Station Overview Station Location
Station Number UT-GR-9 Latitude 38.6331
Station Name Castle Valley 0.6 W Longitude -109.4104
County Grand Elevation (ft) 4786



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 19 1.55 0.00 31 0.00 31 0.00 0 0 0 2 0.0 0 0
Nov 19 1.03 2.62 27 2.08 25 0.54 2 1 4 0 8.5 1 2
Dec 19 0.70 1.20 30 1.20 30 0.00 0 0 9 3 8.0 3 4
Jan 20 0.67 0.68 31 0.68 31 0.00 0 0 6 3 6.4 5 6
Feb 20 0.71 0.35 28 0.35 28 0.00 0 0 3 1 2.5 1 2
March 20 0.95 1.64 31 1.64 31 0.00 0 0 10 6 0.0 0 0
April 20 1.04 0.09 30 0.09 30 0.00 0 0 1 9 0.0 0 0
May 20 0.97 0.15 31 0.15 31 0.00 0 0 3 1 0.0 0 0
June 20 0.47 1.21 29 1.21 29 0.00 0 0 3 3 0.0 0 0
July 20 0.90 0.23 31 0.23 31 0.00 0 0 4 4 0.0 0 0
Aug 20 1.09 0.01 31 0.01 31 0.00 0 0 1 4 0.0 0 0
Sept 20 1.15 0.31 30 0.31 30 0.00 0 0 4 2 0.0 0 0
Water Year Totals: 11.23" 8.49" 360 days 7.95" 358 0.54" 2 days 1 48 days 38 days 25.4" 10 days 14 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
10/1/2019 0.00
10/2/2019 0.00
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.00
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 T
10/21/2019 0.00
10/22/2019 0.00
10/23/2019 0.00
10/24/2019 0.00
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.00
10/28/2019 0.00
10/29/2019 0.00
10/30/2019 T
10/31/2019 0.00
11/1/2019 0.00
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.00
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.00
11/12/2019
11/13/2019 0.00
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 0.00
11/19/2019
11/20/2019 0.76
11/21/2019 0.11
11/22/2019 0.32
11/23/2019
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 0.89
11/27/2019 0.00
11/28/2019 0.00
11/29/2019 **
11/30/2019 0.54
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.00
12/5/2019 0.12
12/6/2019 0.03
12/7/2019 0.00
12/8/2019 0.01
12/9/2019 0.10
12/10/2019 0.00
12/11/2019 0.00
12/12/2019 0.00
12/13/2019
12/14/2019 0.01
12/15/2019 T
12/16/2019 0.00
12/17/2019 T
12/18/2019 0.00
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 T
12/25/2019 0.35
12/26/2019 0.03
12/27/2019 0.02
12/28/2019 0.53
12/29/2019 0.00
12/30/2019 0.00
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.03
1/3/2020 0.00
1/4/2020 0.00
1/5/2020 0.00
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.00
1/9/2020 0.00
1/10/2020 0.00
1/11/2020 0.00
1/12/2020 0.11
1/13/2020 0.00
1/14/2020 0.00
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.05
1/19/2020 0.00
1/20/2020 0.00
1/21/2020 T
1/22/2020 0.33
1/23/2020 0.00
1/24/2020 T
1/25/2020 T
1/26/2020 0.00
1/27/2020 0.11
1/28/2020 0.00
1/29/2020 0.05
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.00
2/4/2020 0.24
2/5/2020 0.00
2/6/2020 0.00
2/7/2020 0.00
2/8/2020 0.00
2/9/2020 0.00
2/10/2020 T
2/11/2020 0.00
2/12/2020 0.00
2/13/2020 0.00
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 0.00
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.10
2/24/2020 0.01
2/25/2020 0.00
2/26/2020 0.00
2/27/2020 0.00
2/28/2020 0.00
2/29/2020
3/1/2020 0.00
3/2/2020 0.08
3/3/2020 0.00
3/4/2020 0.00
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 0.00
3/8/2020 T
3/9/2020 T
3/10/2020 0.00
3/11/2020 T
3/12/2020 0.18
3/13/2020 0.20
3/14/2020 0.14
3/15/2020 T
3/16/2020 0.00
3/17/2020 0.00
3/18/2020 0.00
3/19/2020 0.68
3/20/2020 0.16
3/21/2020 0.06
3/22/2020 0.04
3/23/2020 T
3/24/2020 0.09
3/25/2020 0.01
3/26/2020 0.00
3/27/2020 0.00
3/28/2020 T
