Station Overview Station Location
Station Number WY-SH-31 Latitude 44.8766746520996
Station Name Dayton 0.3 N Longitude -107.263122558594
County Sheridan Elevation (ft) 3919



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 1.68 1.70 19 1.20 16 0.50 3 1 8 4 6.0 2 3
Nov 19 0.95 1.00 13 1.00 13 0.00 0 0 6 4 8.0 3 6
Dec 19 0.87 0.23 2 0.23 2 0.00 0 0 2 0 3.0 2 2
Jan 20 0.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 20 0.73 0.05 4 0.05 4 0.00 0 0 1 1 1.0 1 4
March 20 1.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 1.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 2.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 20 2.09 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 20 1.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 20 0.85 0.38 8 0.38 8 0.00 0 0 4 0 0.0 0 0
Sept 20 1.55 1.45 15 1.45 15 0.00 0 0 3 1 0.0 0 0
Water Year Totals: 16.79" 4.81" 61 days 4.31" 58 0.50" 3 days 1 24 days 10 days 18.0" 8 days 15 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 T
10/2/2019 0.03
10/3/2019 T
10/4/2019
10/5/2019 0.20
10/6/2019 0.00
10/7/2019
10/8/2019
10/9/2019 T
10/10/2019 0.16
10/11/2019 0.00
10/12/2019
10/13/2019
10/14/2019
10/15/2019 0.00
10/16/2019 0.00
10/17/2019
10/18/2019 0.10
10/19/2019
10/20/2019
10/21/2019 0.03
10/22/2019
10/23/2019 0.16
10/24/2019 0.20
10/25/2019
10/26/2019 T
10/27/2019 0.32
10/28/2019 **
10/29/2019 **
10/30/2019 0.50
10/31/2019
11/1/2019
11/2/2019 0.00
11/3/2019 T
11/4/2019 0.12
11/5/2019 0.05
11/6/2019 T
11/7/2019 0.12
11/8/2019
11/9/2019 0.00
11/10/2019 T
11/11/2019 0.28
11/12/2019
11/13/2019 0.33
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019 T
11/21/2019
11/22/2019
11/23/2019 0.00
11/24/2019
11/25/2019
11/26/2019 0.10
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019 0.08
12/10/2019 0.15
12/11/2019
12/12/2019
12/13/2019
12/14/2019
12/15/2019
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019
12/29/2019
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020
1/16/2020
1/17/2020
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020
1/31/2020
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020
2/6/2020 0.00
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020 T
2/12/2020
2/13/2020
2/14/2020 0.00
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020
2/26/2020 0.05
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020
6/28/2020
6/29/2020
6/30/2020
Day of YearDaily PrcpMultiday Prcp
7/1/2020
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020 0.12
8/27/2020 0.00
8/28/2020 0.10
8/29/2020
8/30/2020 0.11
8/31/2020 0.05
9/1/2020
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020 0.00
9/8/2020 1.26
9/9/2020 0.00
9/10/2020
9/11/2020
9/12/2020
9/13/2020 0.00
9/14/2020
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020
9/19/2020
9/20/2020 0.00
9/21/2020 0.00
9/22/2020
9/23/2020 0.00
9/24/2020
9/25/2020 0.00
9/26/2020 0.03
9/27/2020 0.16
9/28/2020 T
9/29/2020 0.00
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 4:30 AM T 0.0 M 0.0 M
10/2/2019 5:15 AM 0.03 0.0 M 0.0 M
10/3/2019 5:00 AM T 0.0 M 0.0 M
10/5/2019 6:30 AM 0.20 0.0 M 0.0 M
10/6/2019 7:00 AM 0.00 0.0 M 0.0 M
10/9/2019 5:00 AM T 0.0 M 0.0 M
10/10/2019 5:00 AM 0.16 2.0 0.16 2.0 0.16
10/11/2019 7:00 AM 0.00 0.0 0.00 1.0 0.06
10/15/2019 5:00 AM 0.00 0.0 M 0.0 M
10/16/2019 5:00 AM 0.00 0.0 M 0.0 M
10/18/2019 5:00 AM 0.10 0.0 M 0.0 M
10/21/2019 4:45 AM 0.03 0.0 M 0.0 M
10/23/2019 5:30 AM 0.16 0.0 M 0.0 M
10/24/2019 4:45 AM 0.20 0.0 M 0.0 M
10/26/2019 8:30 AM T 0.0 M 0.0 M
10/27/2019 7:00 AM 0.32 4.0 M 4.0 M
11/2/2019 7:00 AM 0.00 0.0 M 2.0 M
11/3/2019 7:00 AM T 0.0 M 1.0 0.16
11/4/2019 5:00 AM 0.12 0.0 M 0.0 M Rain changing to snow this a.m.
