Station Overview Station Location
Station Number CA-SN-99 Latitude 38.48472
Station Name Guerneville 2.0 SSW Longitude -123.004603
County Sonoma Elevation (ft) 69



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 14 2.28 1.23 13 1.23 13 0.00 0 0 7 3 0.0 0 0
Nov 14 6.28 5.20 12 5.20 12 0.00 0 0 12 0 0.0 0 0
Dec 14 10.11 21.19 22 21.19 22 0.00 0 0 21 1 0.0 0 0
Jan 15 9.80 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 15 10.20 6.34 4 6.34 4 0.00 0 0 4 0 0.0 0 0
March 15 7.14 0.39 4 0.39 4 0.00 0 0 2 2 0.0 0 0
April 15 2.77 2.15 4 2.15 4 0.00 0 0 3 1 0.0 0 0
May 15 1.97 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 15 0.23 0.07 2 0.07 2 0.00 0 0 2 0 0.0 0 0
July 15 0.03 0.09 2 0.09 2 0.00 0 0 2 0 0.0 0 0
Aug 15 0.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 15 0.39 0.86 2 0.86 2 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 51.31" 37.52" 65 days 37.52" 65 0.00" 0 days 0 55 days 7 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
10/1/2014
10/2/2014
10/3/2014
10/4/2014
10/5/2014
10/6/2014
10/7/2014
10/8/2014
10/9/2014
10/10/2014
10/11/2014 T
10/12/2014 T
10/13/2014 0.00
10/14/2014
10/15/2014 0.14
10/16/2014 T
10/17/2014
10/18/2014 0.02
10/19/2014 0.00
10/20/2014 0.09
10/21/2014 0.11
10/22/2014
10/23/2014
10/24/2014
10/25/2014
10/26/2014 0.72
10/27/2014 0.01
10/28/2014
10/29/2014 0.00
10/30/2014
10/31/2014 0.14
11/1/2014 0.31
11/2/2014
11/3/2014
11/4/2014
11/5/2014
11/6/2014
11/7/2014
11/8/2014
11/9/2014
11/10/2014
11/11/2014 0.02
11/12/2014
11/13/2014 0.28
11/14/2014
11/15/2014 0.01
11/16/2014
11/17/2014 0.01
11/18/2014
11/19/2014 0.13
11/20/2014 0.57
11/21/2014 0.63
11/22/2014 1.36
11/23/2014
11/24/2014 0.02
11/25/2014
11/26/2014
11/27/2014
11/28/2014
11/29/2014 1.10
11/30/2014 0.76
12/1/2014 0.36
12/2/2014 0.62
12/3/2014 3.37
12/4/2014 1.57
12/5/2014 0.09
12/6/2014 1.47
12/7/2014
12/8/2014
12/9/2014 0.29
12/10/2014
12/11/2014 5.23
12/12/2014 2.36
12/13/2014 0.07
12/14/2014
12/15/2014 0.36
12/16/2014 1.30
12/17/2014 1.76
12/18/2014 0.46
12/19/2014 1.14
12/20/2014 0.15
12/21/2014 0.47
12/22/2014 0.01
12/23/2014 0.01
12/24/2014
12/25/2014 0.09
12/26/2014 0.01
12/27/2014 T
12/28/2014
12/29/2014
12/30/2014
12/31/2014
Day of YearDaily PrcpMultiday Prcp
1/1/2015
1/2/2015
1/3/2015
1/4/2015
1/5/2015
1/6/2015
1/7/2015
1/8/2015
1/9/2015
1/10/2015
1/11/2015
1/12/2015
1/13/2015
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015
1/19/2015
1/20/2015
1/21/2015
1/22/2015
1/23/2015
1/24/2015
1/25/2015
1/26/2015
1/27/2015
1/28/2015
1/29/2015
1/30/2015
1/31/2015
2/1/2015
2/2/2015
2/3/2015
2/4/2015
2/5/2015