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 T
4/3/2020 0.00
4/4/2020 0.00
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.00
4/9/2020 0.00
4/10/2020 T
4/11/2020 0.00
4/12/2020 T
4/13/2020 T
4/14/2020 0.00
4/15/2020 0.00
4/16/2020 0.00
4/17/2020 T
4/18/2020 0.00
4/19/2020 0.09
4/20/2020 T
4/21/2020 0.00
4/22/2020 T
4/23/2020 0.00
4/24/2020 T
4/25/2020 0.00
4/26/2020 0.00
4/27/2020 T
4/28/2020 0.00
4/29/2020 0.00
4/30/2020 0.00
5/1/2020 0.00
5/2/2020 0.00
5/3/2020 0.00
5/4/2020 0.00
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 0.00
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.05
5/12/2020 0.01
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.00
5/16/2020 0.00
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 0.00
5/25/2020 0.00
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.00
5/29/2020 0.00
5/30/2020 T
5/31/2020 0.09
6/1/2020 T
6/2/2020 0.00
6/3/2020 0.00
6/4/2020 0.00
6/5/2020 0.00
6/6/2020 0.40
6/7/2020 0.77
6/8/2020 0.00
6/9/2020 0.04
6/10/2020 0.00
6/11/2020
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 T
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.00
6/20/2020 0.00
6/21/2020 0.00
6/22/2020 0.00
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.00
6/26/2020 0.00
6/27/2020 0.00
6/28/2020 0.00
6/29/2020 0.00
6/30/2020 T
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.00
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 0.00
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 T
7/14/2020 T
7/15/2020 0.00
7/16/2020 0.00
7/17/2020 T
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 T
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.02
7/24/2020 0.11
7/25/2020 0.00
7/26/2020 0.00
7/27/2020 0.00
7/28/2020 0.05
7/29/2020 0.05
7/30/2020 0.00
7/31/2020 0.00
8/1/2020 0.00
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 0.00
8/5/2020 0.00
8/6/2020 0.00
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 0.00
8/20/2020 0.00
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020 T
8/27/2020 T
8/28/2020 0.01
8/29/2020 T
8/30/2020 T
8/31/2020 0.00
9/1/2020 0.04
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 T
9/9/2020 0.20
9/10/2020 0.06
9/11/2020 T
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.01
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 0.00
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.00 0.0 M M M
10/2/2019 7:00 AM 0.00 0.0 M M M
10/3/2019 7:00 AM 0.00 0.0 M M M
10/4/2019 7:00 AM 0.00 0.0 M M M
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 7:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:00 AM 0.00 0.0 M M M
10/10/2019 7:00 AM 0.00 0.0 M M M
10/11/2019 7:00 AM 0.00 0.0 M M M
10/12/2019 7:00 AM 0.00 0.0 M M M
10/13/2019 7:00 AM 0.00 0.0 M M M
10/14/2019 7:00 AM 0.00 0.0 M M M
10/15/2019 7:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.00 0.0 M M M
10/17/2019 7:00 AM 0.00 0.0 M M M
10/18/2019 7:00 AM 0.00 0.0 M M M
10/19/2019 7:00 AM 0.00 0.0 M M M
10/20/2019 7:00 AM T M M M M
10/21/2019 7:00 AM 0.00 0.0 M M M
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:00 AM 0.00 0.0 M M M
10/24/2019 7:00 AM 0.00 0.0 M M M
10/25/2019 7:00 AM 0.00 0.0 M M M
10/26/2019 7:00 AM 0.00 0.0 M M M
10/27/2019 7:00 AM 0.00 0.0 M M M
10/28/2019 7:00 AM 0.00 0.0 M M M
10/29/2019 7:00 AM 0.00 0.0 M M M
10/30/2019 7:00 AM T 0.0 M 0.0 M Short snowfall: 7:10 PM, did not stick. Skiff of snow on Adobe Mesa down to 5,100'.
