Station Overview Station Location
Station Number MT-MH-4 Latitude 46.477905
Station Name Roundup 6.2 ENE Longitude -108.416553
County Musselshell Elevation (ft) 3148



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 10 0.98 0.83 31 0.83 31 0.00 0 0 6 2 0.0 0 0
Nov 10 0.38 1.00 30 1.00 30 0.00 0 0 8 5 4.1 5 5
Dec 10 0.41 0.92 31 0.92 31 0.00 0 0 6 5 6.3 4 2
Jan 11 0.37 0.39 31 0.39 31 0.00 0 0 7 9 1.2 2 2
Feb 11 0.32 0.59 28 0.59 28 0.00 0 0 8 4 13.2 9 9
March 11 0.72 0.78 31 0.78 31 0.00 0 0 7 6 3.8 4 2
April 11 1.38 2.41 30 2.41 30 0.00 0 0 13 6 0.2 1 1
May 11 2.32 6.46 31 6.46 31 0.00 0 0 16 4 0.0 0 0
June 11 2.61 3.57 30 3.57 30 0.00 0 0 14 1 0.0 0 0
July 11 1.57 2.01 31 2.01 31 0.00 0 0 11 2 0.0 0 0
Aug 11 1.13 0.92 31 0.92 31 0.00 0 0 9 5 0.0 0 0
Sept 11 1.19 0.12 30 0.12 30 0.00 0 0 2 2 0.0 0 0
Water Year Totals: 13.38" 20.00" 365 days 20.00" 365 0.00" 0 days 0 107 days 51 days 28.8" 25 days 21 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
10/1/2010 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 T
10/7/2010 0.00
10/8/2010 0.00
10/9/2010 0.44
10/10/2010 0.08
10/11/2010 0.00
10/12/2010 0.14
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.06
10/18/2010 0.00
10/19/2010 0.00
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.00
10/24/2010 0.00
10/25/2010 0.10
10/26/2010 T
10/27/2010 0.01
10/28/2010 0.00
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.34
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 T
11/14/2010 0.00
11/15/2010 0.12
11/16/2010 0.09
11/17/2010 0.01
11/18/2010 0.00
11/19/2010 T
11/20/2010 0.15
11/21/2010 0.10
11/22/2010 T
11/23/2010 0.10
11/24/2010 T
11/25/2010 T
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 0.09
11/30/2010 0.00
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.29
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 T
12/12/2010 0.00
12/13/2010 0.04
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.00
12/18/2010 T
12/19/2010 T
12/20/2010 0.10
12/21/2010 T
12/22/2010 0.00
12/23/2010 T
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.13
12/30/2010 0.28
12/31/2010 0.08
Day of YearDaily PrcpMultiday Prcp
1/1/2011 T
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 T
1/8/2011 0.08
1/9/2011 0.04
1/10/2011 T
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 T
1/17/2011 T
1/18/2011 T
1/19/2011 T
1/20/2011 0.00
1/21/2011 0.00
1/22/2011 0.00
1/23/2011 0.02
1/24/2011 0.14
1/25/2011 0.04
1/26/2011 T
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 T
1/30/2011 0.06
1/31/2011 0.01
2/1/2011 0.00
2/2/2011 0.00
2/3/2011 0.00
2/4/2011 0.00
2/5/2011 T
2/6/2011 0.02
2/7/2011 0.15
2/8/2011 0.02
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.31
2/18/2011 T
2/19/2011 T
2/20/2011 0.01
2/21/2011 0.04
2/22/2011 0.00
2/23/2011 T
2/24/2011 0.03
2/25/2011 0.01
2/26/2011 0.00
2/27/2011 0.00
2/28/2011 0.00
3/1/2011 T
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 T
3/5/2011 0.00
3/6/2011 0.04
3/7/2011 0.01
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.00
3/11/2011 0.24
3/12/2011 0.00
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.08
3/17/2011 0.00
3/18/2011 T
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.00
3/22/2011 T
3/23/2011 0.29
3/24/2011 0.00
3/25/2011 0.00
3/26/2011 0.04
3/27/2011 0.00
3/28/2011 0.08
3/29/2011 T
3/30/2011 0.00
3/31/2011 T
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.35
4/2/2011 T
4/3/2011 T
4/4/2011 T
4/5/2011 T
4/6/2011 T
4/7/2011 T
4/8/2011 0.48
4/9/2011 0.07
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 0.12
4/15/2011 0.02
4/16/2011 0.00
4/17/2011 0.01
