Station Overview Station Location
Station Number MT-PR-5 Latitude 45.290982
Station Name Boyes 1.7 NNE Longitude -105.021266
County Powder River Elevation (ft) 3448



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 1.18 0.28 31 0.28 6 0.00 25 2 3 2 0.0 0 0
Nov 17 0.50 0.59 30 0.59 16 0.00 14 5 9 4 1.6 2 0
Dec 17 0.39 0.53 30 0.53 14 0.00 16 4 11 2 9.7 10 1
Jan 18 0.32 0.38 31 0.25 7 0.13 24 6 5 2 2.5 3 0
Feb 18 0.29 1.24 27 0.85 15 0.39 12 2 9 2 20.6 10 0
March 18 0.82 0.58 32 0.20 9 0.38 23 7 4 2 1.9 4 0
April 18 1.36 1.45 30 1.12 14 0.33 16 5 7 3 5.2 2 0
May 18 2.25 0.94 31 0.94 19 0.00 12 3 10 5 0.0 0 0
June 18 2.41 1.37 30 1.37 16 0.00 14 4 8 7 0.0 0 0
July 18 2.05 0.48 31 0.48 17 0.00 14 4 5 9 0.0 0 0
Aug 18 1.21 1.20 31 1.20 10 0.00 21 5 6 2 0.0 0 0
Sept 18 1.37 0.64 30 0.64 9 0.00 21 2 4 3 0.0 0 0
Water Year Totals: 14.15" 9.68" 364 days 8.45" 152 1.23" 212 days 49 81 days 43 days 41.5" 31 days 1 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 0.05
10/2/2017 0.21
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 **
10/20/2017 **
10/21/2017 **
10/22/2017 **
10/23/2017 **
10/24/2017 **
10/25/2017 0.00
10/26/2017 T
10/27/2017 T
10/28/2017 **
10/29/2017 0.00
10/30/2017 0.02
10/31/2017 0.00
11/1/2017 0.24
11/2/2017 0.12
11/3/2017 T
11/4/2017 T
11/5/2017 T
11/6/2017 0.00
11/7/2017 0.03
11/8/2017 **
11/9/2017 **
11/10/2017 **
11/11/2017 0.00
11/12/2017 0.01
11/13/2017 **
11/14/2017 0.00
11/15/2017 0.05
11/16/2017 0.00
11/17/2017 0.01
11/18/2017 **
11/19/2017 **
11/20/2017 0.00
11/21/2017 0.02
11/22/2017 **
11/23/2017 0.00
11/24/2017 0.08
11/25/2017 **
11/26/2017 **
11/27/2017 0.00
11/28/2017 0.03
11/29/2017 0.00
11/30/2017 T
12/1/2017 **
12/2/2017 **
12/3/2017 0.00
12/4/2017 0.08
12/5/2017 0.00
12/6/2017 0.03
12/7/2017 0.01
12/8/2017 **
12/9/2017 **
12/10/2017 **
12/11/2017 **
12/12/2017 **
12/13/2017 0.00
12/14/2017 T
12/15/2017 **
12/16/2017 **
12/17/2017 **
12/18/2017 0.00
12/19/2017 0.03
12/20/2017
12/21/2017 0.02
12/22/2017 0.01
12/23/2017 0.03
12/24/2017 T
12/25/2017 **
12/26/2017 **
12/27/2017 0.00
12/28/2017 0.02
12/29/2017 0.14
12/30/2017 0.12
12/31/2017 0.04
Day of YearDaily PrcpMultiday Prcp
1/1/2018 T
1/2/2018 **
1/3/2018 **
1/4/2018 **
1/5/2018 **
1/6/2018 0.00
1/7/2018 0.03
1/8/2018 **
1/9/2018 **
1/10/2018 0.00
1/11/2018 0.12
1/12/2018 T
1/13/2018 **
1/14/2018 0.13
1/15/2018 0.04
1/16/2018 **
