Station Overview Station Location
Station Number MT-RB-1 Latitude 45.90202
Station Name Colstrip 0.6 NE (Closed) Longitude -106.625708
County Rosebud Elevation (ft) 3245



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 12 1.22 1.35 31 1.35 31 0.00 0 0 8 2 0.0 0 0
Nov 12 0.67 0.50 29 0.50 24 0.00 5 1 2 1 2.0 1 0
Dec 12 0.44 0.27 31 0.13 21 0.14 10 3 1 2 1.0 1 0
Jan 13 0.46 0.59 31 0.59 31 0.00 0 0 4 6 6.0 3 0
Feb 13 0.44 0.53 27 0.53 27 0.00 0 0 2 2 4.0 2 0
March 13 1.03 0.44 3 0.44 3 0.00 0 0 1 0 2.0 1 0
April 13 1.45 2.52 11 1.59 6 0.93 5 1 6 0 4.0 3 0
May 13 2.48 7.53 10 7.53 10 0.00 0 0 10 0 0.0 0 0
June 13 2.64 4.24 7 4.24 7 0.00 0 0 7 0 0.0 0 0
July 13 1.37 0.48 2 0.48 2 0.00 0 0 2 0 0.0 0 0
Aug 13 0.95 0.80 2 0.80 2 0.00 0 0 1 0 0.0 0 0
Sept 13 1.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 14.44" 19.25" 184 days 18.18" 164 1.07" 20 days 5 44 days 13 days 19.0" 11 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
10/1/2012 0.00
10/2/2012 0.00
10/3/2012 T
10/4/2012 0.30
10/5/2012 0.00
10/6/2012 0.03
10/7/2012 0.00
10/8/2012 T
10/9/2012 0.69
10/10/2012 0.03
10/11/2012 0.00
10/12/2012 0.00
10/13/2012 0.00
10/14/2012 0.00
10/15/2012 0.00
10/16/2012 0.00
10/17/2012 0.00
10/18/2012 0.03
10/19/2012 0.00
10/20/2012 0.00
10/21/2012 0.20
10/22/2012 0.06
10/23/2012 0.00
10/24/2012 0.01
10/25/2012 0.00
10/26/2012 0.00
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 0.00
10/30/2012 0.00
10/31/2012 0.00
11/1/2012 0.00
11/2/2012 0.05
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012 0.00
11/9/2012 0.00
11/10/2012 0.45
11/11/2012 T
11/12/2012 0.00
11/13/2012 0.00
11/14/2012 0.00
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 **
11/19/2012 **
11/20/2012 **
11/21/2012 **
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 0.00
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 0.00
11/28/2012 0.00
11/29/2012 0.00
11/30/2012
12/1/2012 0.00
12/2/2012 0.00
12/3/2012 0.00
12/4/2012 0.00
12/5/2012 0.00
12/6/2012 **
12/7/2012 **
12/8/2012 0.14
12/9/2012 0.13
12/10/2012 0.00
12/11/2012 **
12/12/2012 **
12/13/2012 **
12/14/2012 T
12/15/2012 0.00
12/16/2012 0.00
12/17/2012 0.00
12/18/2012 0.00
12/19/2012 0.00
12/20/2012 0.00
12/21/2012 0.00
12/22/2012 0.00
12/23/2012 T
12/24/2012 0.00
12/25/2012 T
12/26/2012 **
12/27/2012 **
12/28/2012 T
12/29/2012 0.00
12/30/2012 0.00
12/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.00
1/2/2013 0.05
1/3/2013 0.00
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.00
1/7/2013 0.00
1/8/2013 0.00
1/9/2013 0.00
1/10/2013 0.00
1/11/2013 0.22
1/12/2013 T
1/13/2013 0.04
1/14/2013 0.00
1/15/2013 T
1/16/2013 0.00
1/17/2013 0.00
1/18/2013 0.00
1/19/2013 0.00
1/20/2013 0.00
1/21/2013 T
1/22/2013 0.00
1/23/2013 0.00
1/24/2013 0.00
