Station Overview Station Location
Station Number CA-NV-42 Latitude 39.107105255127
Station Name Grass Valley 8.3 SSE Longitude -121.008178710938
County Nevada Elevation (ft) 2182



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 17 2.37 0.71 31 0.71 1 0.00 30 1 1 0 0.0 0 0
Nov 17 5.86 10.11 29 9.62 23 0.49 6 3 12 0 0.0 0 0
Dec 17 8.50 0.78 28 0.78 28 0.00 0 0 2 0 0.0 0 0
Jan 18 7.62 8.66 29 7.07 21 1.59 8 2 12 1 0.0 0 0
Feb 18 7.93 0.62 28 0.62 19 0.00 9 2 2 1 0.0 0 0
March 18 7.17 14.22 29 10.57 23 3.65 6 3 13 0 0.0 0 0
April 18 3.54 4.85 30 4.85 24 0.00 6 2 6 1 0.0 0 0
May 18 1.92 0.65 30 0.38 16 0.27 14 3 2 1 0.0 0 0
June 18 0.57 0.00 30 0.00 0 0.00 30 1 0 0 0.0 0 0
July 18 0.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 0.13 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 0.70 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 46.33" 40.60" 264 days 34.60" 155 6.00" 109 days 17 50 days 4 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
10/1/2017 **
10/2/2017 **
10/3/2017 **
10/4/2017 **
10/5/2017 **
10/6/2017 **
10/7/2017 **
10/8/2017 **
10/9/2017 **
10/10/2017 **
10/11/2017 **
10/12/2017 **
10/13/2017 **
10/14/2017 **
10/15/2017 **
10/16/2017 **
10/17/2017 **
10/18/2017 **
10/19/2017 0.00
10/20/2017 0.71
10/21/2017 **
10/22/2017 **
10/23/2017 **
10/24/2017 **
10/25/2017 **
10/26/2017 **
10/27/2017 **
10/28/2017 **
10/29/2017 **
10/30/2017 **
10/31/2017 **
11/1/2017 **
11/2/2017 0.00
11/3/2017 0.06
11/4/2017 0.73
11/5/2017 **
11/6/2017 0.29
11/7/2017 0.00
11/8/2017 0.00
11/9/2017 1.22
11/10/2017 0.24
11/11/2017 **
11/12/2017 0.20
11/13/2017 0.00
11/14/2017 0.41
11/15/2017
11/16/2017 2.98
11/17/2017 2.34
11/18/2017 0.02
11/19/2017 0.00
11/20/2017 0.03
11/21/2017 0.28
11/22/2017 0.00
11/23/2017 0.00
11/24/2017 0.02
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 1.29
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017
12/3/2017 0.26
12/4/2017
12/5/2017 0.00
12/6/2017 0.00
12/7/2017
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.00
12/15/2017 0.00
12/16/2017 0.00
12/17/2017 0.00
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.52
12/21/2017 0.00
12/22/2017 0.00
12/23/2017 0.00
12/24/2017 0.00
12/25/2017 0.00
12/26/2017 0.00
12/27/2017 0.00
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 0.00
12/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.36
1/5/2018 0.00
1/6/2018 1.02
1/7/2018 0.00
1/8/2018 0.06
1/9/2018 2.86
1/10/2018 0.59
1/11/2018 0.13
1/12/2018 0.04
1/13/2018 0.01
1/14/2018 0.00
1/15/2018
1/16/2018 0.11
1/17/2018 0.00
1/18/2018
1/19/2018 **
1/20/2018 **
1/21/2018 **
1/22/2018 1.59
1/23/2018 0.26
1/24/2018 T
1/25/2018 1.02
