Station Overview Station Location
Station Number CA-MR-21 Latitude 37.940085
Station Name Larkspur 0.3 WSW Longitude -122.534727
County Marin Elevation (ft) 9



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 1.78 0.00 1 0.00 1 0.00 0 0 0 1 0.0 0 0
Nov 14 4.89 4.33 29 4.33 20 0.00 9 0 7 0 0.0 0 0
Dec 14 8.01 20.71 31 10.59 22 10.12 9 4 10 0 0.0 0 0
Jan 15 7.70 0.00 32 0.00 9 0.00 23 7 0 0 0.0 0 0
Feb 15 7.67 2.91 28 2.91 4 0.00 24 4 3 0 0.0 0 0
March 15 5.44 0.27 29 0.27 6 0.00 23 4 3 2 0.0 0 0
April 15 2.22 2.11 30 2.11 5 0.00 25 3 4 0 0.0 0 0
May 15 1.10 0.06 31 0.06 2 0.00 29 4 1 0 0.0 0 0
June 15 0.21 0.16 30 0.16 4 0.00 26 3 3 0 0.0 0 0
July 15 0.01 0.08 33 0.08 2 0.00 31 1 1 1 0.0 0 0
Aug 15 0.07 0.00 31 0.00 0 0.00 31 0 0 0 0.0 0 0
Sept 15 0.21 0.51 32 0.51 7 0.00 25 3 2 2 0.0 0 0
Water Year Totals: 39.31" 31.14" 337 days 21.02" 82 10.12" 255 days 33 34 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
10/1/2014
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
10/12/2014
10/13/2014
10/14/2014
10/15/2014
10/16/2014
10/17/2014
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014
10/23/2014
10/24/2014
10/25/2014
10/26/2014
10/27/2014
10/28/2014
10/29/2014
10/30/2014
10/31/2014 T
11/1/2014 0.32
11/2/2014 0.00
11/3/2014 0.00
11/4/2014 0.00
11/5/2014 0.00
11/6/2014 0.00
11/7/2014 0.00
11/8/2014 0.00
11/9/2014 0.00
11/10/2014 0.00
11/11/2014 0.00
11/12/2014 0.00
11/13/2014 0.31
11/14/2014 0.01
11/15/2014
11/16/2014 0.00
11/17/2014
11/18/2014 0.00
11/19/2014 0.09
11/20/2014 1.35
11/21/2014 1.25
11/22/2014 1.00 **
11/23/2014 **
11/24/2014 **
11/25/2014 **
11/26/2014 **
11/27/2014 **
11/28/2014 **
11/29/2014 **
11/30/2014 **
12/1/2014 2.27
12/2/2014 1.00
12/3/2014 2.30
12/4/2014 0.39
12/5/2014 0.30
12/6/2014 1.12
12/7/2014 0.00
12/8/2014 0.00
12/9/2014 0.00
12/10/2014 0.00
12/11/2014 **
12/12/2014 **
12/13/2014 M **
12/14/2014 **
12/15/2014 1.55
12/16/2014 3.15
12/17/2014 0.80
12/18/2014 **
12/19/2014 1.30
12/20/2014 1.45
12/21/2014 0.04
12/22/2014 0.00
12/23/2014
12/24/2014 0.00
12/25/2014 0.04
12/26/2014 0.00
12/27/2014 0.00
12/28/2014 0.00
12/29/2014 0.00
12/30/2014 0.00
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 0.00
1/4/2015 0.00
1/5/2015 0.00
1/6/2015 0.00
1/7/2015 0.00
1/8/2015 0.00
1/9/2015 **
1/10/2015 0.00
1/11/2015 **
1/12/2015 0.00
1/13/2015 **
1/14/2015 **
1/15/2015 **
1/16/2015 **
1/17/2015 0.00
1/18/2015 **
1/19/2015 0.00
1/20/2015 0.00
1/21/2015 **
1/22/2015 **
1/23/2015 **
1/24/2015 **
1/25/2015 0.00
1/26/2015 **
1/27/2015 **
1/28/2015 **
1/29/2015 **
1/30/2015 **
1/31/2015 0.00
2/1/2015 **
2/2/2015 **
2/3/2015 **
2/4/2015 0.00
2/5/2015 **
2/6/2015 0.00
2/7/2015 0.98
2/8/2015 0.08
2/9/2015 1.85
2/10/2015 **
2/11/2015 **
2/12/2015 **
2/13/2015 **
2/14/2015 0.00
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 0.00
2/28/2015 0.00
3/1/2015 T
3/2/2015 **
3/3/2015 **
3/4/2015 **
3/5/2015 **
3/6/2015 **
3/7/2015 0.00
3/8/2015 **
3/9/2015 **
3/10/2015 0.00
3/11/2015 0.03
3/12/2015 0.00
3/13/2015 **
3/14/2015 **
3/15/2015 **
3/16/2015 0.00
3/17/2015 0.02
3/18/2015 **
3/19/2015 **
3/20/2015 0.00
3/21/2015 T
3/22/2015
3/23/2015 0.22
3/24/2015
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 0.00
4/5/2015 0.00
4/6/2015 0.03
4/7/2015 1.16
4/8/2015 0.11
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 0.00