1/25/2013 0.00
1/26/2013 0.00
1/27/2013 T
1/28/2013 T
1/29/2013 0.00
1/30/2013 T
1/31/2013 0.28
2/1/2013 0.00
2/2/2013 0.00
2/3/2013 T
2/4/2013 0.00
2/5/2013 0.00
2/6/2013 0.00
2/7/2013 0.00
2/8/2013 0.00
2/9/2013 0.00
2/10/2013 0.00
2/11/2013 0.14
2/12/2013 0.00
2/13/2013 0.00
2/14/2013 0.00
2/15/2013 T
2/16/2013 0.00
2/17/2013 0.00
2/18/2013 0.00
2/19/2013 0.39
2/20/2013 0.00
2/21/2013 0.00
2/22/2013 0.00
2/23/2013 0.00
2/24/2013
2/25/2013 0.00
2/26/2013 0.00
2/27/2013 0.00
2/28/2013 0.00
3/1/2013 0.00
3/2/2013 0.00
3/3/2013
3/4/2013 0.44
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013 0.05
4/7/2013 0.02
4/8/2013 0.71
4/9/2013 0.03
4/10/2013
4/11/2013
4/12/2013 **
4/13/2013 **
4/14/2013 **
4/15/2013 **
4/16/2013 0.93
4/17/2013
4/18/2013
4/19/2013
4/20/2013 0.23
4/21/2013
4/22/2013 0.55
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013 0.18
5/17/2013
5/18/2013
5/19/2013 0.25
5/20/2013 1.07
5/21/2013 0.47
5/22/2013 0.03
5/23/2013
5/24/2013
5/25/2013
5/26/2013 0.15
5/27/2013
5/28/2013 0.43
5/29/2013 0.13
5/30/2013 1.77
5/31/2013 3.05
6/1/2013
6/2/2013 0.50
6/3/2013
6/4/2013 0.13
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013 0.07
6/12/2013 0.44
6/13/2013 0.06
6/14/2013 1.58
6/15/2013
6/16/2013
6/17/2013
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013 1.46
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013 0.03
7/5/2013
7/6/2013
7/7/2013
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013
7/15/2013
7/16/2013
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013
7/27/2013
7/28/2013
7/29/2013
7/30/2013 0.45
7/31/2013
8/1/2013
8/2/2013
8/3/2013
8/4/2013 0.00
8/5/2013
8/6/2013
8/7/2013
8/8/2013
8/9/2013
8/10/2013
8/11/2013
8/12/2013
8/13/2013 0.80
8/14/2013
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013
8/24/2013
8/25/2013
8/26/2013
8/27/2013
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013
9/2/2013
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013
9/10/2013
9/11/2013
9/12/2013
9/13/2013
9/14/2013
9/15/2013
9/16/2013
9/17/2013
9/18/2013
9/19/2013
9/20/2013
9/21/2013
9/22/2013
9/23/2013
9/24/2013
9/25/2013
9/26/2013
9/27/2013
9/28/2013
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:00 AM 0.00 0.0 M M M
10/2/2012 7:00 AM 0.00 0.0 M M M
10/3/2012 7:00 AM T M M M M At 0500hrs the temp was 46 degrees and cloudy, by 1000hrs it was down to 33 degrees and snowing
10/4/2012 7:00 AM 0.30 M M M M
10/5/2012 7:00 AM 0.00 0.0 M M M
10/6/2012 7:00 AM 0.03 T M M M
10/7/2012 7:00 AM 0.00 0.0 M M M
10/8/2012 7:00 AM T M M M M Started sprinkling rain about 0700hrs
10/9/2012 7:00 AM 0.69 M M M M
10/10/2012 7:00 AM 0.03 M M M M
10/11/2012 7:00 AM 0.00 0.0 M M M
10/12/2012 7:00 AM 0.00 0.0 M M M
10/13/2012 7:00 AM 0.00 0.0 M M M