4/18/2011 0.00
4/19/2011 0.08
4/20/2011 0.05
4/21/2011 0.00
4/22/2011 0.65
4/23/2011 0.44
4/24/2011 0.00
4/25/2011 0.00
4/26/2011 0.00
4/27/2011 0.05
4/28/2011 0.00
4/29/2011 0.02
4/30/2011 0.07
5/1/2011 T
5/2/2011 0.00
5/3/2011 0.00
5/4/2011 0.00
5/5/2011 T
5/6/2011 0.00
5/7/2011 T
5/8/2011 0.03
5/9/2011 0.69
5/10/2011 1.13
5/11/2011 0.07
5/12/2011 0.00
5/13/2011 0.00
5/14/2011 0.00
5/15/2011 0.00
5/16/2011 0.00
5/17/2011 0.04
5/18/2011 0.00
5/19/2011 T
5/20/2011 0.66
5/21/2011 1.34
5/22/2011 0.45
5/23/2011 0.13
5/24/2011 0.54
5/25/2011 0.40
5/26/2011 0.02
5/27/2011 0.00
5/28/2011 0.01
5/29/2011 0.01
5/30/2011 0.49
5/31/2011 0.45
6/1/2011 T
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.13
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 1.06
6/8/2011 0.73
6/9/2011 0.11
6/10/2011 0.45
6/11/2011 0.00
6/12/2011 0.02
6/13/2011 0.14
6/14/2011 0.14
6/15/2011 0.00
6/16/2011 0.12
6/17/2011 0.05
6/18/2011 0.00
6/19/2011 0.02
6/20/2011 0.00
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.21
6/25/2011 0.13
6/26/2011 0.26
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.02
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.10
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 0.81
7/9/2011 0.01
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.03
7/13/2011 0.02
7/14/2011 0.15
7/15/2011 0.05
7/16/2011 0.51
7/17/2011 T
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.24
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.07
7/27/2011 T
7/28/2011 0.00
7/29/2011 0.00
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 T
8/3/2011 T
8/4/2011 0.00
8/5/2011 0.12
8/6/2011 0.06
8/7/2011 0.00
8/8/2011 0.02
8/9/2011 0.03
8/10/2011 T
8/11/2011 0.01
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.00
8/16/2011 0.41
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 T
8/20/2011 0.00
8/21/2011 0.00
8/22/2011 0.00
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 T
8/27/2011 0.03
8/28/2011 0.00
8/29/2011 0.00
8/30/2011 0.06
8/31/2011 0.18
9/1/2011 0.00
9/2/2011 0.10
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.00
9/8/2011 0.00
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.00
9/17/2011 0.02
9/18/2011 T
9/19/2011 0.00
9/20/2011 T
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.00
9/24/2011 0.00
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.00
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.00 0.0 M M M
10/5/2010 7:00 AM 0.00 0.0 M M M
10/6/2010 7:00 AM T M M M M
10/7/2010 7:00 AM 0.00 0.0 M M M
10/8/2010 7:00 AM 0.00 0.0 M M M
10/9/2010 7:00 AM 0.44 M M M M
10/10/2010 7:00 AM 0.08 M M M M
10/11/2010 7:00 AM 0.00 0.0 M M M
10/12/2010 7:00 AM 0.14 M M M M
10/13/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.06 M M M M
10/18/2010 7:00 AM 0.00 0.0 M M M
10/19/2010 7:00 AM 0.00 0.0 M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.00 0.0 M M M
10/23/2010 7:00 AM 0.00 0.0 M M M
10/24/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.10 M M M M
10/26/2010 7:00 AM T M M M M
10/27/2010 7:00 AM 0.01 M M M M
10/28/2010 7:00 AM 0.00 0.0 M M M
10/29/2010 7:00 AM 0.00 0.0 M M M
10/30/2010 7:00 AM 0.00 0.0 M M M
10/31/2010 7:00 AM 0.00 0.0 M M M
11/1/2010 7:00 AM 0.00 0.0 M M M
11/2/2010 7:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.00 0.0 M M M
11/6/2010 7:00 AM 0.00 0.0 M M M
11/7/2010 7:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.34 0.0 0.00 0.0 0.00 Precipitation started out yesterday with a few periods of light drizzle. Then snow fell yesterday evening but had all melted in before observation time this morning.
