Station Overview Station Location
Station Number CA-SM-5 Latitude 37.476568
Station Name Menlo Park 2.4 W Longitude -122.187052
County San Mateo Elevation (ft) 25



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 0.82 2.64 29 2.64 10 0.00 19 2 8 0 0.0 0 0
Nov 16 2.01 0.90 30 0.90 14 0.00 16 1 6 0 0.0 0 0
Dec 16 3.41 2.53 31 2.53 11 0.00 20 3 6 0 0.0 0 0
Jan 17 3.61 8.03 31 8.03 18 0.00 13 2 15 0 0.0 0 0
Feb 17 3.63 4.95 23 4.95 17 0.00 6 1 10 0 0.0 0 0
March 17 2.76 2.47 30 2.47 13 0.00 17 2 6 0 0.0 0 0
April 17 1.13 1.61 39 1.61 12 0.00 27 3 7 0 0.0 0 0
May 17 0.47 0.00 31 0.00 0 0.00 31 0 0 0 0.0 0 0
June 17 0.10 0.00 48 0.00 4 0.00 44 1 0 0 0.0 0 0
July 17 0.01 0.00 46 0.00 0 0.00 46 1 0 0 0.0 0 0
Aug 17 0.04 0.00 31 0.00 1 0.00 30 1 0 0 0.0 0 0
Sept 17 0.13 0.12 30 0.12 1 0.00 29 1 1 0 0.0 0 0
Water Year Totals: 18.12" 23.25" 399 days 23.25" 101 0.00" 298 days 18 59 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 **
10/10/2016 **
10/11/2016 **
10/12/2016 **
10/13/2016 0.00
10/14/2016 0.35
10/15/2016 0.28
10/16/2016 0.94
10/17/2016 0.04
10/18/2016 **
10/19/2016 **
10/20/2016 **
10/21/2016 **
10/22/2016 **
10/23/2016 0.00
10/24/2016 0.04
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.44
10/28/2016 0.31
10/29/2016
10/30/2016 0.24
10/31/2016 M
11/1/2016 0.12
11/2/2016 0.00
11/3/2016 **
11/4/2016 **
11/5/2016 **
11/6/2016 **
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 **
11/17/2016 **
11/18/2016 0.00
11/19/2016 0.07
11/20/2016 0.16
11/21/2016 0.00
11/22/2016 0.00
11/23/2016 0.08
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.31
11/27/2016 0.16
11/28/2016 0.00
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 **
12/2/2016 **
12/3/2016 **
12/4/2016 **
12/5/2016 **
12/6/2016 0.00
12/7/2016 0.17
12/8/2016 0.31
12/9/2016 0.00
12/10/2016 0.59
12/11/2016 0.04
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 0.83
12/16/2016 **
12/17/2016 **
12/18/2016 **
12/19/2016 **
12/20/2016 **
12/21/2016 **
12/22/2016 0.00
12/23/2016 0.59
12/24/2016 **
12/25/2016 **
12/26/2016 **
12/27/2016 **
12/28/2016 **
12/29/2016 **
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.00
1/2/2017 0.04
1/3/2017 0.87
1/4/2017 0.83
1/5/2017 0.00
1/6/2017 0.00
1/7/2017 0.38
1/8/2017 1.14
1/9/2017 0.24
1/10/2017 1.18
1/11/2017 0.04
1/12/2017 0.24
1/13/2017 **
1/14/2017 **
1/15/2017 **
1/16/2017 **
1/17/2017 0.00
1/18/2017 0.83
1/19/2017 0.24
1/20/2017 0.98
1/21/2017 0.16
1/22/2017 0.51
1/23/2017 0.35
1/24/2017 **
1/25/2017 **
1/26/2017 **
1/27/2017 **
1/28/2017 **
1/29/2017 **
1/30/2017 **
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 0.04
2/3/2017 0.31
2/4/2017 0.00
2/5/2017 0.27
2/6/2017 0.39
2/7/2017 0.83
2/8/2017
2/9/2017
2/10/2017 M
2/11/2017 0.00
2/12/2017 0.00
2/13/2017 M
2/14/2017 M
2/15/2017 0.00
2/16/2017 0.24
2/17/2017 0.63
2/18/2017 0.12
2/19/2017 0.00
2/20/2017 1.77
2/21/2017 0.35
2/22/2017 **
2/23/2017 **
2/24/2017 **
2/25/2017 **
2/26/2017 0.00
2/27/2017 0.00
2/28/2017 **
3/1/2017 **
3/2/2017 **
3/3/2017 0.00
3/4/2017 0.24
3/5/2017 0.31
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 0.00
