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 18 2.37 0.88 28 0.88 4 0.00 24 1 2 0 0.0 0 0
Nov 18 5.86 8.41 30 8.41 9 0.00 21 1 8 0 0.0 0 0
Dec 18 8.50 4.50 31 2.18 25 2.32 6 3 7 0 0.0 0 0
Jan 19 7.62 10.68 31 9.20 22 1.48 9 3 10 0 0.0 0 0
Feb 19 7.93 16.40 27 11.45 15 4.95 12 4 10 0 0.0 0 0
March 19 7.17 7.41 29 5.29 18 2.12 11 5 15 0 0.0 0 0
April 19 3.54 2.36 29 2.35 14 0.01 15 3 8 0 0.0 0 0
May 19 1.92 6.51 29 2.32 8 4.19 21 3 6 0 0.0 0 0
June 19 0.57 0.24 29 0.24 10 0.00 19 0 2 0 0.0 0 0
July 19 0.02 0.00 31 0.00 0 0.00 31 1 0 0 0.0 0 0
Aug 19 0.13 0.00 31 0.00 0 0.00 31 1 0 0 0.0 0 0
Sept 19 0.70 2.54 30 2.54 23 0.00 7 2 5 0 0.0 0 0
Water Year Totals: 46.33" 59.93" 355 days 44.86" 148 15.07" 207 days 27 73 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
10/1/2018
10/2/2018
10/3/2018
10/4/2018 0.62
10/5/2018 0.26
10/6/2018 0.00
10/7/2018 **
10/8/2018 0.00
10/9/2018 0.00
10/10/2018 **
10/11/2018 **
10/12/2018 **
10/13/2018 **
10/14/2018 **
10/15/2018 **
10/16/2018 **
10/17/2018 **
10/18/2018 **
10/19/2018 **
10/20/2018 **
10/21/2018 **
10/22/2018 **
10/23/2018 **
10/24/2018 **
10/25/2018 **
10/26/2018 **
10/27/2018 **
10/28/2018 **
10/29/2018 **
10/30/2018 **
10/31/2018 **
11/1/2018 **
11/2/2018 **
11/3/2018 **
11/4/2018 **
11/5/2018 **
11/6/2018 **
11/7/2018 **
11/8/2018 **
11/9/2018 **
11/10/2018 **
11/11/2018 **
11/12/2018 **
11/13/2018 **
11/14/2018 **
11/15/2018 **
11/16/2018 **
11/17/2018 **
11/18/2018 **
11/19/2018 **
11/20/2018 **
11/21/2018 0.00
11/22/2018 1.94
11/23/2018 1.71
11/24/2018 1.76
11/25/2018 0.15
11/26/2018 0.01
11/27/2018 0.00
11/28/2018 0.36
11/29/2018 1.30
11/30/2018 1.18
12/1/2018 0.37
12/2/2018 0.23
12/3/2018 0.00
12/4/2018 0.00
12/5/2018 **
12/6/2018 0.22
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.01
12/11/2018 0.01
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.00
12/15/2018 0.01
12/16/2018 0.00
12/17/2018 1.25
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.00
12/21/2018 0.30
12/22/2018 **
12/23/2018 0.40
12/24/2018 **
12/25/2018 1.70
12/26/2018 0.00
12/27/2018 0.00
12/28/2018 0.00
12/29/2018 0.00
12/30/2018 0.00
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.00
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.00
1/6/2019 0.51
1/7/2019 2.10
1/8/2019 0.20
1/9/2019 0.36
1/10/2019 1.18
1/11/2019 0.00
1/12/2019 0.00
1/13/2019 0.00
1/14/2019 0.00
1/15/2019 0.21
1/16/2019 1.87
1/17/2019 2.10
1/18/2019 0.62
1/19/2019 0.05
1/20/2019 **
1/21/2019 1.48
1/22/2019 0.00
1/23/2019 **
1/24/2019 **
1/25/2019 0.00
1/26/2019 0.00
1/27/2019 **
1/28/2019 **
1/29/2019 **
1/30/2019 0.00
1/31/2019 0.00
2/1/2019 **
2/2/2019 **
2/3/2019 **
2/4/2019 3.42