1/17/2018 **
1/18/2018 **
1/19/2018 0.00
1/20/2018 0.01
1/21/2018 **
1/22/2018 **
1/23/2018 **
1/24/2018 **
1/25/2018 **
1/26/2018 **
1/27/2018 **
1/28/2018 0.00
1/29/2018 0.05
1/30/2018 **
1/31/2018 0.00
2/1/2018 0.01
2/2/2018 T
2/3/2018
2/4/2018 0.20
2/5/2018 0.19
2/6/2018 0.00
2/7/2018 T
2/8/2018 **
2/9/2018 0.36
2/10/2018 0.03
2/11/2018 **
2/12/2018 0.03
2/13/2018 0.00
2/14/2018 0.00
2/15/2018 0.15
2/16/2018 0.00
2/17/2018 0.02
2/18/2018 0.09
2/19/2018 0.11
2/20/2018 0.05
2/21/2018 **
2/22/2018 **
2/23/2018 **
2/24/2018 **
2/25/2018 **
2/26/2018 **
2/27/2018 **
2/28/2018 **
3/1/2018 **
3/2/2018 **
3/3/2018 **
3/4/2018 0.00
3/5/2018 T
3/6/2018 0.02
3/7/2018 **
3/8/2018 **
3/9/2018 0.00
3/10/2018 **
3/11/2018 0.03
3/12/2018 **
3/13/2018 **
3/14/2018 **
3/15/2018 **
3/16/2018 0.25
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.10
3/20/2018 **
3/21/2018 **
3/22/2018 **
3/23/2018 **
3/24/2018 **
3/25/2018 0.00
3/26/2018 **
3/27/2018 0.10
3/28/2018 T
3/29/2018 0.02
3/30/2018 0.00
3/31/2018 0.06
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 **
4/3/2018 0.25
4/4/2018 0.00
4/5/2018 **
4/6/2018 0.08
4/7/2018 0.00
4/8/2018 0.04
4/9/2018 T
4/10/2018 T
4/11/2018 0.00
4/12/2018 0.23
4/13/2018 0.08
4/14/2018 0.04
4/15/2018 **
4/16/2018 0.00
4/17/2018 T
4/18/2018 0.02
4/19/2018 **
4/20/2018 **
4/21/2018 **
4/22/2018 **
4/23/2018 0.00
4/24/2018 0.42
4/25/2018 **
4/26/2018 **
4/27/2018 **
4/28/2018 **
4/29/2018 0.00
4/30/2018 0.29
5/1/2018 0.13
5/2/2018 **
5/3/2018 **
5/4/2018 **
5/5/2018 **
5/6/2018 **
5/7/2018 0.00
5/8/2018 0.02
5/9/2018 0.02
5/10/2018 0.04
5/11/2018 0.00
5/12/2018 0.20
5/13/2018 0.03
5/14/2018 0.00
5/15/2018 0.10
5/16/2018 0.00
5/17/2018 0.13
5/18/2018 T
5/19/2018 0.07
5/20/2018 **
5/21/2018 **
5/22/2018 **
5/23/2018 0.00
5/24/2018 T
5/25/2018 **
5/26/2018 0.00
5/27/2018 T
5/28/2018 T
5/29/2018 0.20
5/30/2018 T
5/31/2018 0.00
6/1/2018 0.02
6/2/2018 0.17
6/3/2018 **
6/4/2018 **
6/5/2018 **
6/6/2018 **
6/7/2018 0.00
6/8/2018 0.22
6/9/2018 **
6/10/2018 **
6/11/2018 0.00
6/12/2018 T
6/13/2018 **
6/14/2018 **
6/15/2018 0.00
6/16/2018 0.36
6/17/2018 T
6/18/2018 T
6/19/2018 0.11
6/20/2018 0.00
6/21/2018 T
6/22/2018 T
6/23/2018 0.14
6/24/2018 T
6/25/2018 T
6/26/2018 **
6/27/2018 **
6/28/2018 0.00
6/29/2018 0.23
6/30/2018 0.12
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 T
7/3/2018 T
7/4/2018 T
7/5/2018 **
7/6/2018 **
