Station Overview Station Location
Station Number CA-SN-18 Latitude 38.401067
Station Name Sebastopol 0.3 WNW Longitude -122.830153
County Sonoma Elevation (ft) 122



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 2.13 8.31 9 8.31 9 0.00 0 0 8 1 0.0 0 0
Nov 10 5.31 3.41 9 3.41 9 0.00 0 0 9 0 0.0 0 0
Dec 10 8.18 10.36 23 10.36 23 0.00 0 0 21 1 0.0 0 0
Jan 11 8.22 2.36 9 2.36 9 0.00 0 0 8 1 0.0 0 0
Feb 11 7.66 7.07 7 7.07 7 0.00 0 0 6 1 0.0 0 0
March 11 5.71 12.61 18 12.61 18 0.00 0 0 17 1 0.0 0 0
April 11 2.39 0.13 1 0.13 1 0.00 0 0 1 0 0.0 0 0
May 11 1.37 2.47 11 1.11 7 1.36 4 1 7 0 0.0 0 0
June 11 0.28 1.61 8 1.61 8 0.00 0 0 6 1 0.0 0 0
July 11 0.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 0.07 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 0.33 0.03 3 0.03 3 0.00 0 0 3 0 0.0 0 0
Water Year Totals: 41.66" 48.36" 98 days 47.00" 94 1.36" 4 days 1 86 days 6 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 0.21
10/19/2010
10/20/2010
10/21/2010
10/22/2010 0.13
10/23/2010 0.21
10/24/2010 4.66
10/25/2010 2.16
10/26/2010
10/27/2010
10/28/2010 T
10/29/2010 0.57
10/30/2010 0.31
10/31/2010 0.06
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010 0.92
11/8/2010 0.09
11/9/2010
11/10/2010 0.19
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 0.26
11/21/2010 0.72
11/22/2010 0.05
11/23/2010 0.47
11/24/2010
11/25/2010
11/26/2010
11/27/2010 0.63
11/28/2010 0.08
11/29/2010
11/30/2010
12/1/2010
12/2/2010 0.01
12/3/2010 0.17
12/4/2010 T
12/5/2010 0.13
12/6/2010 1.40
12/7/2010 0.00
12/8/2010 0.54
12/9/2010 0.41
12/10/2010 0.11
12/11/2010 0.01
12/12/2010 0.02
12/13/2010 0.01
12/14/2010 0.28
12/15/2010
12/16/2010
12/17/2010 0.16
12/18/2010 1.03
12/19/2010 1.04
12/20/2010 0.39
12/21/2010
12/22/2010 1.03
12/23/2010 0.02
12/24/2010
12/25/2010
12/26/2010 0.95
12/27/2010 0.28
12/28/2010 0.02
12/29/2010 2.35
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.53
1/2/2011 0.49
1/3/2011 0.02
1/4/2011 T
1/5/2011
1/6/2011
1/7/2011
1/8/2011 0.02
1/9/2011
1/10/2011
1/11/2011
1/12/2011
1/13/2011 0.07
1/14/2011 0.41
1/15/2011 0.01
1/16/2011
1/17/2011
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 0.81
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
2/15/2011 0.90
2/16/2011 2.35
2/17/2011 0.91
2/18/2011 1.07
2/19/2011 0.56
2/20/2011
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011 1.28
2/26/2011 T
2/27/2011
2/28/2011
3/1/2011
3/2/2011 1.50
3/3/2011 0.05
3/4/2011
3/5/2011
3/6/2011 0.64
3/7/2011 0.11
3/8/2011 0.03
3/9/2011
3/10/2011
3/11/2011 0.18
3/12/2011
3/13/2011
3/14/2011 0.71
3/15/2011 0.16
3/16/2011 1.50
3/17/2011 T
3/18/2011 0.18
3/19/2011 1.18
3/20/2011 1.89
3/21/2011
3/22/2011
3/23/2011 1.10
3/24/2011 0.68
3/25/2011 1.13
3/26/2011 1.32
3/27/2011
3/28/2011 0.25
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
4/22/2011
4/23/2011
4/24/2011 M
4/25/2011 0.13
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 0.25
5/16/2011 0.01
5/17/2011 **
5/18/2011 **
5/19/2011 **
5/20/2011 M 1.36
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011 0.04
5/26/2011 0.49
5/27/2011
5/28/2011 0.01
5/29/2011 0.13
5/30/2011
5/31/2011 0.18
6/1/2011
6/2/2011 0.24
6/3/2011 0.01
6/4/2011 0.33
6/5/2011 0.33
6/6/2011 0.01
6/7/2011 0.00
6/8/2011 T
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 0.69
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 0.01
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 0.01
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/18/2010 7:00 AM 0.21 M M M M
