.02 M M M M full overcast, light rain, barometer 30.11inHg, light wind, temp 45.7º, dewpoint 43.3º, humidity 91%
11/23/2010 7:00 AM 0.32 M M M M full overcast. light mist, barometer 29.89inHg, humidity 95%, Temp 50.2º, dewpoint 48.5, light wind 6.0mph
11/24/2010 7:00 AM 0.00 0.0 M M M clear and cold, barometer 30.12inHg, temp 31.9º, Humidity 79%, dewpoint 26.1º, calm wind
11/27/2010 7:00 AM 0.49 M M M M full overcast light rain, barometer 29.87, temp 44.3º, humidity 91%, dewpoint 41.9º, light wind 1.1mph gust to 2.7mph NNW
11/28/2010 7:00 AM 0.23 M M M M clear sky, light wind with gust to 1.3mph ENE, barometer 30.06inHg, temp 32.6º, dewpoint 30.5º, humidity 92%
11/30/2010 7:00 AM 0.00 0.0 M M M mostly cloudy, high thin clouds, barometer 30.39inHg, temp 36.0º, dewpoint 32.5º, humidity 87%, calm wind WNW
12/3/2010 7:00 AM 0.18 M M M M full overcast. barometer 29.99, temp 48.4º, dewpoint 46.8º, humidity 94%, light wind .7mph NE gust 1.3
12/10/2010 7:00 AM 0.12 M M M M full overcast, light rain, barometer 30.13inHg, humidity 97%, temp 55.1º, dewpoint 54.2º, calm wind
12/11/2010 7:00 AM 0.03 M M M M full overcast fog, barometer 30.22inHg, temp 54.0º,dewpoint 53.2º, humidity 97%, wind calm ESE
12/13/2010 7:00 AM 0.00 0.0 M M M full overcast fog, barometer 30.08inHg, humidity 95%, temp 54.4º, dewpoint 53.0º, light wind 0.4 WSW
12/14/2010 7:00 AM 0.28 M M M M full overcast, light rain, barometer 29.88inHg falling, humidity 97%, temp 55.4º, dewpoint 54.6º, light wind 1.8mph SSE gust to 2.7mph
12/15/2010 7:00 AM T M M M M low dense fog, barometer 29.95 climbing, humidity 97%, temp 42.1º, dewpoint 41.3º, calm wind NNW
12/17/2010 7:00 AM 0.21 M M M M full overcast, light rain,barometer 29.80,humidity 91%,temp44.3º, dewpoint 41.9º, calm wind NNW
12/18/2010 9:00 AM 0.70 M M M M full overcast, barometer 29.72, temp 53.8º humidity 97%, dewpoint 53.0º, light wind 1.1mph SE
12/19/2010 10:00 AM 0.68 M M M M full overcast, light rain, barometer 29.49inHg, temp 50.9º, humidity 97%, light wind 1.1mph with gust to 2.7 WSW. Periods of heavy rain overnight, short durations
12/20/2010 7:00 AM 0.37 M M M M full overcast, light rain, barometer 29.64inHg, humidity 95%, temp 45.0º, dewpoint 43.7º, light wind 1.1mph S
12/21/2010 7:00 AM 0.18 M M M M mostly clear, windy, barometer 29.72, humidity 92%, temp 47.9º, dewpoint 45.7º, wind 2.0mph ESE gust to 8.3mph
12/22/2010 7:00 AM 0.48 M M M M partly cloudy, light wind, barometer 29.63, temp 50.8º, dewpoint 49.7º, humidity 96%
12/26/2010 9:00 AM 0.50 M M M M mostly cloudy, calm wind, barometer 30.13inHg,humidity 97%, temp 46.4º,
12/27/2010 10:00 AM 0.13 M M M M partly sunny, some lingering fog, temp 49.0º, humidity 98%, calm wind
12/28/2010 9:00 AM 0.02 M M M M full overcast, light rain, barometer 30.09 dropping. temp 48.4º humidity 95%, calm wind NNE
12/29/2010 8:00 AM 1.16 M M M M partly cloudy, barometer 29.71 rising, temp 46.6º, dewpoint 44.2º, calm wind
12/30/2010 9:00 AM 0.00 0.0 M M M clear sky, barometer 29.95inHg, temp42.5º light wind, humidity 85%
12/31/2010 9:00 AM 0.00 0.0 M M M partly cloudy, light wind 1.3mph , barometer 30.02inHg, temp 39.4º, humidity 81%
1/1/2011 10:00 AM 0.51 M M M M full overcast, light wind, barometer 30.04, temp 42.1º, dewpoint 40.0º, wind 1.1mph ENE
1/2/2011 7:00 AM 0.29 M M M M full overcast, light wind, barometer 29.90inHg, temp 46.3º, dewpoint 44.4º, humidity 93%, wind 1.8mph W
1/5/2011 7:00 AM 0.00 0.0 M M M low dense fog, calm wind, temp 31.9º, barometer 30.28inHg, humidity 92%,
1/6/2011 7:00 AM 0.00 0.0 M M M low dense fog, barometer 30.21inHg, temp 29.9º, humidity 91%, calm wind
1/10/2011 7:00 AM 0.00 0.0 M M M clear and cold, temp 27.7º, barometer 30.15inHg, humidity 91%, calm wind
1/14/2011 7:00 AM 0.38 M M M M partly cloudy fog, barometer 29.73, temp 42.1º, light wind
1/16/2011 10:00 AM 0.00 0.0 M M M foggy, calm wind, barometer 30.22inHg, temp 47.9º, humidity 94%
1/17/2011 7:00 AM 0.00 0.0 M M M low dense fog, humidity 95%, barometer 30.17, temp 48.6º, light wind
2/14/2011 5:00 PM 0.74 M M M M rain started at 3am this morning, moderate at times.