1/26/2018 0.61
1/27/2018 **
1/28/2018 **
1/29/2018 **
1/30/2018 0.00
1/31/2018 0.00
2/1/2018 **
2/2/2018 0.00
2/3/2018 0.00
2/4/2018 0.00
2/5/2018 **
2/6/2018 **
2/7/2018 **
2/8/2018 **
2/9/2018 **
2/10/2018 **
2/11/2018 0.00
2/12/2018 T
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 0.00
2/17/2018 0.00
2/18/2018 0.00
2/19/2018 0.05
2/20/2018 0.00
2/21/2018 0.00
2/22/2018 0.00
2/23/2018 0.00
2/24/2018 0.00
2/25/2018 0.00
2/26/2018 0.57
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.60
3/2/2018 **
3/3/2018 1.84
3/4/2018 0.27
3/5/2018 0.01
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.13
3/9/2018 **
3/10/2018 0.02
3/11/2018
3/12/2018 0.00
3/13/2018 0.61
3/14/2018 2.81
3/15/2018 **
3/16/2018 1.79
3/17/2018 0.31
3/18/2018
3/19/2018 0.00
3/20/2018 0.00
3/21/2018 1.43
3/22/2018 2.91
3/23/2018 0.89
3/24/2018 0.34
3/25/2018 0.12
3/26/2018 0.14
3/27/2018 0.00
3/28/2018 0.00
3/29/2018 0.00
3/30/2018 0.00
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 0.00
4/3/2018 0.00
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 0.53
4/7/2018 3.43
4/8/2018 0.00
4/9/2018 0.00
4/10/2018 0.00
4/11/2018 0.01
4/12/2018 0.42
4/13/2018 0.01
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 0.45
4/17/2018 T
4/18/2018 0.00
4/19/2018 **
4/20/2018 **
4/21/2018 **
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 **
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 T
5/3/2018 **
5/4/2018 **
5/5/2018 **
5/6/2018 **
5/7/2018 **
5/8/2018 **
5/9/2018 **
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.00
5/13/2018 0.00
5/14/2018 0.00
5/15/2018 0.00
5/16/2018 0.00
5/17/2018 0.06
5/18/2018 **
5/19/2018 **
5/20/2018 **
5/21/2018 0.00
5/22/2018 0.32
5/23/2018 0.00
5/24/2018 0.00
5/25/2018 **
5/26/2018 0.27
5/27/2018
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 0.00
5/31/2018 0.00
6/1/2018 **
6/2/2018 **
6/3/2018 **
6/4/2018 **
6/5/2018 **
6/6/2018 **
6/7/2018 **
6/8/2018 **
6/9/2018 **
6/10/2018 **
6/11/2018 **
6/12/2018 **
6/13/2018 **
6/14/2018 **
6/15/2018 **
6/16/2018 **
6/17/2018 **
6/18/2018 **
6/19/2018 **
6/20/2018 **
6/21/2018 **
6/22/2018 **
6/23/2018 **
6/24/2018 **
6/25/2018 **
6/26/2018 **
6/27/2018 **
6/28/2018 **
6/29/2018 **
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018
8/16/2018
8/17/2018
8/18/2018
8/19/2018
8/20/2018
8/21/2018
8/22/2018
8/23/2018
8/24/2018
8/25/2018
8/26/2018
8/27/2018
8/28/2018
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/20/2017 7:00 AM 0.71 M M M M
11/3/2017 7:00 AM 0.06 M M M M
11/4/2017 8:40 AM 0.73 M M M M
11/7/2017 7:00 AM 0.00 0.0 M M M
11/8/2017 7:00 AM 0.00 0.0 M M M
11/9/2017 7:00 AM 1.22 M M M M
11/10/2017 7:00 AM 0.24 M M M M