3/20/2017 0.62
3/21/2017 0.20
3/22/2017 0.59
3/23/2017 0.00
3/24/2017 0.51
3/25/2017 0.00
3/26/2017 0.00
3/27/2017 0.00
3/28/2017 0.00
3/29/2017 0.00
3/30/2017 0.00
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017 **
4/2/2017 **
4/3/2017 **
4/4/2017 **
4/5/2017 0.00
4/6/2017 0.82
4/7/2017 0.32
4/8/2017 0.08
4/9/2017 **
4/10/2017 **
4/11/2017 0.00
4/12/2017 0.04
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.04
4/16/2017 0.00
4/17/2017 0.15
4/18/2017 0.00
4/19/2017 0.00
4/20/2017 0.16
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 0.00
6/8/2017 0.00
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
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 0.00
8/4/2017 0.00
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 0.00
9/11/2017 0.12
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
10/14/2016 7:00 AM 0.35 M M M M
10/15/2016 7:00 AM 0.28 M M M M
10/16/2016 7:00 AM 0.94 M M M M
10/17/2016 7:00 AM 0.04 M M M M
10/24/2016 7:00 AM 0.04 M M M M
10/25/2016 7:00 AM 0.00 0.0 M M M
10/26/2016 7:00 AM 0.00 0.0 M M M
10/27/2016 7:00 AM 0.44 M M M M
10/28/2016 7:00 AM 0.31 M M M M
10/30/2016 7:00 AM 0.24 M M M M
10/31/2016 7:00 AM M 0.0 M M M {EDIT: Observer reported 0.00 of new precip. QPE data and surrounding reports of 0.36 to 0.53 indicate this could be a date error. 0.00 matches better with reports in the area on the previous day, looks like 10/30 and 10/31 reports were switched when they were submitted. Changed report of 0.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 11/02/2016 11:23 AM CoCoSTAFF DNT}
11/1/2016 7:00 AM 0.12 M M M M
11/2/2016 7:00 AM 0.00 0.0 M M M
11/19/2016 7:00 AM 0.07 M M M M
11/20/2016 7:00 AM 0.16 M M M M
11/21/2016 7:00 AM 0.00 0.0 M M M
11/22/2016 7:00 AM 0.00 0.0 M M M
11/23/2016 7:00 AM 0.08 M M M M
11/24/2016 7:00 AM 0.00 0.0 M M M
11/25/2016 7:00 AM 0.00 0.0 M M M
11/26/2016 7:00 AM 0.31 M M M M
11/27/2016 7:00 AM 0.16 M M M M
11/28/2016 7:00 AM 0.00 0.0 M M M
11/29/2016 7:00 AM 0.00 0.0 M M M
11/30/2016 7:00 AM 0.00 0.0 M M M Trace
12/7/2016 7:00 AM 0.17 M M M M
12/8/2016 7:00 AM 0.31 M M M M
12/9/2016 7:00 AM 0.00 0.0 M M M Trace
12/10/2016 7:00 AM 0.59 M M M M
12/11/2016 7:00 AM 0.04 M M M M
12/12/2016 7:00 AM 0.00 0.0 M M M
12/13/2016 7:00 AM 0.00 0.0 M M M Trace
12/14/2016 7:00 AM 0.00 0.0 M M M
12/15/2016 7:00 AM 0.83 M M M M
12/23/2016 7:00 AM 0.59 M M M M
12/31/2016 7:00 AM 0.00 0.0 M M M Trace
1/1/2017 7:00 AM 0.00 0.0 M M M Trace
1/2/2017 7:00 AM 0.04 M M M M
1/3/2017 7:00 AM 0.87 M M M M
1/4/2017 7:00 AM 0.83 M M M M
1/5/2017 7:00 AM 0.00 0.0 M M M
1/6/2017 7:00 AM 0.00 0.0 M M M Trace
1/7/2017 7:00 AM 0.38 M M M M
1/8/2017 7:00 AM 1.14 M M M M
1/9/2017 7:00 AM 0.24 M M M M
1/10/2017 7:00 AM 1.18 M M M M
1/11/2017 7:00 AM 0.04 M M M M
1/12/2017 7:00 AM 0.24 M M M M
1/18/2017 7:00 AM 0.83 M M M M
1/19/2017 7:00 AM 0.24 M M M M
1/20/2017 7:00 AM 0.98 M M M M
1/21/2017 7:00 AM 0.16 M M M M
1/22/2017 7:00 AM 0.51 M M M M
1/23/2017 7:00 AM 0.35 M M M M Pea size hail with rain. Did not last long. one AM shower.