11/10/2010 7:00 AM 0.00 0.0 M M M
11/11/2010 7:00 AM 0.00 0.0 M M M
11/12/2010 7:00 AM 0.00 0.0 M M M
11/13/2010 7:00 AM T T T T T We had a trace of corn snow last night.
11/14/2010 7:00 AM 0.00 0.0 M M M
11/15/2010 7:00 AM 0.12 M M M M We had rain around 11 PM.
11/16/2010 7:00 AM 0.09 M M M M We had rain during the night.
11/17/2010 7:00 AM 0.01 T T T T We had drizzle & a very light snow flurry yesterday & then a very light snow during the night.
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM T M M M M We had a few tiny snow flakes yesterday that melted into the ground as soon as they fell.
11/20/2010 7:00 AM 0.15 1.6 0.15 1.6 0.15
11/21/2010 7:00 AM 0.10 0.9 0.10 2.5 M We had snow yeaterday until late afternoon.
11/22/2010 7:00 AM T 0.6 T 3.1 M We had another light snow overnight.
11/23/2010 7:00 AM 0.10 0.5 0.10 3.6 M We had more snow last night.
11/24/2010 7:00 AM T T T 3.6 M
11/25/2010 7:00 AM T T T M M Total snow is now quite drifted!
11/26/2010 7:00 AM 0.00 0.0 0.00 M M Total snow is quite drifted.
11/27/2010 7:00 AM 0.00 0.0 M M M
11/28/2010 7:00 AM 0.00 0.0 M M M
11/29/2010 7:00 AM 0.09 0.5 0.09 M M Snow is quite drifted so new snow is a challenge to measure & total snow is a mystery.
11/30/2010 7:00 AM 0.00 0.0 M M M
12/1/2010 7:00 AM 0.00 0.0 M M M
12/2/2010 7:00 AM 0.00 0.0 0.00 M M Snow has melted into patches on the landscape.
12/3/2010 7:00 AM 0.29 T M M M We had light rain that started right before sunset yesterday afternoon & continued much of the night. The rain turned to light snow in the wee hours of the morning but the temperature in the mid 30's so not much stayed as snow accumlation.
12/4/2010 7:00 AM 0.00 0.0 0.00 M M Foggy this morning but not measurable ppt. Total snow is drifted & melted into patches.
12/5/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 7:00 AM 0.00 0.0 M M M
12/7/2010 7:00 AM 0.00 0.0 M M M
12/8/2010 7:00 AM 0.00 0.0 M M M
12/9/2010 7:00 AM 0.00 0.0 M M M
12/10/2010 7:00 AM 0.00 0.0 M M M
12/11/2010 7:00 AM T T T M M Total snow has melted into patches of snow drifts & ice.
12/12/2010 7:00 AM 0.00 0.0 M M M
12/13/2010 7:00 AM 0.04 0.0 0.04 T M We had wet snow yesterday morning that all melted during the afternoon. Total snow melted into patches many days ago.
12/14/2010 7:00 AM 0.00 0.0 M M M
12/15/2010 7:00 AM 0.00 0.0 M M M
12/16/2010 7:00 AM 0.00 0.0 M M M
12/17/2010 7:00 AM 0.00 0.0 M M M
12/18/2010 7:00 AM T T T T M
12/19/2010 7:00 AM T T T T M
12/20/2010 7:00 AM 0.10 2.0 0.10 M M We had a trace of snow yesterday morning and then snow during the night. Total snow is still drifted.
