Station Overview Station Location
Station Number CA-SN-81 Latitude 38.47
Station Name Santa Rosa 2.7 ENE Longitude -122.6589
County Sonoma Elevation (ft) 281



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 09 1.75 2.68 19 2.65 12 0.03 7 1 3 1 0.0 0 0
Nov 09 3.78 1.30 22 1.30 22 0.00 0 0 6 0 0.0 0 0
Dec 09 6.30 2.62 23 2.62 23 0.00 0 0 9 0 0.0 0 0
Jan 10 6.13 9.43 30 9.43 27 0.00 3 0 16 0 0.0 0 0
Feb 10 5.97 4.88 29 4.68 25 0.20 4 2 13 0 0.0 0 0
March 10 4.55 3.91 31 3.06 25 0.85 6 1 8 0 0.0 0 0
April 10 1.94 5.46 30 2.99 21 2.47 9 3 9 1 0.0 0 0
May 10 1.27 2.72 30 2.22 13 0.50 17 5 7 0 0.0 0 0
June 10 0.23 0.03 61 0.00 1 0.03 60 5 0 0 0.0 0 0
July 10 0.04 0.00 62 0.00 0 0.00 62 3 0 0 0.0 0 0
Aug 10 0.06 0.00 58 0.00 0 0.00 58 2 0 0 0.0 0 0
Sept 10 0.33 0.13 30 0.00 0 0.13 30 2 0 0 0.0 0 0
Water Year Totals: 32.35" 33.16" 425 days 28.95" 169 4.21" 256 days 24 71 days 2 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009 0.96
10/14/2009 1.62
10/15/2009 0.07 **
10/16/2009 **
10/17/2009 **
10/18/2009 **
10/19/2009 **
10/20/2009 **
10/21/2009 0.03
10/22/2009 0.00
10/23/2009 T
10/24/2009 0.00
10/25/2009
10/26/2009 0.00
10/27/2009 0.00
10/28/2009 0.00
10/29/2009 0.00
10/30/2009 0.00
10/31/2009 0.00
11/1/2009 0.00
11/2/2009
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.27
11/7/2009 0.21
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.00
11/15/2009 0.00
11/16/2009 0.00
11/17/2009
11/18/2009 0.28
11/19/2009 0.00
11/20/2009 0.00
11/21/2009 0.49
11/22/2009 0.03
11/23/2009 0.02
11/24/2009 0.00
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009 0.00
12/3/2009 0.00
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 0.00
12/7/2009 0.05
12/8/2009 0.00
12/9/2009 0.00
12/10/2009 0.00
12/11/2009 0.18
12/12/2009 0.55
12/13/2009 1.04
12/14/2009 0.01
12/15/2009 0.00
12/16/2009 0.45
12/17/2009 0.00
12/18/2009 0.02
12/19/2009 0.00
12/20/2009 0.00
12/21/2009 0.16
12/22/2009 0.00
12/23/2009 0.00
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009 0.16
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.01
1/2/2010 0.37
1/3/2010
1/4/2010 0.00
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.00
1/8/2010 0.00
1/9/2010 0.02
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.48
1/13/2010 0.27
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.13
1/18/2010 0.71
1/19/2010 1.72
1/20/2010 1.65
1/21/2010 0.84
1/22/2010 0.63
1/23/2010 0.47
1/24/2010 0.27
1/25/2010 1.10
1/26/2010 0.71
1/27/2010 0.05
1/28/2010 0.00
1/29/2010 **
1/30/2010 **
1/31/2010 **
2/1/2010 **
2/2/2010 0.20
2/3/2010 0.22
2/4/2010 0.00
2/5/2010 0.80
2/6/2010 0.49
2/7/2010 0.22
2/8/2010 0.00
2/9/2010 0.17
2/10/2010 0.02
2/11/2010 0.00
2/12/2010 0.08
2/13/2010 0.12
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.00
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.00 **
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.16
2/23/2010 0.00
2/24/2010 1.34
2/25/2010 0.20
2/26/2010 0.00
2/27/2010 0.78
2/28/2010 0.08
3/1/2010 0.00
3/2/2010 0.41