2/1/2017 7:00 AM 0.00 0.0 M M M
2/2/2017 7:00 AM 0.04 M M M M
2/3/2017 7:00 AM 0.31 M M M M
2/4/2017 7:00 AM 0.00 0.0 M M M
2/5/2017 7:00 AM 0.27 M M M M
2/6/2017 7:00 AM 0.39 M M M M
2/7/2017 7:00 AM 0.83 M M M M
2/10/2017 7:00 AM M M M M M {EDIT: Observer reported 0.07 of new precip. QPE data and surrounding reports in the 1.00's indicate this could be a date error. Changed report of 0.07 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/14/2017 7:41 PM CoCoSTAFF DNT}
2/11/2017 7:00 AM 0.00 0.0 M M M
2/12/2017 7:00 AM 0.00 0.0 M M M
2/13/2017 7:00 AM M M M M M {EDIT: Observer reported 1.02 of new precip. QPE data and surrounding reports of 0.00's indicate this could be a date error. Changed report of 1.02 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/14/2017 7:41 PM CoCoSTAFF DNT}
2/14/2017 7:00 AM M M M M M {EDIT: Observer reported 0.15 of new precip. QPE data and surrounding reports of 0.00's indicate this could be a date error. Changed report of 0.15 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/14/2017 7:41 PM CoCoSTAFF DNT}
2/15/2017 7:00 AM 0.00 0.0 M M M
2/16/2017 7:00 AM 0.24 M M M M
2/17/2017 7:00 AM 0.63 0.0 M M M
2/18/2017 7:00 AM 0.12 M M M M
2/19/2017 7:00 AM 0.00 0.0 M M M
2/20/2017 7:00 AM 1.77 M M M M
2/21/2017 7:00 AM 0.35 M M M M
2/27/2017 7:00 AM 0.00 0.0 M M M Trace
3/4/2017 7:00 AM 0.24 M M M M
3/5/2017 7:00 AM 0.31 M M M M
3/20/2017 7:00 AM 0.62 M M M M
3/21/2017 7:00 AM 0.20 M M M M
3/22/2017 7:00 AM 0.59 M M M M
3/23/2017 7:00 AM 0.00 0.0 M M M
3/24/2017 7:00 AM 0.51 M M M M
3/25/2017 7:00 AM 0.00 0.0 M M M
3/26/2017 7:00 AM 0.00 0.0 M M M Trace
3/27/2017 7:00 AM 0.00 0.0 M M M
3/28/2017 7:00 AM 0.00 0.0 M M M
3/29/2017 7:00 AM 0.00 0.0 M M M
3/30/2017 7:00 AM 0.00 0.0 M M M
4/6/2017 7:00 AM 0.82 M M M M
4/7/2017 7:00 AM 0.32 M M M M
4/8/2017 7:00 AM 0.08 M M M M
4/12/2017 7:00 AM 0.04 M M M M
4/13/2017 7:00 AM 0.00 0.0 M M M Trace
4/14/2017 7:00 AM 0.00 0.0 M M M
4/15/2017 7:00 AM 0.04 M M M M
4/16/2017 7:00 AM 0.00 0.0 M M M Trace
4/17/2017 7:00 AM 0.15 M M M M
4/18/2017 7:00 AM 0.00 0.0 M M M
4/19/2017 7:00 AM 0.00 0.0 M M M Trace
4/20/2017 7:00 AM 0.16 M M M M
6/8/2017 7:00 AM 0.00 0.0 M M M Trace
6/9/2017 7:00 AM 0.00 0.0 M M M Trace of mist
6/10/2017 7:00 AM 0.00 0.0 M M M
6/11/2017 7:00 AM 0.00 0.0 M M M
8/4/2017 7:00 AM 0.00 0.0 M M M Trace. Several times. Very brief "drops" of water.
9/11/2017 7:00 AM 0.12 M M M M Lighting/thunder. 1,200 hits reported locally. One hit across street from us. No power for 12-hours.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/4/2016 10/13/2016 7:00 AM 40 0.00 M M Still high fire danger; very dry
10/18/2016 10/23/2016 7:00 AM 6 0.00 M M
11/3/2016 11/18/2016 7:00 AM 16 0.00 M M
12/1/2016 12/06/2016 7:00 AM 6 0.00 M M
12/16/2016 12/22/2016 7:00 AM 7 0.00 M M
12/24/2016 12/30/2016 7:00 AM 7 0.00 M M
1/13/2017 1/17/2017 7:00 AM 5 0.00 M M
1/24/2017 1/31/2017 7:00 AM 8 0.00 M M
2/22/2017 2/26/2017 7:00 AM 5 0.00 M M
2/28/2017 3/03/2017 7:00 AM 4 0.00 M M
3/6/2017 3/19/2017 7:00 AM 14 0.00 M M
4/1/2017 4/05/2017 7:00 AM 5 0.00 M M
4/9/2017 4/11/2017 7:00 AM 3 0.00 M M
4/21/2017 4/30/2017 7:00 AM 10 0.00 M M
4/22/2017 6/07/2017 7:00 AM 47 0.00 M M
6/12/2017 7/15/2017 7:00 AM 34 0.00 M M
6/13/2017 8/03/2017 7:00 AM 52 0.00 M M
8/5/2017 9/10/2017 7:00 AM 37 0.00 M M
9/12/2017 10/18/2017 7:00 AM 37 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