12/21/2010 7:00 AM T T T M M We had very light snow yesterday while we had sunshine! Total snow is drifted.
12/22/2010 7:00 AM 0.00 0.0 M M M
12/23/2010 7:00 AM T T T M M We had very light snow overnight. Total snow is drifted.
12/24/2010 7:00 AM 0.00 0.0 M M M
12/25/2010 7:00 AM 0.00 0.0 M M M
12/26/2010 7:00 AM 0.00 0.0 M M M
12/27/2010 7:00 AM 0.00 0.0 M M M
12/28/2010 7:00 AM 0.00 0.0 M M M
12/29/2010 7:00 AM 0.13 1.0 0.13 M M We had snow that started during the night & continues to fall.
12/30/2010 7:00 AM 0.28 2.5 0.28 3.5 M Very light snow continued this morning.
12/31/2010 7:00 AM 0.08 0.8 0.08 4.3 M Extremely light snow continued this morning.
1/1/2011 7:00 AM T T T 4.3 M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 7:00 AM 0.00 0.0 M M M
1/4/2011 7:00 AM 0.00 0.0 M M M
1/5/2011 7:00 AM 0.00 0.0 M M M
1/6/2011 7:00 AM 0.00 0.0 M M M
1/7/2011 7:00 AM T 0.0 0.00 M M We had a bit of drizzle yesterday evening. Snow drift melt caused minor flooding yesterday.
1/8/2011 7:00 AM 0.08 0.0 0.00 M M We had rain last night.
1/9/2011 7:00 AM 0.04 T M M M We had rain that turned to snow yesterday about mid~day. The snow that fell melted in quite a bit due to the rain so there is only a trace of new snow to measure.
1/10/2011 7:00 AM T T T M M We had a little light snow yesterday.
1/11/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 7:00 AM 0.00 0.0 M M M
1/13/2011 7:00 AM 0.00 0.0 M M M
1/14/2011 7:00 AM 0.00 0.0 M M M
1/15/2011 7:00 AM 0.00 0.0 M M M
1/16/2011 7:00 AM T T T M M We had a mixture of freezing drizzle & corn snow yesterday evening & during the night.
1/17/2011 7:00 AM T T T M M We had very light freezing rain that turned to a bit of snow overnight.
1/18/2011 7:00 AM T T T M M
1/19/2011 7:00 AM T T T M M We had a very light "snow mist" during the night.
1/20/2011 7:00 AM 0.00 0.0 M M M
1/21/2011 7:00 AM 0.00 0.0 M M M
1/22/2011 7:00 AM 0.00 0.0 M M M
1/23/2011 7:00 AM 0.02 T 0.02 M M We had intermittant snow flurries yesterday that started in the morning. Most of the snow melted in.
1/24/2011 7:00 AM 0.14 T 0.14 M M We had a very heavy wet snow last night that mostly melted in as it fell.
1/25/2011 7:00 AM 0.04 M M M M We had rain overnight.
1/26/2011 7:00 AM T M M M M We had a few minutes of drizzle yesterday afternoon.
1/27/2011 7:00 AM 0.00 0.0 M M M
1/28/2011 7:00 AM 0.00 0.0 M M M
1/29/2011 7:00 AM T M M M M We had ice crystals that fell over night last night.
1/30/2011 7:00 AM 0.06 0.8 0.06 M M
1/31/2011 7:00 AM 0.01 0.4 0.01 1.2 M
2/1/2011 7:00 AM 0.00 0.0 M M M
2/2/2011 7:00 AM 0.00 0.0 M M M
2/3/2011 7:00 AM 0.00 0.0 M M M
2/4/2011 7:00 AM 0.00 0.0 M M M
2/5/2011 7:00 AM T M M T M We had a few sprinkles of rain during the night.
2/6/2011 7:00 AM 0.02 0.3 0.02 M M We had a little snow last night & a bit of corn snow around noon yesterday. There are also some drifts of old snow & bits of ice hanging around ~ too variable to measure.