10/31/2019 7:00 AM 0.00 0.0 M M M
11/1/2019 7:00 AM 0.00 0.0 M M M
11/2/2019 7:00 AM 0.00 0.0 M M M
11/3/2019 7:00 AM 0.00 0.0 M M M
11/4/2019 7:00 AM 0.00 0.0 M M M
11/5/2019 7:00 AM 0.00 0.0 M M M
11/6/2019 7:00 AM 0.00 0.0 M M M
11/7/2019 7:00 AM 0.00 0.0 M M M
11/8/2019 7:00 AM 0.00 0.0 M M M
11/9/2019 7:00 AM 0.00 0.0 M M M
11/10/2019 7:00 AM 0.00 0.0 M M M
11/11/2019 7:00 AM 0.00 0.0 M M M
11/13/2019 7:00 AM 0.00 0.0 M M M
11/14/2019 7:00 AM 0.00 0.0 M M M
11/15/2019 7:00 AM 0.00 0.0 M M M
11/16/2019 7:00 AM 0.00 0.0 M M M
11/17/2019 7:00 AM 0.00 0.0 M M M
11/18/2019 7:00 AM 0.00 0.0 M M M
11/20/2019 7:00 AM 0.76 0.0 0.00 0.0 0.00 First rain at 5:23 PM=.02" by 8:00. The rest came overnight in several separate rainfalls, some heavy.
11/21/2019 7:00 AM 0.11 M M M M
11/22/2019 7:00 AM 0.32 0.0 0.00 0.0 0.00 There were several squalls in Castle Valley during the afternoon. One left a coating of hail on "The Notch", the ridge just north of Castle Tower. The snowline on the north end of the La Sals is about 8,000'.
11/24/2019 7:00 AM 0.00 0.0 M M M
11/25/2019 7:00 AM 0.00 0.0 M M M
11/26/2019 7:00 AM 0.89 8.5 M 8.5 M Rain: 6:00 p.m., turned to snow ~8:30.
11/27/2019 7:00 AM 0.00 0.0 0.00 7.0 0.76
11/28/2019 7:00 AM 0.00 0.0 M M M
12/1/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/2/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/3/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/4/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/5/2019 7:00 AM 0.12 0.0 0.00 0.0 0.00 Snow level ~5,700' on Porcupine Rim.
12/6/2019 7:00 AM 0.03 0.0 0.00 0.0 0.00
12/7/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/8/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
12/9/2019 7:00 AM 0.10 0.0 0.00 0.0 0.00 Thunderstorm with lightening: 2:22-2:38 PM=0.10". Hail: 2:34-2:38 PM, rice size.
12/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
12/15/2019 7:00 AM T 0.0 0.00 0.0 0.00 Trace came as rain.
12/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 La Sal Mountains are socked in.
12/17/2019 7:00 AM T T T T T Snow: 7:50-8:45 AM=T. Started sticking: 8:20. It was just a light skiff. The sun came out and it quickly melted.
12/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/24/2019 7:00 AM T T T T T Fell as graupel in early morning hours.
12/25/2019 7:00 AM 0.35 T T T T Rain started ~2:00 PM and continued overnight ending with a light skiff of snow in early morning.
12/26/2019 7:00 AM 0.03 0.5 0.03 0.5 T A half inch of new snow with graupel on topple.
12/27/2019 7:00 AM 0.02 0.5 0.02 0.5 0.02
12/28/2019 7:00 AM 0.53 7.0 0.50 7.0 0.50
12/29/2019 7:00 AM 0.00 0.0 0.00 M M
12/30/2019 7:00 AM 0.00 0.0 0.00 5.5 0.52 100% snow coverage.
12/31/2019 7:00 AM 0.00 0.0 0.00 M M
1/1/2020 7:00 AM 0.00 0.0 0.00 M M Clear skies at 5:00 AM. Low heavy overcast by 6:30 AM. La Sal Mountains completely socked in. (Started snowing at 7:30 AM.)
1/2/2020 7:00 AM 0.03 0.3 0.25 4.0 0.55 Snow: 7:30-9:58 AM, 11:05-11:10 AM, 3:45-4:15 PM.