3/3/2010 0.96
3/4/2010 0.32
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.02
3/10/2010 0.23
3/11/2010 0.00
3/12/2010 0.12
3/13/2010 0.69
3/14/2010 0.00
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 0.00
3/25/2010 0.31
3/26/2010 **
3/27/2010 **
3/28/2010 **
3/29/2010 **
3/30/2010 **
3/31/2010 0.85
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.55
4/2/2010 0.03
4/3/2010 0.31
4/4/2010 T
4/5/2010 0.90
4/6/2010 0.00
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 **
4/12/2010 1.55
4/13/2010 0.42
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 **
4/18/2010 **
4/19/2010 **
4/20/2010 **
4/21/2010 0.92
4/22/2010 0.02
4/23/2010 0.00
4/24/2010 0.00
4/25/2010 **
4/26/2010 0.00
4/27/2010 0.41
4/28/2010 0.10
4/29/2010 0.25
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 **
5/3/2010 0.00
5/4/2010 0.00
5/5/2010
5/6/2010
5/7/2010 **
5/8/2010 **
5/9/2010 **
5/10/2010 **
5/11/2010 **
5/12/2010 0.50
5/13/2010 **
5/14/2010 0.00
5/15/2010 **
5/16/2010 **
5/17/2010 0.00
5/18/2010 0.84
5/19/2010 0.00
5/20/2010 0.08
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.05
5/24/2010 0.00
5/25/2010 0.01
5/26/2010 0.43
5/27/2010 0.24
5/28/2010 0.57
5/29/2010 **
5/30/2010 **
5/31/2010 **
6/1/2010 **
6/2/2010 0.00
6/3/2010 **
6/4/2010 **
6/5/2010 **
6/6/2010 **
6/7/2010 **
6/8/2010 **
6/9/2010 **
6/10/2010 0.00 **
6/11/2010 **
6/12/2010 0.00
6/13/2010 **
6/14/2010 **
6/15/2010 **
6/16/2010 **
6/17/2010 0.00
6/18/2010 **
6/19/2010 **
6/20/2010 **
6/21/2010 **
6/22/2010 **
6/23/2010 **
6/24/2010 **
6/25/2010 **
6/26/2010 **
6/27/2010 **
6/28/2010 **
6/29/2010 **
6/30/2010 **
Day of YearDaily PrcpMultiday Prcp
7/1/2010 **
7/2/2010 0.00
7/3/2010 **
7/4/2010 **
7/5/2010 **
7/6/2010 **
7/7/2010 **
7/8/2010 **
7/9/2010 **
7/10/2010 **
7/11/2010 **
7/12/2010 **
7/13/2010 **
7/14/2010 0.00
7/15/2010 **
7/16/2010 **
7/17/2010 **
7/18/2010 **
7/19/2010 0.00
7/20/2010 **
7/21/2010 **
7/22/2010 **
7/23/2010 **
7/24/2010 **
7/25/2010 **
7/26/2010 **
7/27/2010 **
7/28/2010 **
7/29/2010 **
7/30/2010 **
7/31/2010 **
8/1/2010 0.00
8/2/2010 **
8/3/2010 **
8/4/2010 **
8/5/2010 **
8/6/2010 **
8/7/2010 **
8/8/2010 **
8/9/2010 **
8/10/2010 **
8/11/2010 **
8/12/2010 **
8/13/2010 **
8/14/2010 **
8/15/2010 **
8/16/2010 **
8/17/2010 **
8/18/2010 **
8/19/2010 **
8/20/2010 **
8/21/2010 **
8/22/2010 **
8/23/2010 **
8/24/2010 **
8/25/2010 **
8/26/2010 **
8/27/2010 0.00
8/28/2010 **
8/29/2010 **
8/30/2010 **
8/31/2010 **
9/1/2010 **
9/2/2010 **
9/3/2010 **
9/4/2010 **
9/5/2010 **
9/6/2010 **
9/7/2010 **
9/8/2010 **
9/9/2010 0.00
9/10/2010 **
9/11/2010 **
9/12/2010 **
9/13/2010 **
9/14/2010 **
9/15/2010 **
9/16/2010 **
9/17/2010 **
9/18/2010 **
9/19/2010 **
9/20/2010 **
9/21/2010 **
9/22/2010 **
9/23/2010 0.13
9/24/2010 **
9/25/2010 **
9/26/2010 **
9/27/2010 **
9/28/2010 **
9/29/2010 **
9/30/2010 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/13/2009 8:00 AM 0.96 M M M M
10/14/2009 8:25 AM 1.62 M M M M
10/15/2009 8:10 AM 0.07 M M M M Light rain still falling.