7/7/2018 0.00
7/8/2018 0.22
7/9/2018 0.02
7/10/2018 0.00
7/11/2018 0.04
7/12/2018 T
7/13/2018 **
7/14/2018 0.00
7/15/2018 T
7/16/2018 **
7/17/2018 0.00
7/18/2018 0.19
7/19/2018 **
7/20/2018 **
7/21/2018 **
7/22/2018 **
7/23/2018 **
7/24/2018 0.00
7/25/2018 T
7/26/2018 0.00
7/27/2018 T
7/28/2018 T
7/29/2018 0.01
7/30/2018 T
7/31/2018 **
8/1/2018 **
8/2/2018 **
8/3/2018 0.00
8/4/2018 T
8/5/2018 0.00
8/6/2018 T
8/7/2018 0.03
8/8/2018 **
8/9/2018 **
8/10/2018 **
8/11/2018 **
8/12/2018 **
8/13/2018 0.00
8/14/2018 0.15
8/15/2018 **
8/16/2018 **
8/17/2018 **
8/18/2018 0.00
8/19/2018 0.50
8/20/2018 0.00
8/21/2018 0.30
8/22/2018 **
8/23/2018 0.00
8/24/2018 0.01
8/25/2018 **
8/26/2018 **
8/27/2018 0.00
8/28/2018 0.21
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 0.00
9/19/2018 0.10
9/20/2018 0.27
9/21/2018 **
9/22/2018 **
9/23/2018 0.00
9/24/2018 T
9/25/2018 T
9/26/2018 0.00
9/27/2018 T
9/28/2018 0.25
9/29/2018 0.00
9/30/2018 0.02



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 8:00 AM 0.05 M M M M
10/2/2017 7:00 AM 0.21 M M M M
10/26/2017 7:00 AM T M M M M
10/27/2017 7:00 AM T T M M M
10/30/2017 7:00 AM 0.02 T M M M
10/31/2017 7:00 AM 0.00 0.0 M M M
11/1/2017 7:30 AM 0.24 M M M M
11/2/2017 7:00 AM 0.12 M M M M
11/3/2017 7:00 AM T M M M M Few snowflakes
11/4/2017 7:00 AM T T M M M
11/5/2017 7:00 AM T M M M M
11/6/2017 7:00 AM 0.00 0.0 M M M
11/7/2017 7:00 AM 0.03 1.1 M M M
11/12/2017 7:00 AM 0.01 M M M M
11/15/2017 7:00 AM 0.05 M M M M
11/16/2017 7:00 AM 0.00 0.0 M M M
11/17/2017 7:00 AM 0.01 M M M M
11/21/2017 7:00 AM 0.02 0.5 M M M
11/24/2017 7:00 AM 0.08 M M M M
11/28/2017 7:00 AM 0.03 M M M M
11/29/2017 7:00 AM 0.00 0.0 M M M
11/30/2017 7:00 AM T M M M M Few flakes from a front that blew threw yesterday.
12/4/2017 7:00 AM 0.08 1.7 M 1.7 M Guessing on snow amount thanks to the wind. Would say 1.5-2".
12/5/2017 7:00 AM 0.00 0.0 M M M
12/6/2017 7:00 AM 0.03 0.5 M M M Guessing a good 1/2" of snow. Hard to tell due to the wind.
12/7/2017 7:00 AM 0.01 0.4 M M M Guess on new snow due to wind.
12/14/2017 7:00 AM T M M M M Some sleet
12/19/2017 7:00 AM 0.03 0.5 M M M
12/21/2017 7:00 AM 0.02 0.4 M M M
12/22/2017 7:00 AM 0.01 0.3 M M M
12/23/2017 7:00 AM 0.03 0.9 M M M Fluffy snow
12/24/2017 7:00 AM T T M M M
12/28/2017 7:00 AM 0.02 0.7 M M M
12/29/2017 8:00 AM 0.14 2.3 M M M Wind drifted, so accumulation may be a bit off.