2/5/2019 **
2/6/2019 0.41
2/7/2019 M
2/8/2019 0.00
2/9/2019 0.33
2/10/2019 **
2/11/2019 **
2/12/2019 1.12
2/13/2019 0.94
2/14/2019 2.56
2/15/2019 0.73
2/16/2019 0.55
2/17/2019 **
2/18/2019 **
2/19/2019 M
2/20/2019 0.72
2/21/2019 0.00
2/22/2019 0.27
2/23/2019 0.00
2/24/2019 0.00
2/25/2019 0.00
2/26/2019 2.73
2/27/2019 1.76
2/28/2019 0.86
3/1/2019 0.04
3/2/2019 0.26
3/3/2019 0.90
3/4/2019 0.40
3/5/2019 0.01
3/6/2019 **
3/7/2019 1.78
3/8/2019 0.26
3/9/2019 **
3/10/2019 0.09
3/11/2019 0.16
3/12/2019 **
3/13/2019 **
3/14/2019 0.00
3/15/2019
3/16/2019 **
3/17/2019 0.00
3/18/2019
3/19/2019 0.00
3/20/2019 0.30
3/21/2019 0.27
3/22/2019 0.01
3/23/2019 1.27
3/24/2019 0.12
3/25/2019 0.00
3/26/2019 0.58
3/27/2019 0.21
3/28/2019 0.50
3/29/2019 **
3/30/2019 0.25
3/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.59
4/3/2019 0.24
4/4/2019 0.01
4/5/2019 0.00
4/6/2019 0.43
4/7/2019
4/8/2019 0.00
4/9/2019 0.50
4/10/2019 0.01
4/11/2019 0.00
4/12/2019 **
4/13/2019 0.00
4/14/2019 0.00
4/15/2019 0.00
4/16/2019 0.54
4/17/2019 0.03
4/18/2019 **
4/19/2019 **
4/20/2019 **
4/21/2019 **
4/22/2019 **
4/23/2019 **
4/24/2019 **
4/25/2019 **
4/26/2019 **
4/27/2019 **
4/28/2019 0.00
4/29/2019 **
4/30/2019 0.01
5/1/2019 0.00
5/2/2019 0.00
5/3/2019 **
5/4/2019 **
5/5/2019 **
5/6/2019 **
5/7/2019 **
5/8/2019 **
5/9/2019 **
5/10/2019 **
5/11/2019 **
5/12/2019 **
5/13/2019 **
5/14/2019 **
5/15/2019 **
5/16/2019 **
5/17/2019 **
5/18/2019 **
5/19/2019 3.70
5/20/2019 0.17
5/21/2019 0.38
5/22/2019 **
5/23/2019 0.38
5/24/2019 1.18
5/25/2019 0.01
5/26/2019 0.45
5/27/2019 **
5/28/2019 0.11
5/29/2019
5/30/2019
5/31/2019 0.13
6/1/2019 0.03
6/2/2019 0.21
6/3/2019 0.00
6/4/2019 0.00
6/5/2019 0.00
6/6/2019 0.00
6/7/2019 0.00
6/8/2019 0.00
6/9/2019 0.00
6/10/2019
6/11/2019 0.00
6/12/2019 **
6/13/2019 **
6/14/2019 **
6/15/2019 **
6/16/2019 **
6/17/2019 **
6/18/2019 **
6/19/2019 **
6/20/2019 **
6/21/2019 **
6/22/2019 **
6/23/2019 **
6/24/2019 **
6/25/2019 **
6/26/2019 **
6/27/2019 **
6/28/2019 **
6/29/2019 **
6/30/2019 **
Day of YearDaily PrcpMultiday Prcp
7/1/2019 **
7/2/2019 **
7/3/2019 **
7/4/2019 **
7/5/2019 **
7/6/2019 **
7/7/2019 **
7/8/2019 **
7/9/2019 **
7/10/2019 **
7/11/2019 **
7/12/2019 0.00
7/13/2019 **
7/14/2019 **
7/15/2019 **
7/16/2019 **
7/17/2019 **
7/18/2019 **
7/19/2019 **
7/20/2019 **
7/21/2019 **
7/22/2019 **
7/23/2019 **
7/24/2019 **
7/25/2019 **
7/26/2019 **
7/27/2019 **
7/28/2019 **
7/29/2019 **
7/30/2019 **
7/31/2019 **
8/1/2019 **
8/2/2019 **
8/3/2019 **
8/4/2019 **
8/5/2019 **
8/6/2019 **
8/7/2019 **
8/8/2019 **
8/9/2019 **
8/10/2019 **
8/11/2019 **
8/12/2019 **
8/13/2019 0.00
8/14/2019 **
8/15/2019 **
8/16/2019 **
8/17/2019 **