11/13/2017 7:00 AM 0.00 0.0 M M M
11/14/2017 7:00 AM 0.41 M M M M
11/16/2017 7:00 AM 2.98 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
11/17/2017 7:00 AM 2.34 M M M M
11/18/2017 7:00 AM 0.02 M M M M
11/19/2017 7:00 AM 0.00 M M M M
11/20/2017 7:00 AM 0.03 M M M M
11/21/2017 7:00 AM 0.28 M M M M
11/22/2017 7:00 AM 0.00 M M M M
11/23/2017 7:00 AM 0.00 M M M M
11/24/2017 7:00 AM 0.02 M M M M
11/25/2017 7:00 AM 0.00 M M M M
11/26/2017 7:00 AM 0.00 M M M M
11/27/2017 7:00 AM 1.29 M M M M gauge became covered, so rain total is only partial of actual total
11/28/2017 7:00 AM 0.00 M M M M
11/29/2017 7:00 AM 0.00 M M M M
11/30/2017 7:00 AM 0.00 M M M M
12/1/2017 7:00 AM 0.00 M M M M
12/3/2017 7:00 AM 0.26 M M M M
12/5/2017 7:00 AM 0.00 M M M M
12/6/2017 7:00 AM 0.00 M M M M
12/8/2017 7:00 AM 0.00 M M M M
12/9/2017 7:00 AM 0.00 M M M M
12/10/2017 7:00 AM 0.00 M M M M
12/11/2017 7:00 AM 0.00 M M M M
12/12/2017 7:00 AM 0.00 M M M M
12/13/2017 7:00 AM 0.00 M M M M
12/14/2017 7:00 AM 0.00 M M M M
12/15/2017 7:00 AM 0.00 M M M M
12/16/2017 7:00 AM 0.00 M M M M
12/17/2017 7:00 AM 0.00 M M M M
12/18/2017 7:00 AM 0.00 M M M M
12/19/2017 7:00 AM 0.00 M M M M
12/20/2017 7:00 AM 0.52 M M M M
12/21/2017 7:00 AM 0.00 M M M M
12/22/2017 7:00 AM 0.00 M M M M
12/23/2017 7:00 AM 0.00 M M M M
12/24/2017 7:00 AM 0.00 M M M M
12/25/2017 7:00 AM 0.00 M M M M
12/26/2017 7:00 AM 0.00 M M M M
12/27/2017 7:00 AM 0.00 M M M M
12/28/2017 7:00 AM 0.00 M M M M
12/29/2017 7:00 AM 0.00 M M M M
12/30/2017 7:00 AM 0.00 M M M M
12/31/2017 7:00 AM 0.00 M M M M
1/1/2018 7:00 AM 0.00 M M M M
1/2/2018 7:00 AM 0.00 M M M M
1/3/2018 7:00 AM 0.00 M M M M
1/4/2018 7:00 AM 0.36 M M M M
1/5/2018 7:00 AM 0.00 M M M M
1/6/2018 4:53 PM 1.02 M M M M
1/7/2018 7:00 AM 0.00 M M M M
1/8/2018 7:36 AM 0.06 M M M M
1/9/2018 7:00 AM 2.86 M M M M
1/10/2018 7:00 AM 0.59 M M M M
1/11/2018 7:00 AM 0.13 M M M M
1/12/2018 7:00 AM 0.04 M M M M
1/13/2018 9:00 AM 0.01 M M M M
1/14/2018 7:00 AM 0.00 M M M M
1/16/2018 7:00 AM 0.11 M M M M
1/17/2018 7:00 AM 0.00 M M M M
1/23/2018 7:00 AM 0.26 M M M M
1/24/2018 7:00 AM T M M M M
1/25/2018 7:00 AM 1.02 M M M M
1/26/2018 7:00 AM 0.61 M M M M
1/31/2018 7:00 AM 0.00 M M M M
2/3/2018 7:00 AM 0.00 M M M M
2/4/2018 7:00 AM 0.00 M M M M
2/12/2018 7:00 AM T M M M M
2/13/2018 7:00 AM 0.00 M M M M
2/14/2018 7:00 AM 0.00 M M M M
2/15/2018 7:00 AM 0.00 M M M M
2/16/2018 7:00 AM 0.00 M M M M
2/17/2018 7:00 AM 0.00 M M M M
2/18/2018 7:00 AM 0.00 M M M M
2/19/2018 7:00 AM 0.05 M M M M
2/20/2018 7:00 AM 0.00 M M M M we rec'd very light snow beginning at 1pm on the 19 th, and continuing off and on until approx 3 pm.