2/6/2015 0.13
2/7/2015 3.86
2/8/2015 0.24
2/9/2015 2.11
2/10/2015
2/11/2015
2/12/2015
2/13/2015
2/14/2015
2/15/2015
2/16/2015
2/17/2015
2/18/2015
2/19/2015
2/20/2015
2/21/2015
2/22/2015
2/23/2015
2/24/2015
2/25/2015
2/26/2015
2/27/2015
2/28/2015
3/1/2015 T
3/2/2015
3/3/2015
3/4/2015
3/5/2015
3/6/2015
3/7/2015
3/8/2015
3/9/2015
3/10/2015
3/11/2015
3/12/2015
3/13/2015
3/14/2015
3/15/2015
3/16/2015
3/17/2015
3/18/2015
3/19/2015
3/20/2015
3/21/2015
3/22/2015 0.01
3/23/2015 0.38
3/24/2015 T
3/25/2015
3/26/2015
3/27/2015
3/28/2015
3/29/2015
3/30/2015
3/31/2015
Day of YearDaily PrcpMultiday Prcp
4/1/2015
4/2/2015
4/3/2015
4/4/2015
4/5/2015 T
4/6/2015 0.30
4/7/2015 1.17
4/8/2015
4/9/2015
4/10/2015
4/11/2015
4/12/2015
4/13/2015
4/14/2015
4/15/2015
4/16/2015
4/17/2015
4/18/2015
4/19/2015
4/20/2015
4/21/2015
4/22/2015
4/23/2015
4/24/2015
4/25/2015 0.68
4/26/2015
4/27/2015
4/28/2015
4/29/2015
4/30/2015
5/1/2015
5/2/2015
5/3/2015
5/4/2015
5/5/2015
5/6/2015
5/7/2015
5/8/2015
5/9/2015
5/10/2015
5/11/2015
5/12/2015
5/13/2015
5/14/2015
5/15/2015
5/16/2015
5/17/2015
5/18/2015
5/19/2015
5/20/2015
5/21/2015
5/22/2015
5/23/2015
5/24/2015
5/25/2015
5/26/2015
5/27/2015
5/28/2015
5/29/2015
5/30/2015
5/31/2015
6/1/2015 0.04
6/2/2015
6/3/2015
6/4/2015
6/5/2015
6/6/2015
6/7/2015
6/8/2015
6/9/2015
6/10/2015 0.03
6/11/2015
6/12/2015
6/13/2015
6/14/2015
6/15/2015
6/16/2015
6/17/2015
6/18/2015
6/19/2015
6/20/2015
6/21/2015
6/22/2015
6/23/2015
6/24/2015
6/25/2015
6/26/2015
6/27/2015
6/28/2015
6/29/2015
6/30/2015
Day of YearDaily PrcpMultiday Prcp
7/1/2015
7/2/2015
7/3/2015 0.02
7/4/2015
7/5/2015
7/6/2015
7/7/2015
7/8/2015
7/9/2015
7/10/2015 0.07
7/11/2015
7/12/2015
7/13/2015
7/14/2015
7/15/2015
7/16/2015
7/17/2015
7/18/2015
7/19/2015
7/20/2015
7/21/2015
7/22/2015
7/23/2015
7/24/2015
7/25/2015
7/26/2015
7/27/2015
7/28/2015
7/29/2015
7/30/2015
7/31/2015
8/1/2015
8/2/2015
8/3/2015
8/4/2015
8/5/2015
8/6/2015
8/7/2015
8/8/2015
8/9/2015
8/10/2015
8/11/2015
8/12/2015
8/13/2015
8/14/2015
8/15/2015
8/16/2015
8/17/2015
8/18/2015
8/19/2015
8/20/2015
8/21/2015
8/22/2015
8/23/2015
8/24/2015
8/25/2015
8/26/2015
8/27/2015
8/28/2015
8/29/2015
8/30/2015
8/31/2015
9/1/2015
9/2/2015
9/3/2015
9/4/2015
9/5/2015
9/6/2015
9/7/2015
9/8/2015
9/9/2015
9/10/2015
9/11/2015
9/12/2015
9/13/2015
9/14/2015
9/15/2015
9/16/2015 0.01
9/17/2015 0.85
9/18/2015
9/19/2015
9/20/2015
9/21/2015
9/22/2015
9/23/2015
9/24/2015
9/25/2015
9/26/2015
9/27/2015
9/28/2015
9/29/2015
9/30/2015



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/11/2014 7:00 AM T M M M M
10/12/2014 7:00 AM T M M M M