4/18/2015 **
4/19/2015 **
4/20/2015 **
4/21/2015 **
4/22/2015 **
4/23/2015 **
4/24/2015 0.00
4/25/2015 0.81
4/26/2015 **
4/27/2015 **
4/28/2015 **
4/29/2015 **
4/30/2015 **
5/1/2015 0.00
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 0.00
5/14/2015 0.06
5/15/2015 **
5/16/2015 **
5/17/2015 **
5/18/2015 **
5/19/2015 **
5/20/2015 **
5/21/2015 **
5/22/2015 0.00
5/23/2015 **
5/24/2015 **
5/25/2015 **
5/26/2015 **
5/27/2015 **
5/28/2015 **
5/29/2015 **
5/30/2015 0.00
5/31/2015 0.00
6/1/2015 0.02
6/2/2015 0.00
6/3/2015 **
6/4/2015 **
6/5/2015 **
6/6/2015 0.00
6/7/2015 **
6/8/2015 **
6/9/2015 0.00
6/10/2015 0.03
6/11/2015 0.11
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 0.00
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 **
7/4/2015 **
7/5/2015 **
7/6/2015 **
7/7/2015 **
7/8/2015 0.00
7/9/2015 **
7/10/2015 0.08 **
7/11/2015 T **
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 0.00
9/15/2015 0.06
9/16/2015 T
9/17/2015 0.45
9/18/2015 0.00
9/19/2015 **
9/20/2015 **
9/21/2015 0.00
9/22/2015 0.00
9/23/2015 **
9/24/2015 **
9/25/2015 **
9/26/2015 **
9/27/2015 **
9/28/2015 0.00
9/29/2015 0.00 **
9/30/2015 T **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/31/2014 7:00 AM T M M M M The ground was wet as a light rain started to fall.
11/1/2014 7:00 AM 0.32 M M M M
11/2/2014 7:00 AM 0.00 0.0 M M M Clear skies
11/3/2014 7:00 AM 0.00 0.0 M M M Clear and dry
11/4/2014 7:00 AM 0.00 0.0 M M M Clear skies.
11/5/2014 7:00 AM 0.00 0.0 M M M Clear and dry
11/6/2014 7:00 AM 0.00 0.0 M M M Clear and dry
11/7/2014 7:00 AM 0.00 0.0 M M M Fog
11/8/2014 7:00 AM 0.00 0.0 M M M Clear and dry
11/9/2014 7:00 AM 0.00 0.0 M M M
11/10/2014 7:00 AM 0.00 0.0 M M M
11/11/2014 7:00 AM 0.00 0.0 M M M Overcast
11/12/2014 7:00 AM 0.00 0.0 M M M High overcast
11/13/2014 7:00 AM 0.31 M M M M Overcast with misting rain
11/14/2014 7:00 AM 0.01 M M M M Clear skies
11/16/2014 7:00 AM 0.00 0.0 M M M
11/18/2014 7:00 AM 0.00 0.0 M M M
11/19/2014 6:00 PM 0.09 M M M M Heavy rain showers beginning early morning
11/20/2014 7:00 AM 1.35 M M M M
11/21/2014 7:00 AM 1.25 M M M M
11/22/2014 7:00 AM 1.00 M M M M
12/2/2014 7:00 AM 1.00 M M M M
12/3/2014 7:00 AM 2.30 M M M M
12/4/2014 7:00 AM 0.39 M M M M
12/5/2014 7:00 AM 0.30 M M M M
12/6/2014 7:00 AM 1.12 M M M M Fog
12/7/2014 7:00 AM 0.00 0.0 M M M
12/8/2014 7:00 AM 0.00 0.0 M M M
12/9/2014 7:00 AM 0.00 0.0 M M M
12/10/2014 7:00 AM 0.00 0.0 M M M
12/13/2014 7:00 AM M 0.0 M M M Edit: Changed to multi-day report
12/16/2014 7:00 AM 3.15 M M M M overcast
12/17/2014 7:00 AM 0.80 M M M M
12/20/2014 7:00 AM 1.45 M M M M
12/21/2014 7:00 AM 0.04 M M M M
12/22/2014 7:00 AM 0.00 0.0 M M M
12/24/2014 7:00 AM 0.00 0.0 M M M
12/25/2014 7:00 AM 0.04 M M M M
12/26/2014 7:00 AM 0.00 0.0 M M M
12/27/2014 7:00 AM 0.00 0.0 M M M
12/28/2014 7:00 AM 0.00 0.0 M M M
12/29/2014 7:00 AM 0.00 0.0 M M M
12/30/2014 7:00 AM 0.00 0.0 M M M
12/31/2014 7:00 AM 0.00 0.0 M M M
1/1/2015 7:00 AM 0.00 0.0 M M M
1/2/2015 7:00 AM 0.00 0.0 M M M
1/3/2015 7:00 AM 0.00 0.0 M M M
1/4/2015 7:00 AM 0.00 0.0 M M M
1/5/2015 7:00 AM 0.00 0.0 M M M
1/6/2015 7:00 AM 0.00 0.0 M M M
1/7/2015 7:00 AM 0.00 0.0 M M M
1/8/2015 7:00 AM 0.00 0.0 M M M
1/20/2015 7:00 AM 0.00 0.0 M M M Morning fog
2/7/2015 7:00 AM 0.98 M M M M Overcast.