2/21/2018 7:00 AM 0.00 M M M M
2/22/2018 7:00 AM 0.00 M M M M
2/23/2018 7:00 AM 0.00 M M M M received a dusting of snow last night. Woke up this morning to a dusting of snow, which melted completely by 9
2/24/2018 7:00 AM 0.00 M M M M
2/25/2018 7:00 AM 0.00 M M M M
2/26/2018 7:00 AM 0.57 M M M M
2/27/2018 7:00 AM 0.00 M M M M
2/28/2018 7:00 AM 0.00 M M M M
3/1/2018 7:00 AM 0.60 M M M M
3/4/2018 7:00 AM 0.27 M M M M
3/5/2018 7:00 AM 0.01 M M M M
3/6/2018 7:00 AM 0.00 M M M M
3/7/2018 7:00 AM 0.00 M M M M
3/8/2018 7:00 AM 0.13 M M M M
3/12/2018 7:00 AM 0.00 M M M M
3/13/2018 7:00 AM 0.61 M M M M
3/14/2018 7:00 AM 2.81 M M M M
3/17/2018 7:00 AM 0.31 M M M M
3/19/2018 7:00 AM 0.00 M M M M
3/20/2018 7:00 AM 0.00 M M M M
3/21/2018 7:00 AM 1.43 M M M M
3/22/2018 7:41 AM 2.91 M M M M
3/23/2018 7:00 AM 0.89 M M M M
3/24/2018 7:00 AM 0.34 M M M M
3/25/2018 7:00 AM 0.12 M M M M
3/26/2018 7:00 AM 0.14 M M M M
3/27/2018 7:00 AM 0.00 M M M M
3/28/2018 7:00 AM 0.00 M M M M
3/29/2018 7:00 AM 0.00 M M M M
3/30/2018 7:00 AM 0.00 M M M M
3/31/2018 7:00 AM 0.00 M M M M
4/1/2018 7:00 AM 0.00 M M M M
4/2/2018 7:00 AM 0.00 M M M M
4/3/2018 7:00 AM 0.00 M M M M
4/4/2018 7:00 AM 0.00 M M M M
4/5/2018 7:00 AM 0.00 M M M M
4/6/2018 7:00 AM 0.53 M M M M
4/7/2018 7:00 AM 3.43 M M M M
4/8/2018 7:00 AM 0.00 M M M M
4/9/2018 7:00 AM 0.00 M M M M
4/10/2018 7:00 AM 0.00 M M M M
4/11/2018 7:00 AM 0.01 M M M M
4/12/2018 7:00 AM 0.42 M M M M
4/13/2018 7:00 AM 0.01 M M M M
4/14/2018 7:00 AM 0.00 M M M M
4/15/2018 7:00 AM 0.00 M M M M
4/16/2018 7:00 AM 0.45 M M M M
4/17/2018 7:00 AM T T M M M snow about 11:30 any, starting to stick about noon. by 1:00 pm no longer snowing and was melted.
4/18/2018 7:00 AM 0.00 M M M M
4/23/2018 7:00 AM 0.00 M M M M
4/24/2018 7:00 AM 0.00 M M M M
4/25/2018 7:00 AM 0.00 M M M M
4/26/2018 7:00 AM 0.00 M M M M
4/29/2018 7:00 AM 0.00 M M M M
4/30/2018 7:00 AM 0.00 M M M M
5/1/2018 7:00 AM 0.00 M M M M
5/2/2018 7:00 AM T M M M M
5/11/2018 7:00 AM 0.00 M M M M
5/12/2018 7:00 AM 0.00 M M M M
5/13/2018 7:00 AM 0.00 M M M M
5/14/2018 7:00 AM 0.00 M M M M
5/15/2018 7:00 AM 0.00 M M M M
5/16/2018 7:00 AM 0.00 M M M M
5/17/2018 7:00 AM 0.06 M M M M
5/22/2018 7:00 AM 0.32 M M M M
5/23/2018 7:00 AM 0.00 M M M M
5/24/2018 7:00 AM 0.00 M M M M
5/28/2018 7:00 AM 0.00 M M M M
5/29/2018 7:00 AM 0.00 M M M M
5/30/2018 7:00 AM 0.00 M M M M
5/31/2018 7:00 AM 0.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/22/2017 10/19/2017 7:00 AM 28 0.00 M M
10/21/2017 11/02/2017 7:00 AM 13 0.00 M M
11/5/2017 11/06/2017 7:00 AM 2 0.29 M M
11/11/2017 11/12/2017 7:00 AM 2 0.20 M M
1/19/2018 1/22/2018 7:00 AM 4 1.59 M M
1/27/2018 1/30/2018 7:00 AM 4 0.00 M M
2/1/2018 2/02/2018 7:00 AM 2 0.00 M M
2/5/2018 2/11/2018 7:00 AM 7 0.00 M M
3/2/2018 3/03/2018 7:00 AM 2 1.84 0.5 M
3/9/2018 3/10/2018 7:00 AM 2 0.02 M M
3/15/2018 3/16/2018 7:00 AM 2 1.79 M M
4/19/2018 4/22/2018 7:00 AM 4 0.00 M M
4/27/2018 4/28/2018 7:00 AM 2 0.00 M M
5/3/2018 5/10/2018 7:00 AM 8 0.00 M M
5/18/2018 5/21/2018 7:00 AM 4 0.00 M M
5/25/2018 5/26/2018 7:00 AM 2 0.27 M M
6/1/2018 6/30/2018 7:00 AM 30 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