10/22/2009 8:30 AM 0.00 0.0 M M M
10/23/2009 8:40 AM T M M M M
10/24/2009 8:00 AM 0.00 0.0 M M M Dew in funnel, but nothing in tube.
10/26/2009 8:35 AM 0.00 0.0 M M M
10/27/2009 8:35 AM 0.00 0.0 M M M dry night, no dew
10/28/2009 8:45 AM 0.00 0.0 M M M
10/29/2009 8:55 AM 0.00 0.0 M M M very dry
10/30/2009 8:45 AM 0.00 0.0 M M M light dew
10/31/2009 8:10 AM 0.00 0.0 M M M dew
11/1/2009 8:25 AM 0.00 0.0 M M M
11/3/2009 8:30 AM 0.00 0.0 M M M
11/4/2009 8:25 AM 0.00 0.0 M M M
11/5/2009 8:10 AM 0.00 0.0 M M M
11/6/2009 8:30 AM 0.27 M M M M
11/7/2009 8:42 AM 0.21 M M M M
11/8/2009 9:00 AM 0.00 0.0 M M M
11/9/2009 8:50 AM 0.00 0.0 M M M
11/10/2009 7:50 AM 0.00 0.0 M M M
11/11/2009 8:20 AM 0.00 0.0 M M M
11/12/2009 8:30 AM 0.00 0.0 M M M
11/13/2009 8:20 AM 0.00 0.0 M M M
11/14/2009 8:50 AM 0.00 0.0 M M M
11/15/2009 8:15 AM 0.00 0.0 M M M
11/16/2009 7:50 AM 0.00 0.0 M M M
11/18/2009 8:55 AM 0.28 M M M M
11/19/2009 7:35 AM 0.00 0.0 M M M
11/20/2009 8:15 AM 0.00 0.0 M M M
11/21/2009 8:15 AM 0.49 M M M M
11/22/2009 9:30 AM 0.03 M M M M
11/23/2009 8:20 AM 0.02 M M M M
11/24/2009 8:45 AM 0.00 0.0 M M M
12/2/2009 8:10 AM 0.00 0.0 M M M
12/3/2009 8:20 AM 0.00 0.0 M M M
12/4/2009 8:45 AM 0.00 0.0 M M M
12/5/2009 8:55 AM 0.00 0.0 M M M
12/6/2009 7:15 AM 0.00 0.0 M M M
12/7/2009 8:35 AM 0.05 M M M M
12/8/2009 8:35 AM 0.00 0.0 M M M Hard freeze. Dew on and in rain gauge is frozen.
12/9/2009 8:45 AM 0.00 0.0 M M M
12/10/2009 8:40 AM 0.00 0.0 M M M
12/11/2009 8:25 AM 0.18 M M M M
12/12/2009 8:50 AM 0.55 M M M M
12/13/2009 8:50 AM 1.04 M M M M
12/14/2009 8:35 AM 0.01 M M M M
12/15/2009 8:30 AM 0.00 0.0 M M M
12/16/2009 8:05 AM 0.45 M M M M
12/17/2009 8:20 AM 0.00 0.0 M M M
12/18/2009 8:40 AM 0.02 M M M M
12/19/2009 8:55 AM 0.00 0.0 M M M
12/20/2009 8:50 AM 0.00 0.0 M M M
12/21/2009 8:45 AM 0.16 M M M M
12/22/2009 8:30 AM 0.00 0.0 M M M
12/23/2009 8:50 AM 0.00 0.0 M M M
12/30/2009 8:15 AM 0.16 M M M M
1/1/2010 8:30 AM 0.01 M M M M
1/2/2010 8:40 AM 0.37 M M M M
1/4/2010 7:15 AM 0.00 0.0 M M M
1/5/2010 7:55 AM 0.00 0.0 M M M
1/6/2010 8:55 AM 0.00 0.0 M M M
1/7/2010 8:25 AM 0.00 0.0 M M M
1/8/2010 8:50 AM 0.00 0.0 M M M
1/9/2010 8:55 AM 0.02 M M M M
1/10/2010 8:55 AM 0.00 0.0 M M M
1/11/2010 8:10 AM 0.00 0.0 M M M
1/12/2010 8:25 AM 0.48 M M M M
1/13/2010 8:00 AM 0.27 M M M M It rained last night before midnight.