1/3/2020 7:00 AM 0.00 0.0 0.00 M M
1/4/2020 7:00 AM 0.00 0.0 0.00 M M
1/5/2020 7:00 AM 0.00 0.0 0.00 M M
1/6/2020 7:00 AM 0.00 0.0 0.00 3.5 0.48 Snow cover is 100%, even the junipers and sage brush are still significantly covered with snow. For the last five days (since 1/2/2020) the sky has been socked in with low clouds and fog. Forecasts for clearing skies have been inaccurate daily. Day Hi temps: 26-29°, Low: 18-20°. RH range: 79-94%.
1/7/2020 7:00 AM 0.00 0.0 0.00 M M Snow cover: 100%. Undisturbed snow on the ground is of the "sugar" type.
1/8/2020 7:00 AM 0.00 0.0 0.00 M M
1/9/2020 7:00 AM 0.00 0.0 0.00 M M
1/10/2020 7:00 AM 0.00 0.0 0.00 M M
1/11/2020 7:00 AM 0.00 0.0 0.00 M M
1/12/2020 7:00 AM 0.11 1.5 0.11 4.0 M 100% snow coverage at 4.0" deep.
1/13/2020 7:00 AM 0.00 0.0 0.00 4.0 0.60 100% snow coverage.
1/14/2020 7:00 AM 0.00 0.0 0.00 M M
1/15/2020 7:00 AM 0.00 0.0 0.00 M M
1/16/2020 7:00 AM 0.00 0.0 0.00 M M
1/17/2020 7:00 AM 0.00 0.0 0.00 M M
1/18/2020 7:00 AM 0.05 T M M M Rain: 7:08-sleet: 7:11-7:20, sleet: 9:29-snow 9:34-9:45.
1/19/2020 7:00 AM 0.00 0.0 0.00 M M
1/20/2020 7:00 AM 0.00 0.0 0.00 3.0 0.53
1/21/2020 7:00 AM T T T M M
1/22/2020 7:00 AM 0.33 3.2 0.33 M M Two hour snow accumulation: 8:30-10:30= .5", 12:30= 1.5", 2:30= 3.0"
1/23/2020 7:00 AM 0.00 0.0 0.00 M M
1/24/2020 7:00 AM T T T M M
1/25/2020 7:00 AM T T T M M
1/26/2020 7:00 AM 0.00 0.0 0.00 M M
1/27/2020 7:00 AM 0.11 0.9 0.10 4.0 0.93
1/28/2020 7:00 AM 0.00 0.0 0.00 M M
1/29/2020 7:00 AM 0.05 0.5 M M M
1/30/2020 7:00 AM 0.00 0.0 0.00 M M
1/31/2020 7:00 AM 0.00 0.0 0.00 M M
2/1/2020 7:00 AM 0.00 0.0 0.00 M M
2/2/2020 7:00 AM 0.00 0.0 0.00 M M
2/3/2020 7:00 AM 0.00 0.0 0.00 2.5 0.68 60% snow coverage.
2/4/2020 7:00 AM 0.24 2.5 0.16 M M Snow: 8:16AM-12:39PM=2.0". Additional graupel and snow fell during the afternoon with no accumulation. An additional .5" of snow accumulated during the night.
2/5/2020 7:00 AM 0.00 0.0 0.00 M M
2/6/2020 7:00 AM 0.00 0.0 0.00 M M
2/7/2020 7:00 AM 0.00 0.0 0.00 M M
2/8/2020 7:00 AM 0.00 0.0 0.00 M M
2/9/2020 7:00 AM 0.00 0.0 0.00 M M
2/10/2020 7:00 AM T T T 4.0 0.42 Snow flurries: 9:41 AM-2:00 PM=T. More short flurries later in the afternoon with a short bit of graupel during the night. No accumulation. Total Snow: 40% coverage averaging 4" deep.
2/11/2020 7:00 AM 0.00 0.0 0.00 M M
2/12/2020 7:00 AM 0.00 0.0 0.00 M M
2/13/2020 7:00 AM 0.00 0.0 0.00 M M
2/14/2020 7:00 AM 0.00 0.0 0.00 M M
2/15/2020 7:00 AM 0.00 0.0 0.00 M M
2/16/2020 7:00 AM 0.00 0.0 0.00 M M
2/17/2020 7:00 AM 0.00 0.0 0.00 M M Snow cover is scattered (>20%) and varies widely in depth. Most patches are in the shade of trees.