10/13/2014 7:00 AM 0.00 0.0 M M M
10/15/2014 7:00 AM 0.14 M M M M
10/16/2014 7:00 AM T M M M M
10/18/2014 7:00 AM 0.02 M M M M
10/19/2014 7:00 AM 0.00 0.0 M M M
10/20/2014 7:00 AM 0.09 M M M M
10/21/2014 7:00 AM 0.11 M M M M
10/26/2014 7:00 AM 0.72 M M M M
10/27/2014 7:00 AM 0.01 M M M M
10/29/2014 7:00 AM 0.00 0.0 M M M
10/31/2014 7:00 AM 0.14 M M M M
11/1/2014 7:00 AM 0.31 M M M M
11/11/2014 7:00 AM 0.02 M M M M
11/13/2014 7:00 AM 0.28 M M M M
11/15/2014 7:00 AM 0.01 M M M M
11/17/2014 7:00 AM 0.01 M M M M (from fog, heavy mist)
11/19/2014 7:00 AM 0.13 M M M M
11/20/2014 7:00 AM 0.57 M M M M
11/21/2014 7:00 AM 0.63 M M M M
11/22/2014 7:00 AM 1.36 M M M M
11/24/2014 7:00 AM 0.02 M M M M
11/29/2014 7:00 AM 1.10 M M M M
11/30/2014 7:00 AM 0.76 M M M M
12/1/2014 7:00 AM 0.36 M M M M
12/2/2014 7:00 AM 0.62 M M M M
12/3/2014 7:00 AM 3.37 M M M M
12/4/2014 7:00 AM 1.57 M M M M
12/5/2014 7:00 AM 0.09 M M M M
12/6/2014 7:00 AM 1.47 M M M M
12/9/2014 7:00 AM 0.29 M M M M
12/11/2014 7:00 AM 5.23 M M M M Street flooding, overflowing creeks, roads and schools closed. Runoff from hills has flooded normally safe areas. Not the first time, but doesn't happen often. Last time it was this bad was around 20 years ago.
12/12/2014 7:00 AM 2.36 M M M M The river is up and we cannot leave our area because the road is covered, but the river has come up much higher, so it does not meet the level of severe. The field is flooded from runoff.
12/13/2014 7:00 AM 0.07 M M M M
12/15/2014 7:00 AM 0.36 M M M M
12/16/2014 7:00 AM 1.30 M M M M
12/17/2014 7:00 AM 1.76 M M M M
12/18/2014 7:00 AM 0.46 M M M M
12/19/2014 7:00 AM 1.14 M M M M
12/20/2014 7:00 AM 0.15 M M M M
12/21/2014 7:00 AM 0.47 M M M M
12/22/2014 7:00 AM 0.01 M M M M
12/23/2014 7:00 AM 0.01 M M M M
12/25/2014 7:00 AM 0.09 M M M M
12/26/2014 7:00 AM 0.01 M M M M
12/27/2014 7:00 AM T M M M M
2/6/2015 7:00 AM 0.13 M M M M windy
2/7/2015 7:00 AM 3.86 M M M M
2/8/2015 7:00 AM 0.24 M M M M
2/9/2015 7:00 AM 2.11 M M M M
3/1/2015 7:00 AM T M M M M Over the last 20 days there has been no rain, but .02 inches accumulated in the rain gauge. A recently placed rain gauge measured only a trace
3/22/2015 7:00 AM 0.01 M M M M
3/23/2015 7:00 AM 0.38 M M M M
3/24/2015 7:00 AM T M M M M
4/5/2015 7:00 AM T M M M M
4/6/2015 7:00 AM 0.30 M M M M
4/7/2015 7:00 AM 1.17 M M M M
4/25/2015 7:00 AM 0.68 M M M M
6/1/2015 7:00 AM 0.04 M M M M
6/10/2015 7:00 AM 0.03 M M M M
7/3/2015 7:00 AM 0.02 M M M M
7/10/2015 7:00 AM 0.07 M M M M
9/16/2015 7:00 AM 0.01 M M M M
9/17/2015 7:00 AM 0.85 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