11/5/2019 5:00 AM 0.05 0.0 M 1.0 M
11/6/2019 5:00 AM T M M 0.0 M Skiff of snow this a.m.-
11/7/2019 5:00 AM 0.12 2.0 0.12 2.0 0.12
11/9/2019 7:00 AM 0.00 0.0 M 0.0 M
11/10/2019 7:00 AM T 0.0 M 0.0 M Heavy fog-mist this A.M.
11/11/2019 4:00 AM 0.28 4.0 0.28 4.0 0.28
11/13/2019 5:30 AM 0.33 0.0 M T M
11/20/2019 5:00 AM T 0.0 M 0.0 M Light precip. at this time-rain with wind
11/23/2019 7:00 AM 0.00 0.0 M 0.0 M
11/26/2019 3:00 AM 0.10 2.0 0.10 2.0 0.10 light snow
12/9/2019 5:00 AM 0.08 1.0 0.08 1.0 M
12/10/2019 5:30 AM 0.15 2.0 0.15 3.0 0.23
2/6/2020 7:00 AM 0.00 0.0 M 10.0 1.75
2/11/2020 5:00 AM T T M 8.0 1.11
2/14/2020 5:00 PM 0.00 0.0 M 10.0 1.98
2/26/2020 5:15 AM 0.05 1.0 0.05 8.0 1.32
8/23/2020 7:00 AM 0.00 0.0 M 0.0 M
8/24/2020 5:00 AM 0.00 0.0 M M M
8/25/2020 5:00 AM 0.00 0.0 M M M DRY and HOT
8/26/2020 4:45 AM 0.12 M M M M thundershower last P.M.
8/27/2020 5:00 AM 0.00 0.0 M M M
8/28/2020 6:00 AM 0.10 M M M M Yhunder showers last pm
8/30/2020 8:00 AM 0.11 M M M M
8/31/2020 4:45 AM 0.05 M M M M
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 4:30 AM 1.26 M M M M
9/9/2020 5:15 AM 0.00 0.0 M M M
9/13/2020 9:00 AM 0.00 0.0 M M M
9/15/2020 5:00 AM 0.00 0.0 M 0.0 M
9/16/2020 5:00 AM 0.00 0.0 M 0.0 M
9/17/2020 5:00 AM 0.00 0.0 M 0.0 M
9/20/2020 7:00 AM 0.00 0.0 M 0.0 M
9/21/2020 5:00 AM 0.00 0.0 M 0.0 M
9/23/2020 5:00 AM 0.00 0.0 M 0.0 M
9/25/2020 7:00 AM 0.00 0.0 M 0.0 M
9/26/2020 7:00 AM 0.03 0.0 M 0.0 M
9/27/2020 7:00 AM 0.16 0.0 M 0.0 M
9/28/2020 5:00 AM T 0.0 M 0.0 M
9/29/2020 5:00 AM 0.00 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/28/2019 10/30/2019 5:15 AM 3 0.50 4.0 0.34 Cold.... light snow off and on last two days. Clear and cold this a.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