2/7/2011 7:00 AM 0.15 3.7 0.15 4.0 M Snow started during the night & continues this morning.
2/8/2011 7:00 AM 0.02 2.0 0.02 4.0 M Snow quit yesterday afternoon :)
2/9/2011 7:00 AM 0.00 0.0 M 6.0 M When I reported yesterday I didn't add the 2 inches of New Snow to the Total Snow on Ground Depth so I am adding it now.
2/10/2011 7:00 AM 0.00 0.0 0.00 6.0 M
2/11/2011 7:00 AM 0.00 0.0 M M M Total snow is drifted & melted into patches.
2/12/2011 7:00 AM 0.00 0.0 M M M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 7:00 AM 0.00 0.0 M M M
2/15/2011 7:00 AM 0.00 0.0 M M M
2/16/2011 7:00 AM 0.00 0.0 M M M
2/17/2011 7:00 AM 0.31 3.7 0.31 3.7 0.31 We had rain that turned to snow during the night.
2/18/2011 7:00 AM T T T 3.7 M
2/19/2011 7:00 AM T T T M M
2/20/2011 7:00 AM 0.01 0.2 0.01 M M
2/21/2011 7:00 AM 0.04 1.0 0.04 3.5 M
2/22/2011 7:00 AM 0.00 0.0 M M M
2/23/2011 7:00 AM T 0.3 T M M
2/24/2011 7:00 AM 0.03 1.0 0.30 3.5 M
2/25/2011 7:00 AM 0.01 1.0 0.01 3.5 M We had light snow yesterday into the evening but the skies cleared during the night.
2/26/2011 7:00 AM 0.00 0.0 0.00 M M Total snow is extremely drifted!!!
2/27/2011 7:00 AM 0.00 0.0 M M M
2/28/2011 7:00 AM 0.00 0.0 M M M
3/1/2011 7:00 AM T T T M M We had a few snowflakes around midnight.
3/2/2011 7:00 AM 0.00 0.0 M M M
3/3/2011 7:00 AM 0.00 0.0 M M M
3/4/2011 7:00 AM T T T M M We had alittle drizzle yesterday afternoon. Total snow is drifted and melted into patches.
3/5/2011 7:00 AM 0.00 0.0 M M M
3/6/2011 7:00 AM 0.04 1.1 0.04 M M We have new snow now on top of patches of drifted snow.
3/7/2011 7:00 AM 0.01 0.5 0.01 M M Total snow is drifted thus difficult to measure.
3/8/2011 7:00 AM 0.00 0.0 M M M
3/9/2011 7:00 AM 0.00 0.0 M M M
3/10/2011 7:00 AM 0.00 0.0 M M M
3/11/2011 7:00 AM 0.24 M M M M We had rain during the night. Lots of mud with melting snow drifts!!!
3/12/2011 7:00 AM 0.00 0.0 M M M
3/13/2011 7:00 AM 0.00 0.0 M M M
3/14/2011 7:00 AM 0.00 0.0 M M M
3/15/2011 7:00 AM 0.00 0.0 M M M
3/16/2011 7:00 AM 0.08 M M M M We had a light rain during the late night/early morning.
3/17/2011 7:00 AM 0.00 0.0 M M M
3/18/2011 7:00 AM T M M M M We had a trace of corn snow yesterday right before sunset that melted pretty soon after it fell.
3/19/2011 7:00 AM 0.00 0.0 M M M
3/20/2011 7:00 AM 0.00 0.0 M M M
3/21/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM T 0.3 T 0.3 T We had a little snow during the night.
3/23/2011 7:00 AM 0.29 1.9 0.29 1.9 0.29 We had wet snow that partially melted into the ground during the day yesterday until late afternoon. Then we had a bit more during the night.
3/24/2011 7:00 AM 0.00 0.0 M M M
3/25/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Foggy this morning!
3/26/2011 7:00 AM 0.04 T 0.04 T 0.04 We had snow around midnight that had pretty much melted by 7AM.