2/18/2020 7:00 AM 0.00 0.0 0.00 M M
2/19/2020 7:00 AM 0.00 0.0 0.00 M M
2/20/2020 7:00 AM 0.00 0.0 0.00 M M
2/21/2020 7:00 AM 0.00 0.0 0.00 M M
2/22/2020 7:00 AM 0.00 0.0 0.00 M M
2/23/2020 7:00 AM 0.10 0.0 0.00 M M
2/24/2020 7:00 AM 0.01 0.0 0.00 T T Scattered, thin snow cover in the shade of trees and on north slopes.
2/25/2020 7:00 AM 0.00 0.0 0.00 M M
2/26/2020 7:00 AM 0.00 0.0 0.00 M M
2/27/2020 7:00 AM 0.00 0.0 0.00 M M
2/28/2020 7:00 AM 0.00 0.0 0.00 M M
3/1/2020 7:00 AM 0.00 0.0 0.00 M M
3/2/2020 7:00 AM 0.08 0.0 0.00 0.0 0.00
3/3/2020 7:00 AM 0.00 0.0 0.00 M M
3/4/2020 7:00 AM 0.00 0.0 0.00 M M
3/5/2020 7:00 AM 0.00 0.0 0.00 M M
3/6/2020 7:00 AM 0.00 0.0 0.00 M M
3/7/2020 7:00 AM 0.00 0.0 0.00 M M
3/8/2020 7:00 AM T 0.0 0.00 M M
3/9/2020 7:00 AM T 0.0 0.00 0.0 0.00
3/10/2020 7:00 AM 0.00 0.0 0.00 M M
3/11/2020 7:00 AM T 0.0 0.00 M M
3/12/2020 7:00 AM 0.18 0.0 0.00 M M Rain: 7:15-10:30 AM=0.14", 11:06-11:50 AM=0.04".
3/13/2020 7:00 AM 0.20 0.0 0.00 0.0 0.00 Rain: 5:15-7:00 AM = 0.20". Rain continued briefly (trace) after 7:00 and will be shown in tomorrow's observation.
3/14/2020 7:00 AM 0.14 0.0 0.00 M M Rain: 9:25-10:00 AM=.09", the rest fell throughout the day with a little hail at 2:15 PM.
3/15/2020 7:00 AM T 0.0 0.00 M M
3/16/2020 7:00 AM 0.00 0.0 0.00 M M
3/17/2020 7:00 AM 0.00 0.0 0.00 M M
3/18/2020 7:00 AM 0.00 0.0 0.00 M M
3/19/2020 7:00 AM 0.68 0.0 0.00 0.0 0.00 Rain: 10:28-10:35 AM=T, 3:25-3:45PM=T. The rest game overnight.
3/20/2020 7:00 AM 0.16 0.0 0.00 M M
3/21/2020 7:00 AM 0.06 0.0 0.00 M M Hail: 3:40-3:43PM=T, rice size. Report filed.
3/22/2020 7:00 AM 0.04 0.0 0.00 M M
3/23/2020 7:00 AM T 0.0 0.00 M M Light rain ~5:15 AM = Trace.
3/24/2020 7:00 AM 0.09 0.0 0.00 M M
3/25/2020 7:00 AM 0.01 0.0 0.00 M M
3/26/2020 7:00 AM 0.00 0.0 0.00 M M
3/27/2020 7:00 AM 0.00 0.0 0.00 M M
3/28/2020 7:00 AM T 0.0 0.00 0.0 0.00 Snow began at 8:14 with many flurries during the day.