8/18/2019 **
8/19/2019 **
8/20/2019 **
8/21/2019 **
8/22/2019 **
8/23/2019 **
8/24/2019 **
8/25/2019 **
8/26/2019 **
8/27/2019 **
8/28/2019 **
8/29/2019 **
8/30/2019 **
8/31/2019 **
9/1/2019 **
9/2/2019 **
9/3/2019 **
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 **
9/7/2019 **
9/8/2019 0.00
9/9/2019 0.00
9/10/2019 0.00
9/11/2019 0.00
9/12/2019 0.00
9/13/2019 0.00
9/14/2019 0.00
9/15/2019 0.00
9/16/2019 0.00
9/17/2019 1.09
9/18/2019 0.00
9/19/2019 0.30
9/20/2019 0.01
9/21/2019 0.00
9/22/2019 0.00
9/23/2019 0.00
9/24/2019 0.00
9/25/2019 0.00
9/26/2019 0.00
9/27/2019 0.00
9/28/2019 0.00
9/29/2019 0.74
9/30/2019 0.40



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2018 7:00 AM 0.62 M M M M
10/5/2018 7:00 AM 0.26 M M M M
10/6/2018 7:00 AM 0.00 M M M M
10/9/2018 7:00 AM 0.00 M M M M
11/22/2018 7:00 AM 1.94 M M M M
11/23/2018 11:33 AM 1.71 M M M M
11/24/2018 8:02 AM 1.76 M M M M
11/25/2018 7:00 AM 0.15 M M M M
11/26/2018 7:00 AM 0.01 M M M M
11/27/2018 7:00 AM 0.00 M M M M
11/28/2018 7:00 AM 0.36 M M M M
11/29/2018 7:00 AM 1.30 M M M M
11/30/2018 7:00 AM 1.18 M M M M
12/1/2018 7:00 AM 0.37 M M M M
12/2/2018 7:00 AM 0.23 M M M M
12/3/2018 7:00 AM 0.00 M M M M
12/4/2018 7:00 AM 0.00 M M M M
12/7/2018 7:00 AM 0.00 M M M M
12/8/2018 7:00 AM 0.00 M M M M
12/9/2018 7:00 AM 0.00 M M M M
12/10/2018 7:00 AM 0.01 M M M M
12/11/2018 7:00 AM 0.01 M M M M
12/12/2018 7:00 AM 0.00 M M M M
12/13/2018 7:00 AM 0.00 M M M M
12/14/2018 7:00 AM 0.00 M M M M
12/15/2018 7:00 AM 0.01 M M M M
12/16/2018 7:00 AM 0.00 M M M M
12/17/2018 7:00 AM 1.25 M M M M
12/18/2018 7:00 AM 0.00 M M M M
12/19/2018 7:00 AM 0.00 M M M M
12/20/2018 7:00 AM 0.00 M M M M
12/21/2018 7:48 AM 0.30 M M M M
12/26/2018 7:00 AM 0.00 M M M M
12/27/2018 7:00 AM 0.00 M M M M
12/28/2018 7:00 AM 0.00 M M M M
12/29/2018 7:00 AM 0.00 M M M M
12/30/2018 7:00 AM 0.00 M M M M
12/31/2018 7:00 AM 0.00 M M M M
1/1/2019 7:00 AM 0.00 M M M M
1/2/2019 7:00 AM 0.00 M M M M
1/3/2019 7:00 AM 0.00 M M M M
1/4/2019 7:00 AM 0.00 M M M M
1/5/2019 7:00 AM 0.00 M M M M
1/6/2019 7:00 AM 0.51 M M M M
1/7/2019 7:00 AM 2.10 M M M M
1/8/2019 7:00 AM 0.20 M M M M
1/9/2019 7:00 AM 0.36 M M M M
1/10/2019 7:00 AM 1.18 M M M M
1/11/2019 7:00 AM 0.00 M M M M
1/12/2019 7:00 AM 0.00 M M M M
1/13/2019 7:00 AM 0.00 M M M M
1/14/2019 7:00 AM 0.00 M M M M
1/15/2019 7:00 AM 0.21 M M M M
1/16/2019 7:00 AM 1.87 M M M M
1/17/2019 7:00 AM 2.10 M M M M
1/18/2019 7:00 AM 0.62 M M M M
1/19/2019 7:00 AM 0.05 M M M M
1/22/2019 7:00 AM 0.00 M M M M
1/26/2019 7:00 AM 0.00 M M M M
1/31/2019 7:00 AM 0.00 M M M M