1/14/2010 8:30 AM 0.00 0.0 M M M
1/15/2010 8:00 AM 0.00 0.0 M M M
1/16/2010 8:50 AM 0.00 0.0 M M M
1/17/2010 8:50 AM 0.13 M M M M
1/18/2010 8:55 AM 0.71 M M M M
1/19/2010 8:45 AM 1.72 M M M M
1/20/2010 8:55 AM 1.65 M M M M
1/21/2010 8:10 AM 0.84 M M M M
1/22/2010 8:18 AM 0.63 M M M M
1/23/2010 8:40 AM 0.47 M M M M
1/24/2010 8:55 AM 0.27 M M M M
1/25/2010 8:45 AM 1.10 M M M M
1/26/2010 8:45 AM 0.71 M M M M
1/27/2010 8:20 AM 0.05 M M M M
1/28/2010 8:30 AM 0.00 0.0 M M M
2/3/2010 8:20 AM 0.22 M M M M
2/4/2010 8:35 AM 0.00 0.0 M M M
2/5/2010 8:30 AM 0.80 M M M M
2/6/2010 8:40 AM 0.49 M M M M
2/7/2010 8:25 AM 0.22 M M M M
2/8/2010 8:05 AM 0.00 0.0 M M M
2/9/2010 8:30 AM 0.17 M M M M
2/10/2010 8:30 AM 0.02 M M M M Rained lightly yesterday A. M.
2/11/2010 8:30 AM 0.00 0.0 M M M
2/12/2010 8:55 AM 0.08 M M M M
2/13/2010 8:20 AM 0.12 M M M M
2/14/2010 8:20 AM 0.00 0.0 M M M
2/15/2010 8:10 AM 0.00 0.0 M M M
2/16/2010 8:15 AM 0.00 0.0 M M M
2/17/2010 8:40 AM 0.00 0.0 M M M
2/18/2010 8:00 AM 0.00 0.0 M M M
2/19/2010 8:10 AM 0.00 0.0 M M M
2/21/2010 8:05 AM 0.00 0.0 M M M on and off misting
2/22/2010 8:40 AM 0.16 M M M M
2/23/2010 8:10 AM 0.00 0.0 M M M
2/24/2010 8:12 AM 1.34 M M M M
2/25/2010 8:20 AM 0.20 M M M M
2/26/2010 8:30 AM 0.00 0.0 M M M
2/27/2010 7:50 AM 0.78 M M M M
2/28/2010 8:45 AM 0.08 M M M M
3/1/2010 8:20 AM 0.00 0.0 M M M
3/2/2010 8:35 AM 0.41 M M M M
3/3/2010 8:30 AM 0.96 M M M M
3/4/2010 7:35 AM 0.32 M M M M clear and sunny
3/5/2010 8:30 AM 0.00 0.0 M M M
3/6/2010 8:30 AM 0.00 0.0 M M M
3/7/2010 8:00 AM 0.00 0.0 M M M sunny
3/8/2010 8:20 AM 0.00 0.0 M M M
3/9/2010 8:10 AM 0.02 M M M M
3/10/2010 8:40 AM 0.23 M M M M bright and sunny morning
3/11/2010 8:30 AM 0.00 0.0 M M M
3/12/2010 8:55 AM 0.12 M M M M
3/13/2010 8:30 AM 0.69 M M M M
3/14/2010 8:45 AM 0.00 0.0 M M M
3/15/2010 8:00 AM 0.00 0.0 M M M
3/16/2010 8:20 AM 0.00 0.0 M M M
3/17/2010 8:00 AM 0.00 0.0 M M M
3/18/2010 8:10 AM 0.00 0.0 M M M
3/19/2010 7:40 AM 0.00 0.0 M M M
3/20/2010 8:00 AM 0.00 0.0 M M M
3/21/2010 8:00 AM 0.00 0.0 M M M
3/22/2010 8:10 AM 0.00 0.0 M M M
3/23/2010 8:15 AM 0.00 0.0 M M M
3/24/2010 8:30 AM 0.00 0.0 M M M
3/25/2010 8:00 AM 0.31 M M M M
4/1/2010 8:10 AM 0.55 M M M M
4/2/2010 8:30 AM 0.03 M M M M
4/3/2010 8:40 AM 0.31 M M M M
4/4/2010 8:00 AM T M M M M