3/29/2020 7:00 AM 0.00 0.0 0.00 M M
3/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/31/2020 7:00 AM 0.00 0.0 0.00 M M
4/1/2020 7:00 AM 0.00 0.0 0.00 M M
4/2/2020 7:00 AM T 0.0 0.00 M M
4/3/2020 7:00 AM 0.00 0.0 0.00 M M
4/4/2020 7:00 AM 0.00 0.0 0.00 M M
4/5/2020 7:00 AM 0.00 0.0 0.00 M M
4/6/2020 7:00 AM 0.00 0.0 0.00 M M
4/7/2020 7:00 AM 0.00 0.0 0.00 M M
4/8/2020 7:00 AM 0.00 0.0 0.00 M M
4/9/2020 7:00 AM 0.00 0.0 0.00 M M
4/10/2020 7:00 AM T 0.0 0.00 M M We had four short sprinkles spread out during the day.
4/11/2020 7:00 AM 0.00 0.0 0.00 M M
4/12/2020 7:00 AM T 0.0 0.00 M M
4/13/2020 7:00 AM T 0.0 0.00 0.0 0.00
4/14/2020 7:00 AM 0.00 0.0 0.00 M M
4/15/2020 7:00 AM 0.00 0.0 0.00 M M
4/16/2020 7:00 AM 0.00 0.0 0.00 M M
4/17/2020 7:00 AM T 0.0 0.00 M M
4/18/2020 7:00 AM 0.00 0.0 0.00 M M
4/19/2020 7:00 AM 0.09 0.0 0.00 M M
4/20/2020 7:00 AM T 0.0 0.00 M M
4/21/2020 7:00 AM 0.00 0.0 0.00 M M
4/22/2020 7:00 AM T 0.0 0.00 M M
4/23/2020 7:00 AM 0.00 0.0 0.00 M M
4/24/2020 7:00 AM T 0.0 0.00 M M
4/25/2020 7:00 AM 0.00 0.0 0.00 M M
4/26/2020 7:00 AM 0.00 0.0 0.00 M M
4/27/2020 7:00 AM T 0.0 0.00 0.0 0.00
4/28/2020 7:00 AM 0.00 0.0 0.00 M M
4/29/2020 7:00 AM 0.00 0.0 0.00 M M
4/30/2020 7:00 AM 0.00 0.0 0.00 M M
5/1/2020 7:00 AM 0.00 0.0 M M M
5/2/2020 7:00 AM 0.00 0.0 M M M
5/3/2020 7:00 AM 0.00 0.0 M M M
5/4/2020 7:00 AM 0.00 0.0 M M M
5/5/2020 7:00 AM 0.00 0.0 M M M
5/6/2020 7:00 AM 0.00 0.0 M M M
5/7/2020 7:00 AM 0.00 0.0 M M M
5/8/2020 7:00 AM 0.00 0.0 M M M
5/9/2020 7:00 AM 0.00 0.0 M M M
5/10/2020 7:00 AM 0.00 0.0 M M M
5/11/2020 7:00 AM 0.05 M M M M
5/12/2020 7:00 AM 0.01 M M M M
5/13/2020 7:00 AM 0.00 0.0 M M M
5/14/2020 7:00 AM 0.00 0.0 M M M
5/15/2020 7:00 AM 0.00 0.0 M M M
5/16/2020 7:00 AM 0.00 0.0 M M M
5/17/2020 7:00 AM 0.00 0.0 M M M
5/18/2020 7:00 AM 0.00 0.0 M M M
5/19/2020 7:00 AM 0.00 0.0 M M M
5/20/2020 7:00 AM 0.00 0.0 M M M
5/21/2020 7:00 AM 0.00 0.0 M M M
5/22/2020 7:00 AM 0.00 0.0 M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM 0.00 0.0 M M M
5/25/2020 7:00 AM 0.00 0.0 M M M
5/26/2020 7:00 AM 0.00 0.0 M M M
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.00 0.0 M M M
5/29/2020 7:00 AM 0.00 0.0 M M M
5/30/2020 7:00 AM T 0.0 M M M Thunder & lightning on the eastern horizon: 2:47 a.m. Light sprinkle: 4:07 a.m.
5/31/2020 7:00 AM 0.09 M M M M Light sprinkles in the morning=T. Thunderstorm with rain starting at 8:23 PM and lasting more then an hour=.09". Heavy lightning 8:23-9:30. Castle Tower was struck at least five times. Photograph available on Castle Valley Facebook page.