2/8/2015 7:00 AM 0.08 M M M M Rain
2/9/2015 7:00 AM 1.85 M M M M
2/28/2015 7:00 AM 0.00 0.0 M M M
3/1/2015 7:00 AM T M M M M
3/11/2015 7:00 AM 0.03 M M M M
3/12/2015 7:00 AM 0.00 0.0 M M M
3/17/2015 7:00 AM 0.02 M M M M
3/21/2015 7:00 AM T M M M M
3/23/2015 7:00 AM 0.22 M M M M
4/5/2015 7:00 AM 0.00 0.0 M M M Overcast
4/6/2015 7:00 AM 0.03 M M M M
4/7/2015 7:00 AM 1.16 M M M M
4/8/2015 7:00 AM 0.11 M M M M
4/25/2015 7:00 AM 0.81 M M M M
5/14/2015 7:00 AM 0.06 M M M M
5/31/2015 7:00 AM 0.00 0.0 M M M
6/1/2015 7:00 AM 0.02 M M M M
6/2/2015 7:00 AM 0.00 0.0 M M M
6/10/2015 7:00 AM 0.03 M M M M Steady rainfall. No wind
6/11/2015 7:00 AM 0.11 M M M M
7/10/2015 7:00 AM 0.08 M M M M Light rain
7/11/2015 7:00 AM T M M M M
9/15/2015 7:00 AM 0.06 M M M M
9/16/2015 7:00 AM T M M M M
9/17/2015 7:00 AM 0.45 M M M M
9/18/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:00 AM 0.00 0.0 M M M
9/29/2015 7:00 AM 0.00 0.0 M M M
9/30/2015 7:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/22/2014 12/01/2014 7:00 AM 10 2.27 M M
12/11/2014 12/12/2014 7:09 AM 2 5.00 M M
12/12/2014 12/15/2014 7:00 AM 4 1.55 M M
12/18/2014 12/19/2014 7:00 AM 2 1.30 M M
1/9/2015 1/10/2015 7:00 AM 2 0.00 M M
1/11/2015 1/12/2015 7:00 AM 2 0.00 M M
1/13/2015 1/14/2015 7:00 AM 2 0.00 M M
1/14/2015 1/17/2015 7:00 AM 4 0.00 M M
1/18/2015 1/19/2015 12:00 AM 2 0.00 M M Morning fog
1/21/2015 1/25/2015 7:00 AM 5 0.00 M M
1/26/2015 1/31/2015 7:00 AM 6 0.00 M M
2/1/2015 2/04/2015 7:00 AM 4 0.00 M M
2/5/2015 2/06/2015 7:00 AM 2 0.00 M M
2/10/2015 2/14/2015 7:00 AM 5 0.00 M M
2/15/2015 2/27/2015 7:00 AM 13 0.00 M M
3/2/2015 3/07/2015 7:00 AM 6 0.00 M M
3/8/2015 3/10/2015 7:00 AM 3 0.00 M M
3/13/2015 3/16/2015 7:00 AM 4 0.00 M M
3/18/2015 3/20/2015 7:00 AM 3 0.00 M M
3/25/2015 4/04/2015 7:00 AM 11 0.00 M M
4/9/2015 4/17/2015 7:00 AM 9 0.00 M M
4/18/2015 4/24/2015 7:00 AM 7 0.00 M M
4/26/2015 5/01/2015 7:00 AM 6 0.00 M M
5/2/2015 5/13/2015 7:00 AM 12 0.00 M M
5/15/2015 5/22/2015 7:00 AM 8 0.00 M M
5/23/2015 5/30/2015 7:00 AM 8 0.00 M M
6/3/2015 6/06/2015 7:00 AM 4 0.00 M M
6/7/2015 6/09/2015 7:00 AM 3 0.00 M M
6/12/2015 6/22/2015 7:00 AM 11 0.00 M M
6/23/2015 7/08/2015 7:00 AM 16 0.00 M M
7/9/2015 9/14/2015 7:00 AM 68 0.00 M M
9/19/2015 9/21/2015 7:00 AM 3 0.00 M M
9/23/2015 9/28/2015 7:00 AM 6 0.00 M M The drought continues to show up in the amount of stressed trees showing pre-fall dead foliage As well as the dry grasses, etc. The ornamental pears are still showing signs of the blight which may have been brought on by the years of drought
9/29/2015 10/14/2015 7:00 AM 16 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