2/7/2019 7:00 AM M M M M M {EDIT: Observer reported 0.48 for new precip. Surrounding reports of 0.00's indicate this could be a multi-day report or date error. Changed report of 0.48 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/07/2019 9:28 AM CoCoSTAFF DNT}
2/8/2019 7:00 AM 0.00 M M M M
2/9/2019 10:57 AM 0.33 M M M M
2/13/2019 7:26 AM 0.94 M M M M
2/14/2019 7:00 AM 2.56 M M M M
2/15/2019 7:00 AM 0.73 M M M M hail
2/16/2019 7:00 AM 0.55 M M M M
2/20/2019 7:00 AM 0.72 M M M M rain, and snow melt
2/21/2019 7:00 AM 0.00 M M M M
2/22/2019 7:00 AM 0.27 M M M M mostly from snow melt
2/23/2019 7:00 AM 0.00 M M M M
2/24/2019 7:00 AM 0.00 M M M M
2/25/2019 7:00 AM 0.00 M M M M
2/26/2019 7:00 AM 2.73 M M M M
2/27/2019 7:00 AM 1.76 M M M M
2/28/2019 7:00 AM 0.86 M M M M
3/1/2019 7:00 AM 0.04 M M M M
3/2/2019 7:00 AM 0.26 M M M M
3/3/2019 8:47 AM 0.90 M M M M
3/4/2019 7:00 AM 0.40 M M M M
3/5/2019 7:00 AM 0.01 M M M M
3/8/2019 7:00 AM 0.26 M M M M
3/11/2019 7:00 AM 0.16 M M M M
3/19/2019 7:00 AM 0.00 M M M M
3/20/2019 7:00 AM 0.30 M M M M
3/21/2019 7:00 AM 0.27 M M M M
3/22/2019 7:00 AM 0.01 M M M M
3/23/2019 9:43 AM 1.27 M M M M
3/24/2019 7:00 AM 0.12 M M M M
3/25/2019 7:00 AM 0.00 M M M M
3/26/2019 7:00 AM 0.58 M M M M
3/27/2019 7:00 AM 0.21 M M M M
3/28/2019 7:00 AM 0.50 M M M M
3/31/2019 7:00 AM 0.00 M M M M
4/1/2019 7:00 AM 0.00 M M M M
4/2/2019 7:00 AM 0.59 M M M M
4/3/2019 7:00 AM 0.24 M M M M
4/4/2019 7:00 AM 0.01 M M M M
4/5/2019 7:00 AM 0.00 M M M M
4/6/2019 7:00 AM 0.43 M M M M
4/8/2019 7:00 AM 0.00 M M M M
4/9/2019 7:00 AM 0.50 M M M M
4/10/2019 7:00 AM 0.01 M M M M
4/11/2019 7:00 AM 0.00 M M M M
4/14/2019 7:00 AM 0.00 M M M M
4/15/2019 7:00 AM 0.00 M M M M
4/16/2019 7:00 AM 0.54 M M M M
4/17/2019 7:00 AM 0.03 M M M M
5/1/2019 7:00 AM 0.00 M M M M
5/2/2019 7:00 AM 0.00 M M M M
5/20/2019 7:00 AM 0.17 M M M M
5/21/2019 7:00 AM 0.38 M M M M
5/24/2019 7:00 AM 1.18 M M M M
5/25/2019 7:00 AM 0.01 M M M M
5/26/2019 10:30 AM 0.45 M M M M
5/31/2019 7:00 AM 0.13 M M M M
6/1/2019 7:00 AM 0.03 M M M M
6/2/2019 7:00 AM 0.21 M M M M
6/3/2019 7:00 AM 0.00 M M M M
6/4/2019 7:00 AM 0.00 M M M M
6/5/2019 7:00 AM 0.00 M M M M
6/6/2019 7:00 AM 0.00 M M M M
6/7/2019 7:00 AM 0.00 M M M M
6/8/2019 7:00 AM 0.00 M M M M
6/9/2019 7:00 AM 0.00 M M M M
6/11/2019 7:00 AM 0.00 M M M M
9/5/2019 7:31 AM 0.00 M M M M light rain falling, lasting less than a minute but so nice
9/9/2019 7:00 AM 0.00 M M M M
9/10/2019 7:00 AM 0.00 M M M M
9/11/2019 7:00 AM 0.00 M M M M
9/12/2019 7:00 AM 0.00 M M M M
9/13/2019 7:00 AM 0.00 M M M M
9/14/2019 7:00 AM 0.00 M M M M
9/15/2019 7:00 AM 0.00 M M M M
9/16/2019 7:00 AM 0.00 M M M M
9/17/2019 7:00 AM 1.09 M M M M 8:15am, rain started. thunder and lightning missed morning, afternoon into early evening.