2/15/2011 7:00 AM 0.06 M M M M full overcast. moderate wind 4.9mph,SE, (edit: daily precip. initially recorded as 0.06". changed to 0.60" to echo nearby data. observer contacted to confirm change. P.G.) (edit: observer-confirmed 0.06". reading from day prior was taken in the evening. P.G.)
2/16/2011 7:00 AM 0.94 M M M M heavy rain overnight, mostly cloudy currently,light wind, barometer 29.70, temp 43.6º, humidity 93%,
2/17/2011 7:00 AM 0.58 M M M M currently heavy rain, gusty wind, barometer 29.76, temp 45º, humidity 94%,wind SE 6.5mph higher gusts
2/18/2011 7:00 AM 1.24 M M M M dense fog, calm wind, barometer 29.85inHg, temp 35.3º,humidity 96%
2/19/2011 7:00 AM 0.64 M M M M dense fog, calm wind, barometer 29.67inHg, temp 35.8º,humidity 96%
2/20/2011 7:00 AM 0.11 M M M M dense fog, temp 31.5º,barometer 30.06inHg, Humidity 95%, calm wind
2/25/2011 7:00 AM 1.32 M M M M full overcast, light rain, light wind ENE .9mph. temp 41.9º, barometer 29.69inHg, humidity 95%
2/26/2011 7:00 AM 0.05 M M M M clear sky, calm wind, barometer 29.82, temp 27.5º, humidity 87%
2/27/2011 7:00 AM 0.00 0.0 M M M clear and cold, temp 29.5º, barometer 29.96inHg, humidity 85%, calm wind NNW
3/2/2011 7:00 AM 0.68 M M M M moderate rain, barometer 29.87inHg, humidity 95%, temp 48.6º wind 3.4mph SSE gust to 5.4mph
3/6/2011 7:00 AM 0.72 M M M M full overcast raining, light wind 0.9 ENE, barometer 29.87inHg, temp 52.9º
3/7/2011 7:00 AM 0.24 M M M M partly cloudy, light wind, barometer 29.95inHg, Temp 44.3º, humidity 85%
3/14/2011 7:00 AM 0.69 M M M M full overcast fog & drizzle. light wind,temp 49.3º, barometer 30.18inHg, Humidity 96%
3/16/2011 7:00 AM 1.02 M M M M full overcast, light drizzle, temp 50.4º, barometer 30.03inHg, humidity 96%
3/19/2011 8:30 AM 0.96 M M M M full overcast, light wind, barometer 29.80inHg, temp 43.9º, humidity 94%
3/20/2011 9:00 AM 1.16 M M M M full overcast, moderate rain. Heavy rain and strong wind last night. Peak gust 30.2mph at 1:09am. Current barometer 29.43, humidity 95%, temp 48.2º, wind from SSE at 2.7mph
3/23/2011 7:00 AM 0.71 M M M M mostly cloudy, light wind, barometer 29.68inHg, humidity 96%, temp 47.7º, wind SE 1.1mph
3/25/2011 7:00 AM 1.60 M M M M partly cloudy,calm wind, barometer 29.82inHg, humidity 94%, temp 45.5º
3/26/2011 8:00 AM 0.94 M M M M full overcast, light rain, barometer 29.91inHg, humidity94%, temp 50.4º, wind 1.8mph NW
4/21/2011 7:00 AM 0.39 M M M M clear sky, calm wind
6/1/2011 7:00 AM 0.28 M M M M full overcast, moderate wind, barometer 29.99inHg, Temp 53º, humidity 86%, wind 2.9mph with gust to 5 SSE
6/4/2011 9:00 AM 0.48 M M M M full overcast, gusty wind to 15mph ENE temp 56.7º, barometer 29.69inHg, humidity 82%
6/5/2011 7:00 AM 0.29 M M M M full overcast, light wind, temp 55.4º, humidity 75%, barometer 29.91inHg



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/6/2010 12/09/2010 7:00 AM 4 1.67 M M



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