3/27/2011 7:00 AM 0.00 0.0 M M M
3/28/2011 7:00 AM 0.08 T 0.08 T 0.08
3/29/2011 7:00 AM T 0.0 0.00 0.0 0.00
3/30/2011 7:00 AM 0.00 0.0 M M M
3/31/2011 7:00 AM T M M M M We had a little drizzle yesterday afternoon and then a few sprinkles over night.
4/1/2011 7:00 AM 0.35 M M M M We had rain yesterday afternoon & evening that stopped during the night
4/2/2011 7:00 AM T M M M M We had a little drizzle yesterday afternoon & evening.
4/3/2011 7:00 AM T M M M M We had a bit of rain yesterday.
4/4/2011 7:00 AM T M M M M We had intermittant snow flurries yesterday morning that melted in immediately.
4/5/2011 7:00 AM T M M M M
4/6/2011 7:00 AM T M M M M We had a little drizzle yesterday.
4/7/2011 7:00 AM T M M M M I tried to report this morning but couldn't access the COCORAHS website. We had a bit of rain Wednesday night.
4/8/2011 7:00 AM 0.48 0.2 M 0.2 M We had rain that turned to snow around 6 AM this morning. Most of the snow is melting as it falls.
4/9/2011 7:00 AM 0.07 M M M M We had rain & snow yesterday because the air temperature was right around 32 degrees. The snow all melted on contact with the soil.
4/10/2011 7:00 AM 0.00 0.0 M M M
4/11/2011 7:00 AM 0.00 0.0 M M M
4/12/2011 7:00 AM 0.00 0.0 M M M
4/13/2011 7:00 AM 0.00 0.0 M M M My husband Marc & I took a NOAA severe weather spotters class last night in Roundup, Montana. We're ready for summer weather!!!
4/14/2011 7:00 AM 0.12 M M M M
4/15/2011 7:00 AM 0.02 M M M M We had a bit of drizzle and sleet yesterday.
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 7:00 AM 0.01 M M M M
4/18/2011 7:00 AM 0.00 0.0 M M M We had snow last night that had pretty much all melted by observation time.
4/19/2011 7:00 AM 0.08 T M T M Snow fell during the night & up to observation time this morning pretty much melted into patches as it fell. We have sun shining through @ the moment.
4/20/2011 7:00 AM 0.05 M M M M We had snow yesterday that all melted into the soil. If we hadn't been here during the snow falling we wouldn't have known that it had snowed at our house!
4/21/2011 7:00 AM 0.00 0.0 M M M
4/22/2011 7:00 AM 0.65 M M M M
4/23/2011 7:00 AM 0.44 T M T M Snow mostly melted in as it fell yesterday.
4/24/2011 7:00 AM 0.00 0.0 M M M
4/25/2011 7:00 AM 0.00 0.0 M M M
4/26/2011 7:00 AM 0.00 0.0 M M M
4/27/2011 7:00 AM 0.05 M M M M We had rain yesterday around 5 PM and then drizzle during the night.
4/28/2011 7:00 AM 0.00 0.0 M M M
4/29/2011 7:00 AM 0.02 M M M M We had a little rain last night.
4/30/2011 7:00 AM 0.07 M M M M We had rain with a little sleet during the night.
5/1/2011 7:00 AM T M M M M We had a few sprinkles of rain yesterday.
5/2/2011 7:00 AM 0.00 0.0 M M M
5/3/2011 7:00 AM 0.00 0.0 M M M
5/4/2011 7:00 AM 0.00 0.0 M M M
5/5/2011 7:00 AM T M M M M
5/6/2011 7:00 AM 0.00 0.0 M M M
5/7/2011 7:00 AM T M M M M We had a little bit of rain yesterday afternoon.
5/8/2011 7:00 AM 0.03 M M M M
5/9/2011 7:00 AM 0.69 M M M M
5/10/2011 7:00 AM 1.13 M M M M
5/11/2011 7:00 AM 0.07 M M M M Our water well pump flooded yesterday afternoon. Last time this happened to my knowledge was in our big flood in 1967. This time it has alot to do with our saturated flood plain soils from snow melt off earlier this year. (Edit: daily precip. initially recorded as 0.07". changed to NA due to discrepancy with nearby stations. observer contacted. P.G.)