6/1/2020 7:00 AM T M M M M A short burst of rain. BURST (verb) to issue forth suddenly and forcibly, as from confinement or through an obstacle.
6/2/2020 7:00 AM 0.00 0.0 M M M
6/3/2020 7:00 AM 0.00 0.0 M M M
6/4/2020 7:00 AM 0.00 0.0 M M M
6/5/2020 7:00 AM 0.00 0.0 M M M
6/6/2020 7:00 AM 0.40 M M M M Thunderstorms 6:53 PM and on through the night. Lightning, thunder, power outage, no coffee.
6/7/2020 7:00 AM 0.77 0.0 0.00 0.0 0.00 Hail: 11:03-11:05 AM=rice size, 11:10-11:11 AM=rice and pea size.
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:00 AM 0.04 M M M M Light rain in the late evening.
6/10/2020 7:00 AM 0.00 0.0 M M M
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.00 0.0 M M M
6/14/2020 7:00 AM T 0.0 M M M
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M
6/18/2020 7:00 AM 0.00 0.0 M M M
6/19/2020 7:00 AM 0.00 0.0 M M M
6/20/2020 7:00 AM 0.00 0.0 M M M
6/21/2020 7:00 AM 0.00 0.0 M M M
6/22/2020 7:00 AM 0.00 0.0 M M M
6/23/2020 7:00 AM 0.00 0.0 M M M
6/24/2020 7:00 AM 0.00 0.0 M M M
6/25/2020 7:00 AM 0.00 0.0 M M M
6/26/2020 7:00 AM 0.00 0.0 M M M
6/27/2020 7:00 AM 0.00 0.0 M M M
6/28/2020 7:00 AM 0.00 0.0 M M M
6/29/2020 7:00 AM 0.00 0.0 M M M
6/30/2020 7:00 AM T 0.0 M M M Sprinkles: 3:04-3:05=T, 4:55-4:56=T.
7/1/2020 7:00 AM 0.00 0.0 M M M
7/2/2020 7:00 AM 0.00 0.0 M M M
7/3/2020 7:00 AM 0.00 0.0 M M M
7/4/2020 7:00 AM 0.00 0.0 M M M
7/5/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:00 AM 0.00 0.0 M M M
7/7/2020 7:00 AM 0.00 0.0 M M M
7/8/2020 7:00 AM 0.00 0.0 M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 0.00 0.0 M M M
7/11/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:00 AM T M M M M Rain: 7:04-7:10 PM=T, 7:58-8:03 PM=T, several additional sprinkles throughout the night=T.
7/14/2020 7:00 AM T M M M M Thunderstorms: 2:46-3:25PM=T, 7:37-7:39PM=T.
7/15/2020 7:00 AM 0.00 0.0 M M M
7/16/2020 7:00 AM 0.00 0.0 M M M
7/17/2020 7:00 AM T M M M M Sprinkle: 1:16-1:17PM=T, 1:37PM-1:48PM=T, ~5:00PM-ish=T.
7/18/2020 7:00 AM 0.00 0.0 M M M
7/19/2020 7:00 AM 0.00 0.0 M M M
7/20/2020 7:00 AM T 0.0 M M M Sprinkle: 9:53-9:54PM=T.
7/21/2020 7:00 AM 0.00 0.0 M M M
7/22/2020 7:00 AM 0.00 0.0 M M M
7/23/2020 7:00 AM 0.02 M M M M Rain: 7:27-7:28AM=T, 9:09-9:58AM=.01, 10:43-10:45=T, 11:21-11:23AM=T, 11:48-gave up paying attention but there was more, 5:30-6:00AM=.01.
7/24/2020 7:00 AM 0.11 M M M M Rain: 6:46PM and on=.11".
7/25/2020 7:00 AM 0.00 0.0 M M M
7/26/2020 7:00 AM 0.00 0.0 M M M
7/27/2020 7:00 AM 0.00 0.0 M M M
7/28/2020 7:00 AM 0.05 M M M M Most of this in the evening.
7/29/2020 7:00 AM 0.05 M M M M Evening rain.