10/22/2010 7:00 AM 0.13 M M M M
10/23/2010 7:00 AM 0.21 M M M M
10/24/2010 7:00 AM 4.66 M M M M
10/25/2010 7:00 AM 2.16 M M M M
10/28/2010 7:00 AM T M M M M
10/29/2010 7:00 AM 0.57 M M M M
10/30/2010 7:00 AM 0.31 M M M M
10/31/2010 7:00 AM 0.06 M M M M
11/7/2010 7:00 AM 0.92 M M M M
11/8/2010 7:00 AM 0.09 M M M M
11/10/2010 7:00 AM 0.19 M M M M
11/20/2010 7:00 AM 0.26 M M M M
11/21/2010 7:00 AM 0.72 M M M M
11/22/2010 7:00 AM 0.05 M M M M
11/23/2010 7:00 AM 0.47 M M M M
11/27/2010 7:00 AM 0.63 M M M M
11/28/2010 7:00 AM 0.08 M M M M
12/2/2010 7:00 AM 0.01 M M M M
12/3/2010 7:00 AM 0.17 M M M M
12/4/2010 7:00 AM T M M M M
12/5/2010 7:00 AM 0.13 M M M M
12/6/2010 7:00 AM 1.40 M M M M
12/7/2010 7:00 AM 0.00 0.0 M M M
12/8/2010 7:00 AM 0.54 M M M M
12/9/2010 7:00 AM 0.41 M M M M
12/10/2010 7:00 AM 0.11 M M M M
12/11/2010 7:00 AM 0.01 M M M M
12/12/2010 7:00 AM 0.02 M M M M
12/13/2010 7:00 AM 0.01 M M M M
12/14/2010 7:00 AM 0.28 M M M M
12/17/2010 7:00 AM 0.16 M M M M
12/18/2010 7:00 AM 1.03 M M M M
12/19/2010 8:00 AM 1.04 M M M M
12/20/2010 7:00 AM 0.39 M M M M
12/22/2010 7:00 AM 1.03 M M M M
12/23/2010 7:00 AM 0.02 M M M M
12/26/2010 7:00 AM 0.95 M M M M
12/27/2010 7:00 AM 0.28 M M M M
12/28/2010 7:00 AM 0.02 M M M M
12/29/2010 7:00 AM 2.35 M M M M
1/1/2011 7:00 AM 0.53 M M M M
1/2/2011 7:00 AM 0.49 M M M M
1/3/2011 7:00 AM 0.02 M M M M
1/4/2011 7:00 AM T M M M M
1/8/2011 7:00 AM 0.02 M M M M
1/13/2011 7:00 AM 0.07 M M M M
1/14/2011 7:00 AM 0.41 M M M M
1/15/2011 7:00 AM 0.01 M M M M
1/30/2011 7:00 AM 0.81 M M M M
2/15/2011 7:00 AM 0.90 M M M M
2/16/2011 7:00 AM 2.35 M M M M
2/17/2011 7:30 AM 0.91 M M M M
2/18/2011 7:00 AM 1.07 M M M M
2/19/2011 7:00 AM 0.56 M M M M
2/25/2011 7:00 AM 1.28 M M M M
2/26/2011 7:00 AM T M M M M
3/2/2011 7:00 AM 1.50 M M M M
3/3/2011 7:00 AM 0.05 M M M M
3/6/2011 7:00 AM 0.64 M M M M
3/7/2011 7:00 AM 0.11 M M M M
3/8/2011 7:00 AM 0.03 M M M M
3/11/2011 7:00 AM 0.18 M M M M
3/14/2011 7:00 AM 0.71 M M M M rare thunder!
3/15/2011 7:00 AM 0.16 M M M M
3/16/2011 7:00 AM 1.50 M M M M
3/17/2011 7:00 AM T M M M M
3/18/2011 7:00 AM 0.18 M M M M
3/19/2011 7:00 AM 1.18 M M M M Periods of hail of +/- 10min. duration @ midnight and 1:30; +/- 1-2mm in diam.
3/20/2011 7:00 AM 1.89 M M M M
3/23/2011 7:00 AM 1.10 M M M M
3/24/2011 7:00 AM 0.68 M M M M
3/25/2011 7:00 AM 1.13 M M M M
3/26/2011 7:00 AM 1.32 M M M M
3/28/2011 7:00 AM 0.25 M M M M
4/24/2011 7:00 AM M M M M M (edit: daily precip. initially recorded as 0.58". changed to NA due to discrepancy with surrounding stations. observer contacted. P.G.)
4/25/2011 7:00 AM 0.13 M M M M
5/15/2011 7:00 AM 0.25 M M M M
5/16/2011 7:00 AM 0.01 M M M M
5/20/2011 7:00 AM M M M M M This observation constitutes the accumulation over 4 days, 5/16-19 (edit: daily precip initially recorded as 1.36". MDR will be recorded as this report is deleted. observer contacted. P.G.)
5/25/2011 7:00 AM 0.04 M M M M
5/26/2011 7:00 AM 0.49 M M M M
5/28/2011 7:00 AM 0.01 M M M M
5/29/2011 7:00 AM 0.13 M M M M
5/31/2011 7:00 AM 0.18 M M M M
6/2/2011 7:00 AM 0.24 M M M M
6/3/2011 7:00 AM 0.01 M M M M
6/4/2011 7:00 AM 0.33 M M M M
6/5/2011 7:00 AM 0.33 M M M M
6/6/2011 7:00 AM 0.01 M M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM T M M M M
6/29/2011 7:00 AM 0.69 M M M M
9/11/2011 7:00 AM 0.01 M M M M
9/25/2011 7:00 AM 0.01 M M M M
9/30/2011 7:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/17/2011 5/20/2011 7:00 AM 4 1.36 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