12/30/2017 8:00 AM 0.12 2.0 M M M Guess on accumulation due to the lovely wind.
12/31/2017 8:00 AM 0.04 M M M M Honestly don't know how much new snow as wind was awful and from the worst direction.
1/1/2018 7:00 AM T 0.1 M M M
1/7/2018 7:00 AM 0.03 M M M M Rain
1/11/2018 7:00 AM 0.12 M M M M Snow. Wind blew it so much unsure of amount. Guessing an inch or a bit more.
1/12/2018 7:00 AM T T M M M
1/15/2018 7:00 AM 0.04 1.7 M M M
1/20/2018 7:00 AM 0.01 M M M M
1/29/2018 7:00 AM 0.05 0.7 M M M
2/1/2018 7:00 AM 0.01 0.2 M M M
2/2/2018 8:00 AM T T M M M
2/4/2018 7:00 AM 0.20 6.0 M M M
2/5/2018 7:00 AM 0.19 4.3 M M M
2/6/2018 8:00 AM 0.00 0.0 M M M
2/7/2018 7:00 AM T 0.3 M M M
2/10/2018 7:00 AM 0.03 0.3 M M M
2/13/2018 7:00 AM 0.00 0.0 M M M
2/14/2018 7:00 AM 0.00 0.0 M M M
2/15/2018 2:00 PM 0.15 4.0 M M M Best guess is 4" of new snow. Wind blew it around a lot.
2/16/2018 7:00 AM 0.00 0.0 M M M
2/17/2018 7:00 AM 0.02 0.4 M M M
2/18/2018 12:00 PM 0.09 2.0 M M M
2/19/2018 7:00 AM 0.11 2.1 M M M
2/20/2018 7:00 AM 0.05 1.0 M M M
3/5/2018 7:00 AM T 0.1 M M M
3/6/2018 7:00 AM 0.02 M M M M Best guess on new snow would be .8". Wind howled.
3/17/2018 7:00 AM 0.00 0.0 M M M
3/18/2018 7:00 AM 0.00 0.0 M M M
3/19/2018 7:00 AM 0.10 1.0 M M M
3/28/2018 7:00 AM T M M M M
3/29/2018 7:00 AM 0.02 0.5 M M M
3/30/2018 7:00 AM 0.00 0.0 M M M
3/31/2018 7:00 AM 0.06 0.3 M M M Rain & snow
4/1/2018 7:00 AM 0.00 0.0 M M M
4/4/2018 7:00 AM 0.00 0.0 M M M
4/7/2018 7:00 AM 0.00 0.0 M M M
4/8/2018 7:00 AM 0.04 0.4 M M M
4/9/2018 7:00 AM T T M M M
4/10/2018 7:00 AM T M M M M Some snow flurries mid morning yesterday.
4/11/2018 7:00 AM 0.00 0.0 M M M
4/12/2018 7:00 AM 0.23 M M M M Rain ??