10/14/2012 7:00 AM 0.00 0.0 M M M
10/15/2012 7:00 AM 0.00 0.0 M M M
10/16/2012 7:00 AM 0.00 0.0 M M M
10/17/2012 7:00 AM 0.00 0.0 M M M
10/18/2012 6:00 AM 0.03 0.0 M M M
10/19/2012 7:00 AM 0.00 0.0 M M M
10/20/2012 7:00 AM 0.00 0.0 M M M
10/21/2012 7:00 AM 0.20 M M M M
10/22/2012 7:00 AM 0.06 M M M M
10/23/2012 7:00 AM 0.00 0.0 M M M
10/24/2012 7:00 AM 0.01 M M M M
10/25/2012 7:00 AM 0.00 0.0 M M M
10/26/2012 7:00 AM 0.00 0.0 M M M
10/27/2012 7:00 AM 0.00 0.0 M M M
10/28/2012 7:00 AM 0.00 0.0 M M M
10/29/2012 7:00 AM 0.00 0.0 M M M
10/30/2012 7:00 AM 0.00 0.0 M M M
10/31/2012 7:00 AM 0.00 0.0 M M M
11/1/2012 7:00 AM 0.00 0.0 M M M
11/2/2012 7:00 AM 0.05 M M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/4/2012 7:00 AM 0.00 0.0 M M M
11/5/2012 7:00 AM 0.00 0.0 M M M
11/6/2012 7:00 AM 0.00 0.0 M M M
11/7/2012 7:00 AM 0.00 0.0 M M M
11/8/2012 7:00 AM 0.00 0.0 M M M
11/9/2012 7:00 AM 0.00 0.0 M M M
11/10/2012 7:00 AM 0.45 2.0 M M M
11/11/2012 7:00 AM T T M M M
11/12/2012 7:00 AM 0.00 0.0 M M M
11/13/2012 7:00 AM 0.00 0.0 M M M
11/14/2012 6:00 AM 0.00 0.0 M M M
11/15/2012 6:00 AM 0.00 0.0 M M M
11/16/2012 7:00 AM 0.00 0.0 M M M
11/17/2012 7:00 AM 0.00 0.0 M M M
11/23/2012 7:00 AM 0.00 0.0 M M M
11/24/2012 7:00 AM 0.00 0.0 M M M
11/25/2012 7:00 AM 0.00 0.0 M M M
11/26/2012 7:00 AM 0.00 0.0 M M M
11/27/2012 7:00 AM 0.00 0.0 M M M
11/28/2012 7:00 AM 0.00 0.0 M M M
11/29/2012 7:00 AM 0.00 0.0 M M M
12/1/2012 7:00 AM 0.00 0.0 M M M
12/2/2012 7:00 AM 0.00 0.0 M M M
12/3/2012 7:00 AM 0.00 0.0 M M M
12/4/2012 7:00 AM 0.00 0.0 M M M
12/5/2012 7:00 AM 0.00 0.0 M M M
12/9/2012 7:00 AM 0.13 1.0 M M M
12/10/2012 7:00 AM 0.00 0.0 M M M
12/15/2012 7:00 AM 0.00 0.0 M M M
12/16/2012 7:00 AM 0.00 0.0 M M M
12/17/2012 7:00 AM 0.00 0.0 M M M
12/18/2012 7:00 AM 0.00 0.0 M M M
12/19/2012 7:00 AM 0.00 0.0 M M M
12/20/2012 7:00 AM 0.00 0.0 M M M
12/21/2012 6:00 AM 0.00 0.0 M M M 18*F
12/22/2012 7:00 AM 0.00 0.0 M M M
12/23/2012 6:00 AM T T M M M 11*f
12/24/2012 6:00 AM 0.00 0.0 M M M
12/25/2012 6:00 AM T T M M M 2*F
12/29/2012 7:00 AM 0.00 0.0 M M M
12/30/2012 7:00 AM 0.00 0.0 M M M
12/31/2012 7:00 AM 0.00 0.0 M M M
1/1/2013 7:00 AM 0.00 0.0 M M M 17*F
1/2/2013 7:00 AM 0.05 1.0 M M M
1/3/2013 7:00 AM 0.00 0.0 M M M
1/4/2013 7:00 AM 0.00 0.0 M M M
1/5/2013 7:00 AM 0.00 0.0 M M M
1/6/2013 7:00 AM 0.00 0.0 M M M
1/7/2013 7:00 AM 0.00 0.0 M M M
1/8/2013 7:00 AM 0.00 0.0 M M M
1/9/2013 6:00 AM 0.00 0.0 M M M
1/10/2013 7:00 AM 0.00 0.0 M M M 31*f
1/11/2013 7:00 AM 0.22 2.0 0.22 M M
1/12/2013 7:00 AM T M M M M
1/13/2013 7:00 AM 0.04 T 0.04 M M
1/14/2013 7:00 AM 0.00 0.0 M M M
1/15/2013 7:00 AM T T M M M 23*f and blowing 22 mph and snowing, that is if the snow is actually coming from the sky or maybe its blowing off the ground.