4/5/2010 8:40 AM 0.90 M M M M
4/6/2010 8:30 AM 0.00 0.0 M M M
4/7/2010 8:05 AM 0.00 0.0 M M M
4/8/2010 8:30 AM 0.00 0.0 M M M
4/9/2010 7:15 AM 0.00 0.0 M M M
4/10/2010 8:15 AM 0.00 0.0 M M M
4/13/2010 8:20 AM 0.42 M M M M
4/14/2010 8:20 AM 0.00 0.0 M M M
4/15/2010 8:15 AM 0.00 0.0 M M M
4/16/2010 7:30 AM 0.00 0.0 M M M Clear and sunny
4/22/2010 8:00 AM 0.02 M M M M
4/23/2010 8:00 AM 0.00 0.0 M M M
4/24/2010 8:00 AM 0.00 0.0 M M M
4/27/2010 8:30 AM 0.41 M M M M
4/28/2010 8:00 AM 0.10 M M M M
4/29/2010 8:05 AM 0.25 M M M M
4/30/2010 7:55 AM 0.00 0.0 M M M sunny and clear
5/1/2010 8:00 AM 0.00 0.0 M M M sunny and clear
5/4/2010 8:00 AM 0.00 0.0 M M M clear and sunny
5/18/2010 8:00 AM 0.84 M M M M
5/19/2010 7:45 AM 0.00 0.0 M M M
5/20/2010 8:00 AM 0.08 M M M M
5/21/2010 7:50 AM 0.00 0.0 M M M
5/22/2010 8:05 AM 0.00 0.0 M M M
5/23/2010 8:30 AM 0.05 M M M M
5/24/2010 7:25 AM 0.00 0.0 M M M
5/25/2010 8:00 AM 0.01 M M M M
5/26/2010 7:45 AM 0.43 M M M M
5/27/2010 7:00 AM 0.24 M M M M
5/28/2010 8:00 AM 0.57 M M M M
6/10/2010 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/15/2009 10/21/2009 10:00 PM 7 0.03 M M Was told it rained on Monday, October 19, 2009. (edit: start year changed from 2008 to 2009. P.G.)
1/29/2010 2/02/2010 5:30 PM 5 0.20 M M
2/19/2010 2/20/2010 12:00 AM 2 0.00 M M
3/26/2010 3/31/2010 8:30 AM 6 0.85 M M
4/11/2010 4/12/2010 8:10 AM 2 1.55 M M
4/17/2010 4/21/2010 8:10 AM 5 0.92 M M
4/25/2010 4/26/2010 8:00 AM 2 0.00 M M
5/2/2010 5/03/2010 12:00 AM 2 0.00 M M
5/7/2010 5/12/2010 7:30 AM 6 0.50 M M
5/13/2010 5/14/2010 8:00 AM 2 0.00 M M
5/15/2010 5/17/2010 7:30 AM 3 0.00 M M
5/29/2010 5/30/2010 8:00 AM 2 0.00 M M
5/30/2010 6/09/2010 8:00 AM 11 0.03 M M
6/1/2010 6/02/2010 7:30 AM 2 0.00 M M
6/3/2010 6/10/2010 8:00 AM 8 0.00 M M
6/10/2010 9/09/2010 8:00 AM 92 0.00 M M
6/11/2010 6/12/2010 8:00 AM 2 0.00 M M
6/13/2010 6/17/2010 8:00 AM 5 0.00 M M
6/18/2010 7/02/2010 7:45 AM 15 0.00 M M No rain or precipitation at all.
7/3/2010 7/14/2010 7:45 AM 12 0.00 M M
7/15/2010 7/19/2010 7:40 AM 5 0.00 M M
7/20/2010 8/01/2010 8:00 AM 13 0.00 M M
8/2/2010 8/27/2010 8:00 AM 26 0.00 M M
9/10/2010 9/23/2010 8:00 AM 14 0.13 M M Rained lightly September 19 and/or September 20.
9/24/2010 10/16/2010 9:00 AM 23 0.00 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