4/13/2018 7:00 AM 0.08 T M M M
4/14/2018 7:00 AM 0.04 T M M M
4/17/2018 7:00 AM T M M M M
4/18/2018 7:00 AM 0.02 M M M M
4/24/2018 7:00 AM 0.42 4.8 M M M Rain & wet snow
4/30/2018 7:00 AM 0.29 M M M M :)
5/1/2018 7:00 AM 0.13 M M M M
5/8/2018 7:00 AM 0.02 M M M M
5/9/2018 7:00 AM 0.02 M M M M
5/10/2018 7:00 AM 0.04 M M M M
5/11/2018 7:00 AM 0.00 0.0 M M M
5/12/2018 9:00 AM 0.20 M M M M
5/13/2018 7:00 AM 0.03 M M M M
5/14/2018 7:00 AM 0.00 0.0 M M M
5/15/2018 7:00 AM 0.10 M M M M
5/16/2018 8:00 AM 0.00 0.0 M M M
5/17/2018 7:00 AM 0.13 M M M M
5/18/2018 7:00 AM T M M M M
5/19/2018 7:00 AM 0.07 M M M M
5/24/2018 7:00 AM T M M M M
5/27/2018 7:00 AM T M M M M
5/28/2018 7:00 AM T M M M M
5/29/2018 7:00 AM 0.20 M M M M
5/30/2018 7:00 AM T M M M M
5/31/2018 7:00 AM 0.00 0.0 M M M
6/1/2018 7:00 AM 0.02 M M M M
6/2/2018 7:00 AM 0.17 M M M M
6/8/2018 7:00 AM 0.22 M M M M
6/12/2018 7:00 AM T M M M M
6/16/2018 7:00 AM 0.36 M M M M
6/17/2018 7:00 AM T M M M M
6/18/2018 7:00 AM T M M M M
6/19/2018 7:00 AM 0.11 M M M M
6/20/2018 7:00 AM 0.00 0.0 M M M
6/21/2018 7:00 AM T M M M M
6/22/2018 7:00 AM T M M M M Couple drops.
6/23/2018 7:00 AM 0.14 M M M M
6/24/2018 7:00 AM T M M M M
6/25/2018 7:00 AM T M M M M
6/29/2018 7:00 AM 0.23 M M M M Some hail. Pea size to a bit bigger.
6/30/2018 7:00 AM 0.12 M M M M
7/1/2018 7:00 AM 0.00 0.0 M M M
7/2/2018 7:00 AM T M M M M 20 drops or so.
7/3/2018 7:00 AM T M M M M Couple of drops.
7/4/2018 7:00 AM T M M M M 10 drops
7/8/2018 7:00 AM 0.22 M M M M
7/9/2018 7:00 AM 0.02 M M M M
7/10/2018 7:00 AM 0.00 0.0 M M M
7/11/2018 7:00 AM 0.04 M M M M
7/12/2018 7:00 AM T M M M M Sprinkle
7/15/2018 7:00 AM T M M M M Couple drops
7/18/2018 7:00 AM 0.19 M M M M
7/25/2018 7:00 AM T M M M M Couple of drops.
7/26/2018 7:00 AM 0.00 0.0 M M M
7/27/2018 7:00 AM T M M M M Sprinkle
7/28/2018 7:00 AM T M M M M Sprinkle
7/29/2018 7:00 AM 0.01 M M M M Shower
7/30/2018 7:00 AM T M M M M Couple sprinkles
8/4/2018 7:00 AM T M M M M Couple drops
8/5/2018 7:00 AM 0.00 0.0 M M M
8/6/2018 7:00 AM T M M M M Few drops
8/7/2018 7:00 AM 0.03 M M M M
8/14/2018 8:00 AM 0.15 M M M M
8/19/2018 7:00 AM 0.50 M M M M Finally a good rain! :)
8/20/2018 7:00 AM 0.00 0.0 M M M
8/21/2018 7:00 AM 0.30 M M M M :)
8/24/2018 7:00 AM 0.01 M M M M
8/28/2018 7:00 AM 0.21 M M M M
9/19/2018 7:00 AM 0.10 M M M M
9/20/2018 7:00 AM 0.27 M M M M
9/24/2018 7:00 AM T M M M M
9/25/2018 7:00 AM T M M M M
9/26/2018 7:00 AM 0.00 0.0 M M M
9/27/2018 7:00 AM T M M M M
9/28/2018 7:00 AM 0.25 M M M M
9/29/2018 7:00 AM 0.00 0.0 M M M
9/30/2018 7:00 AM 0.02 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/3/2017 10/25/2017 7:00 AM 23 0.00 M M
10/28/2017 10/29/2017 7:00 AM 2 0.00 M M
11/8/2017 11/11/2017 7:00 AM 4 0.00 M M
11/13/2017 11/14/2017 7:00 AM 2 0.00 M M
11/18/2017 11/20/2017 7:00 AM 3 0.00 M M
11/22/2017 11/23/2017 7:00 AM 2 0.00 M M
11/25/2017 11/27/2017 7:00 AM 3 0.00 M M
12/1/2017 12/03/2017 7:00 AM 3 0.00 M M
12/8/2017 12/13/2017 7:00 AM 6 0.00 M M
12/15/2017 12/18/2017 7:00 AM 4 0.00 M M
12/25/2017 12/27/2017 7:00 AM 3 0.00 M M
1/2/2018 1/06/2018 7:00 AM 5 0.00 M M
1/8/2018 1/10/2018 7:00 AM 3 0.00 M M
1/13/2018 1/14/2018 7:00 AM 2 0.13 M M 1.4" of new snow over the 2 days.
