Station Overview Station Location
Station Number CA-SM-20 Latitude 37.56055
Station Name Moss Beach 3.1 NNE Longitude -122.47803
County San Mateo Elevation (ft) 1828



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 16 1.59 3.72 26 0.61 1 3.11 25 4 1 0 0.0 0 0
Nov 16 3.79 2.67 30 0.04 1 2.63 29 4 1 0 0.0 0 0
Dec 16 7.22 5.86 24 0.00 0 5.86 24 5 0 0 0.0 0 0
Jan 17 6.97 1.30 3 0.00 0 1.30 3 1 0 0 0.0 0 0
Feb 17 7.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 4.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 2.36 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 1.33 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 17 0.28 0.17 8 0.00 0 0.17 8 1 0 0 0.0 0 0
July 17 0.09 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 0.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 17 0.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 36.55" 13.72" 91 days 0.65" 2 13.07" 89 days 15 2 days 0 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
10/1/2016 **
10/2/2016 **
10/3/2016 **
10/4/2016 **
10/5/2016 **
10/6/2016 **
10/7/2016 **
10/8/2016 **
10/9/2016 0.03
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016 0.61
10/16/2016 **
10/17/2016 **
10/18/2016 **
10/19/2016 **
10/20/2016 **
10/21/2016 **
10/22/2016 **
10/23/2016 2.07
10/24/2016 **
10/25/2016 **
10/26/2016 0.12
10/27/2016 **
10/28/2016 **
10/29/2016 0.89
10/30/2016 **
10/31/2016 **
11/1/2016 **
11/2/2016 **
11/3/2016 **
11/4/2016 **
11/5/2016 1.71
11/6/2016 0.04
11/7/2016 **
11/8/2016 **
11/9/2016 **
11/10/2016 **
11/11/2016 **
11/12/2016 **
11/13/2016 **
11/14/2016 **
11/15/2016 **
11/16/2016 0.08
11/17/2016 **
11/18/2016 **
11/19/2016 **
11/20/2016 0.56
11/21/2016 **
11/22/2016 **
11/23/2016 **
11/24/2016 0.28
11/25/2016 **
11/26/2016 **
11/27/2016 **
11/28/2016 **
11/29/2016 **
11/30/2016 **
12/1/2016 **
12/2/2016 **
12/3/2016 0.91
12/4/2016 **
12/5/2016 **
12/6/2016 **
12/7/2016 **
12/8/2016 **
12/9/2016 **
12/10/2016 2.38
12/11/2016 **
12/12/2016 **
12/13/2016 **
12/14/2016 **
12/15/2016 **
12/16/2016 **
12/17/2016 1.89
12/18/2016 **
12/19/2016 **
12/20/2016 **
12/21/2016 **
12/22/2016 0.00
12/23/2016 **
12/24/2016 0.68
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017 **
1/3/2017 **
1/4/2017 1.30
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017 **
6/4/2017 **
6/5/2017 **
6/6/2017 **
6/7/2017 **
6/8/2017 **
6/9/2017 **
6/10/2017 0.17
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/15/2016 8:02 AM 0.61 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
11/6/2016 9:00 AM 0.04 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/1/2016 10/09/2016 12:00 PM 9 0.03 M M gauge cleaned out and ready for the new season, 0.03 accumulated from fog/drizzle...
10/16/2016 10/23/2016 12:28 PM 8 2.07 M M 0.98 reported by public, overflow noted but apparently discarded... total derived from gauge data within 1.5 miles...
10/24/2016 10/26/2016 4:37 PM 3 0.12 M M reported by public via google form; emptied
10/27/2016 10/29/2016 12:00 PM 3 0.89 M M
10/30/2016 11/05/2016 1:30 PM 7 1.71 M M 0.99 reported by public, overflow apparently discarded... total derived from gauge data within 1.5 miles...
11/7/2016 11/16/2016 10:00 AM 10 0.08 M M 0.085 reported by public via email; emptied
11/17/2016 11/20/2016 2:00 PM 4 0.56 M M about half of local automated gauges (1.20, 0.95)...?
11/21/2016 11/24/2016 3:05 PM 4 0.28 M M reported by public via google form; and emptied :-)
11/25/2016 12/03/2016 2:22 PM 9 0.91 M M reported by public via email with photo, but not emptied...
12/4/2016 12/10/2016 2:45 PM 7 2.38 M M measured 3.29, less 0.91 reported previously but not emptied... now empty
12/11/2016 12/17/2016 10:18 AM 7 1.89 M M reported by public via Facebook page https://www.facebook.com/groups/491946570946949/
12/18/2016 12/22/2016 5:00 PM 5 0.00 M M reported by public via email with photo https://drive.google.com/file/d/0B-pR8a9m-l1QMTkwbDg1S1NOWm1OZVVkaUdsVzlvNUNHalU0/view?usp=sharing
12/23/2016 12/24/2016 10:41 AM 2 0.68 M M reported by public via email with photo https://drive.google.com/file/d/0B-pR8a9m-l1QelNVZkhFTnpmVlk2UlF4dm5aenJyeEJLWFI4/view?usp=sharing
1/2/2017 1/04/2017 2:36 PM 3 1.30 M M reported by owner, 1.31 measured, less 0.01 left from previous report...
6/3/2017 6/10/2017 10:00 AM 8 0.17 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
1/21/2017 7:50 AM Rice Rice Rice Hard|White Ice 3 1min Intermittent True Same time as rain Same time as smaller hail