5/12/2011 7:00 AM 0.00 0.0 M M M
5/13/2011 7:00 AM 0.00 0.0 M M M
5/14/2011 7:00 AM 0.00 0.0 M M M
5/15/2011 7:00 AM 0.00 0.0 M M M
5/16/2011 7:00 AM 0.00 0.0 M M M
5/17/2011 7:00 AM 0.04 M M M M
5/18/2011 7:00 AM 0.00 0.0 M M M
5/19/2011 7:00 AM T M M M M
5/20/2011 7:00 AM 0.66 M M M M
5/21/2011 7:00 AM 1.34 M M M M
5/22/2011 7:00 AM 0.45 M M M M Rain slowed to a drizzle yesterday and even stopped for awhile but started up again during the night.
5/23/2011 7:00 AM 0.13 M M M M
5/24/2011 7:00 AM 0.54 M M M M We had a little drizzle yesterday and sporadic heavy rains during the night & early morning.
5/25/2011 7:00 AM 0.40 M M M M
5/26/2011 7:00 AM 0.02 M M M M
5/27/2011 7:00 AM 0.00 0.0 M M M
5/28/2011 7:00 AM 0.01 M M M M
5/29/2011 7:00 AM 0.01 M M M M
5/30/2011 7:00 AM 0.49 M M M M I submitted this precip report yesterday but I just checked my monthly zeros & saw that yesterday's report didn't go through ~ we did have some computer "slowness" yesterday.
5/31/2011 7:00 AM 0.45 M M M M Our river valley is a mess!!! Looks like the main river channel has moved & cut off a great deal of land by our hay corrals & winter feeding facility. Some local contractor will get a lot of money to fix what we can... going to need to sell some of our mama cows to pay for this ~ sad... plus our hay crop has been washed away so will need to buy lots of hay for next winter. Many of our neighbors are in the some boat (no pun intended!)
6/1/2011 7:00 AM T M M M M
6/2/2011 7:00 AM 0.00 0.0 M M M
6/3/2011 7:00 AM 0.00 0.0 M M M
6/4/2011 7:00 AM 0.13 M M M M We had rain yesterday afternoon and drizzle in the evening.
6/5/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM 1.06 M M M M We had a severe thunderstorm last evening with wind, hail, & heavy rain and then more rain during the night & early morning.
6/8/2011 7:00 AM 0.73 M M M M We had quite abit of rain yesterday morning & then drizzle during some of the afternoon. The sun actually peeked through in the late afternoon & evening. The river is back up much above flood stage.
6/9/2011 7:00 AM 0.11 M M M M We had a little rain during the night & early morning.
6/10/2011 7:00 AM 0.45 M M M M We had rain yesterday that tapered off in the afternoon & then a little drizzle during the night.
6/11/2011 7:00 AM 0.00 0.0 M M M I just heard some thunder as I was turning on the computer.
6/12/2011 7:00 AM 0.02 M M M M We had a thundershower yesterday afternoon.
6/13/2011 7:00 AM 0.14 M M M M We had a thunderstorm yesterday afternoon with brief heavy rain.
6/14/2011 7:00 AM 0.14 M M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.12 M M M M
6/17/2011 7:00 AM 0.05 M M M M
6/18/2011 7:00 AM 0.00 0.0 M M M
6/19/2011 7:00 AM 0.02 M M M M
6/20/2011 7:00 AM 0.00 0.0 M M M
6/21/2011 7:00 AM 0.00 0.0 M M M
6/22/2011 7:00 AM 0.00 0.0 M M M
6/23/2011 7:00 AM 0.00 0.0 M M M
6/24/2011 7:00 AM 0.21 M M M M We had a strong thunderstorm yesterday evening.
6/25/2011 7:00 AM 0.13 M M M M We had a thunderstorm yesterday evening.