7/30/2020 7:00 AM 0.00 0.0 M M M
7/31/2020 7:00 AM 0.00 0.0 M M M
8/1/2020 7:00 AM 0.00 0.0 M M M
8/2/2020 7:00 AM 0.00 0.0 M M M
8/3/2020 7:00 AM 0.00 0.0 M M M
8/4/2020 7:00 AM 0.00 0.0 M M M
8/5/2020 7:00 AM 0.00 0.0 M M M
8/6/2020 7:00 AM 0.00 0.0 M M M
8/7/2020 7:00 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 7:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.00 0.0 M M M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M
8/16/2020 7:00 AM 0.00 0.0 M M M
8/17/2020 7:00 AM 0.00 0.0 M M M
8/18/2020 7:00 AM 0.00 0.0 M M M
8/19/2020 7:00 AM 0.00 0.0 M M M
8/20/2020 7:00 AM 0.00 0.0 M M M
8/21/2020 7:00 AM 0.00 0.0 M M M
8/22/2020 7:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M
8/24/2020 7:00 AM 0.00 0.0 M M M
8/25/2020 7:00 AM 0.00 0.0 M M M
8/26/2020 7:00 AM T M M M M Light sprinkle 2:07-2:25 AM=Trace
8/27/2020 7:00 AM T M M M M Light sprinkle: 8:26 a.m. & 1:17 a.m = Trace.
8/28/2020 7:00 AM 0.01 M M M M Several storms throughout the night starting at ~10:00 p.m. Strongest was ~1"00 a.m. After all this only .01"
8/29/2020 7:00 AM T M M M M Light sprinkle ~4:00 a.m.
8/30/2020 7:00 AM T M M M M Big fat rain drops 6" apart for a couple of minutes at 2:30 p.m.
8/31/2020 7:00 AM 0.00 0.0 M M M
9/1/2020 7:00 AM 0.04 M M M M Rain: 5:37 p.m. and again during the night.
9/2/2020 7:00 AM 0.00 0.0 M M M
9/3/2020 7:00 AM 0.00 0.0 M M M
9/4/2020 7:00 AM 0.00 0.0 M M M
9/5/2020 7:00 AM 0.00 0.0 M M M
9/6/2020 7:00 AM 0.00 0.0 M M M
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 7:00 AM T M M M M
9/9/2020 7:00 AM 0.20 M M M M Most came in the morning.
9/10/2020 7:00 AM 0.06 M M M M
9/11/2020 7:00 AM T M M M M
9/12/2020 7:00 AM 0.00 0.0 M M M
9/13/2020 7:00 AM 0.00 0.0 M M M
9/14/2020 7:00 AM 0.00 0.0 M M M
9/15/2020 7:00 AM 0.00 0.0 M M M
9/16/2020 7:00 AM 0.00 0.0 M M M
9/17/2020 7:00 AM 0.00 0.0 M M M
9/18/2020 7:00 AM 0.00 0.0 M M M
9/19/2020 7:00 AM 0.00 0.0 M M M
9/20/2020 7:00 AM 0.00 0.0 M M M
9/21/2020 7:00 AM 0.00 0.0 M M M
9/22/2020 7:00 AM 0.01 M M M M
9/23/2020 7:00 AM 0.00 0.0 M M M
9/24/2020 7:00 AM 0.00 0.0 M M M
9/25/2020 7:00 AM 0.00 0.0 M M M
9/26/2020 7:00 AM 0.00 0.0 M M M
9/27/2020 7:00 AM 0.00 0.0 M M M
9/28/2020 7:00 AM 0.00 0.0 M M M
9/29/2020 7:00 AM 0.00 0.0 M M M
9/30/2020 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/29/2019 11/30/2019 7:00 AM 2 0.54 T T Most precip came on 11/29/2019. Light skiff of snow on the ground 11/30 at sunrise. The rain and warm temps over the last 48 hours (Hi 53°, Low 31°) melted all the snow.



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
12/8/2019 2:34 PM Rice Rice Rice Soft 3 1min no damage Continuous True After rain Before smaller hail 10-20
3/20/2020 3:40 PM NA Rice NA Mixed 3 no damage Continuous False Before rain
6/6/2020 11:03 PM 1/4" Pea Size Rice Rice Mixed 3 no damage Intermittent True After rain After smaller hail