1/16/2013 7:00 AM 0.00 0.0 M M M 33*f and windy
1/17/2013 7:00 AM 0.00 0.0 M M M
1/18/2013 6:00 AM 0.00 0.0 M M M 42* and calm
1/19/2013 7:00 AM 0.00 0.0 M M M
1/20/2013 7:00 AM 0.00 0.0 M M M
1/21/2013 6:00 AM T T M M M
1/22/2013 7:00 AM 0.00 0.0 M M M 11*f
1/23/2013 7:00 AM 0.00 0.0 M M M 11*f again
1/24/2013 7:00 AM 0.00 0.0 M M M 24*f
1/25/2013 7:00 AM 0.00 0.0 M M M
1/26/2013 7:00 AM 0.00 0.0 M M M
1/27/2013 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.0.7
1/28/2013 7:00 AM T M M M M 24*f its on its way
1/29/2013 7:00 AM 0.00 0.0 M M M
1/30/2013 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.0.7
1/31/2013 7:00 AM 0.28 3.0 0.28 M M -7°f looks like snow is slowing.
2/1/2013 7:00 AM 0.00 0.0 M M M
2/2/2013 7:00 AM 0.00 0.0 M M M
2/3/2013 7:00 AM T M M M M 42°f
2/4/2013 7:00 AM 0.00 0.0 M M M 37°f
2/5/2013 7:00 AM 0.00 0.0 M M M
2/6/2013 7:00 AM 0.00 0.0 M M M
2/7/2013 7:00 AM 0.00 0.0 M M M
2/8/2013 7:00 AM 0.00 0.0 M M M
2/9/2013 7:00 AM 0.00 0.0 M M M
2/10/2013 7:00 AM 0.00 0.0 M M M
2/11/2013 7:00 AM 0.14 1.0 0.14 M M Submitted via CoCoRaHS Observer for Android version 1.0.8
2/12/2013 7:00 AM 0.00 0.0 M M M
2/13/2013 7:00 AM 0.00 0.0 M M M
2/14/2013 7:00 AM 0.00 0.0 M M M
2/15/2013 7:00 AM T M M M M
2/16/2013 7:00 AM 0.00 0.0 M M M
2/17/2013 7:00 AM 0.00 0.0 M M M
2/18/2013 7:00 AM 0.00 0.0 M M M
2/19/2013 7:00 AM 0.39 3.0 M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
2/20/2013 5:39 AM 0.00 0.0 M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
2/21/2013 7:00 AM 0.00 0.0 M M M
2/22/2013 7:00 AM 0.00 0.0 M M M
2/23/2013 7:00 AM 0.00 0.0 M M M
2/25/2013 7:00 AM 0.00 0.0 M M M
2/26/2013 7:00 AM 0.00 0.0 M M M
2/27/2013 7:00 AM 0.00 0.0 M M M
2/28/2013 7:00 AM 0.00 0.0 M M M
3/1/2013 7:00 AM 0.00 0.0 M M M
3/2/2013 7:00 AM 0.00 0.0 M M M
3/4/2013 7:00 AM 0.44 2.0 0.44 M M
4/6/2013 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
4/7/2013 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
4/8/2013 7:00 AM 0.71 2.0 M M M Started raining about 4 pm by midnight it had rained about .27 started snowing about 2 am and by 6 am had snowed the 2+ inches of really wet snow.
4/9/2013 7:00 AM 0.03 1.0 M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
4/20/2013 7:00 AM 0.23 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
4/22/2013 7:00 AM 0.55 1.0 0.55 M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/16/2013 7:00 AM 0.18 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/19/2013 7:00 AM 0.25 M M M M
5/20/2013 6:00 AM 1.07 M M M M
5/21/2013 6:00 AM 0.47 M M M M
5/22/2013 5:15 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/26/2013 7:00 AM 0.15 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/28/2013 5:15 AM 0.43 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/29/2013 7:00 AM 0.13 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/30/2013 5:15 AM 1.77 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
5/31/2013 7:00 AM 3.05 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/2/2013 7:00 AM 0.50 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/4/2013 7:00 AM 0.13 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/11/2013 7:00 AM 0.07 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/12/2013 5:34 AM 0.44 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/13/2013 5:52 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/14/2013 5:03 AM 1.58 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
6/23/2013 7:00 AM 1.46 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
7/4/2013 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
7/30/2013 7:00 AM 0.45 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
8/4/2013 7:00 AM 0.00 0.0 M M M Submitted via CoCoRaHS Observer for Android version 1.0.8
8/13/2013 7:00 AM 0.80 M M M M Submitted via CoCoRaHS Observer for Android version 1.0.8



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/18/2012 11/22/2012 12:00 AM 5 0.00 M M
12/6/2012 12/08/2012 12:00 AM 3 0.14 1.0 M
12/11/2012 12/14/2012 12:00 AM 4 T T M
12/26/2012 12/28/2012 6:50 AM 3 T T M
4/12/2013 4/16/2013 7:00 AM 5 0.93 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