1/16/2018 1/19/2018 7:00 AM 4 0.00 M M
1/21/2018 1/28/2018 7:00 AM 8 0.00 M M
1/30/2018 1/31/2018 7:00 AM 2 0.00 M M
2/8/2018 2/09/2018 7:30 AM 2 0.36 M M No idea how much new snow. Wind howled!
2/11/2018 2/12/2018 7:00 AM 2 0.03 M M No idea on new snow thanks to the wind.
2/21/2018 3/04/2018 7:00 AM 12 0.00 M M
3/7/2018 3/09/2018 7:00 AM 3 0.00 M M
3/10/2018 3/11/2018 7:00 AM 2 0.03 M M Some rain and guessing a good 1" maybe a bit more snow. All was wet, but only .03" for moisture. Though it would be more.
3/12/2018 3/15/2018 7:00 AM 4 0.00 M M
3/15/2018 3/16/2018 7:00 AM 2 0.25 M M Rain and snow. 2" of new snow.
3/20/2018 3/25/2018 7:00 AM 6 0.00 M M
3/26/2018 3/27/2018 7:00 AM 2 0.10 M M
4/2/2018 4/03/2018 9:00 AM 2 0.25 M M At least 5-6" of new snow that stuck. Wind blew it pretty good.
4/5/2018 4/06/2018 7:00 AM 2 0.08 M M .5" of snow stuck in the end.
4/15/2018 4/16/2018 7:00 AM 2 0.00 M M
4/19/2018 4/23/2018 7:00 AM 5 0.00 M M
4/25/2018 4/29/2018 7:00 AM 5 0.00 M M
5/2/2018 5/07/2018 7:00 AM 6 0.00 M M
5/20/2018 5/23/2018 7:00 AM 4 0.00 M M
5/25/2018 5/26/2018 7:00 AM 2 0.00 M M
6/3/2018 6/07/2018 7:00 AM 5 0.00 M M
6/9/2018 6/11/2018 7:00 AM 3 0.00 M M
6/13/2018 6/15/2018 7:00 AM 3 0.00 M M
6/26/2018 6/28/2018 7:00 AM 3 0.00 M M
7/5/2018 7/07/2018 7:00 AM 3 0.00 M M
7/13/2018 7/14/2018 7:00 AM 2 0.00 M M
7/16/2018 7/17/2018 7:00 AM 2 0.00 M M
7/19/2018 7/24/2018 7:00 AM 6 0.00 M M
7/31/2018 8/03/2018 7:00 AM 4 0.00 M M
8/8/2018 8/13/2018 7:00 AM 6 0.00 M M
8/15/2018 8/18/2018 7:00 AM 4 0.00 M M
8/22/2018 8/23/2018 7:00 AM 2 0.00 M M
8/25/2018 8/27/2018 7:00 AM 3 0.00 M M
8/29/2018 9/18/2018 7:00 AM 21 0.00 M M
9/21/2018 9/23/2018 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