9/18/2019 7:00 AM 0.00 M M M M
9/19/2019 7:00 AM 0.30 M M M M
9/20/2019 7:00 AM 0.01 M M M M not sure I'd this was a rain amount or just moisture in the air
9/21/2019 7:00 AM 0.00 M M M M
9/22/2019 7:00 AM 0.00 M M M M
9/23/2019 7:00 AM 0.00 M M M M
9/24/2019 7:00 AM 0.00 M M M M
9/25/2019 7:00 AM 0.00 M M M M
9/26/2019 7:00 AM 0.00 M M M M
9/27/2019 7:00 AM 0.00 M M M M
9/28/2019 7:00 AM 0.00 M M M M
9/29/2019 7:00 AM 0.74 M M M M beginning around 7:45pm, we experienced thunder and lightening, and pouring rain that lasted a good hour or more. .
9/30/2019 7:00 AM 0.40 M M M M 6 PM thunder, lightning. 7:17pm, hail. thunder, lightening ended about 8 PM.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/7/2018 10/08/2018 7:00 AM 2 0.00 M M
10/10/2018 11/21/2018 7:00 AM 43 0.00 M M
12/5/2018 12/06/2018 7:00 AM 2 0.22 M M
12/22/2018 12/23/2018 7:00 AM 2 0.40 M M
12/24/2018 12/25/2018 7:00 AM 2 1.70 M M
1/20/2019 1/21/2019 7:00 AM 2 1.48 M M
1/23/2019 1/25/2019 7:00 AM 3 0.00 M M
1/27/2019 1/30/2019 7:00 AM 4 0.00 M M
2/1/2019 2/04/2019 9:00 AM 4 3.42 M M
2/5/2019 2/06/2019 7:00 AM 2 0.41 1.0 M
2/10/2019 2/12/2019 7:00 AM 3 1.12 M M
2/17/2019 2/19/2019 7:00 AM 3 M M M
3/6/2019 3/07/2019 7:00 AM 2 1.78 M M
3/9/2019 3/10/2019 7:00 AM 2 0.09 M M
3/12/2019 3/14/2019 7:00 AM 3 0.00 M M
3/16/2019 3/17/2019 7:00 AM 2 0.00 M M
3/29/2019 3/30/2019 7:00 AM 2 0.25 M M
4/12/2019 4/13/2019 7:00 AM 2 0.00 M M
4/18/2019 4/28/2019 7:00 AM 11 0.00 M M
4/29/2019 4/30/2019 7:00 AM 2 0.01 M M
5/3/2019 5/19/2019 7:00 AM 17 3.70 M M
5/22/2019 5/23/2019 7:00 AM 2 0.38 M M
5/27/2019 5/28/2019 7:00 AM 2 0.11 M M
6/12/2019 7/12/2019 7:00 AM 31 0.00 M 0.00
7/13/2019 8/13/2019 7:00 AM 32 0.00 M M
8/14/2019 9/04/2019 7:00 AM 22 0.00 M M
9/6/2019 9/08/2019 7:00 AM 3 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