6/26/2011 7:00 AM 0.26 M M M M
6/27/2011 7:00 AM 0.00 0.0 M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 7:00 AM 0.00 0.0 M M M
6/30/2011 7:00 AM 0.00 0.0 M M M
7/1/2011 7:00 AM 0.02 M M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 0.10 M M M M
7/5/2011 7:00 AM 0.00 0.0 M M M
7/6/2011 7:00 AM 0.00 0.0 M M M
7/7/2011 7:00 AM 0.00 0.0 M M M
7/8/2011 7:00 AM 0.81 M M M M We had quite the thunderstorms yesterday evening & into the night.
7/9/2011 7:00 AM 0.01 M M M M
7/10/2011 7:00 AM 0.00 0.0 M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/12/2011 7:00 AM 0.03 M M M M
7/13/2011 7:00 AM 0.02 M M M M
7/14/2011 7:00 AM 0.15 M M M M We had a thunderstorm early yesterday evening.
7/15/2011 7:00 AM 0.05 M M M M
7/16/2011 7:00 AM 0.51 M M M M We had a thunderstorm with heavy rain & peasized hail yesterday between 6 & 6:35PM.
7/17/2011 7:00 AM T M M M M
7/18/2011 7:00 AM 0.00 0.0 M M M
7/19/2011 7:00 AM 0.00 0.0 M M M
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.24 M M M M
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM 0.00 0.0 M M M
7/26/2011 7:00 AM 0.07 M M M M We had a thunderstrom around 5PM yesterday with brief strong winds & brief heavy rain.
7/27/2011 7:00 AM T M M M M
7/28/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 7:00 AM 0.00 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 7:00 AM 0.00 0.0 M M M
8/2/2011 7:00 AM T M M M M
8/3/2011 7:00 AM T M M M M
8/4/2011 7:00 AM 0.00 0.0 M M M
8/5/2011 7:00 AM 0.12 M M M M We had thundershowers last night.
8/6/2011 7:00 AM 0.06 M M M M
8/7/2011 7:00 AM 0.00 0.0 M M M
8/8/2011 7:00 AM 0.02 M M M M
8/9/2011 7:00 AM 0.03 M M M M
8/10/2011 7:00 AM T M M M M
8/11/2011 7:00 AM 0.01 M M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:00 AM 0.00 0.0 M M M
8/15/2011 7:00 AM 0.00 0.0 M M M
8/16/2011 7:00 AM 0.41 M M M M We had heavy rain late yesterday afternoon. Then we went to Billings and could see when we got back that we had more rain while we were away.
8/17/2011 7:00 AM 0.00 0.0 M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM T M M M M
8/20/2011 7:00 AM 0.00 0.0 M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.00 0.0 M M M
8/23/2011 7:00 AM 0.00 0.0 M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM T M M M M
8/27/2011 7:00 AM 0.03 M M M M
8/28/2011 7:00 AM 0.00 0.0 M M M
8/29/2011 7:00 AM 0.00 0.0 M M M
8/30/2011 7:00 AM 0.06 M M M M
8/31/2011 7:00 AM 0.18 M M M M
9/1/2011 7:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM 0.10 M M M M
9/3/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 7:00 AM 0.00 0.0 M M M
9/5/2011 7:00 AM 0.00 0.0 M M M
9/6/2011 7:00 AM 0.00 0.0 M M M
9/7/2011 7:00 AM 0.00 0.0 M M M
9/8/2011 7:00 AM 0.00 0.0 M M M
9/9/2011 7:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.00 0.0 M M M
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 7:00 AM 0.00 0.0 M M M
9/13/2011 7:00 AM 0.00 0.0 M M M
9/14/2011 7:00 AM 0.00 0.0 M M M
9/15/2011 7:00 AM 0.00 0.0 M M M
9/16/2011 7:00 AM 0.00 0.0 M M M
9/17/2011 7:00 AM 0.02 M M M M
9/18/2011 7:00 AM T M M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM T M M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.00 0.0 M M M
9/24/2011 7:00 AM 0.00 0.0 M M M
9/25/2011 7:00 AM 0.00 0.0 M M M
9/26/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM 0.00 0.0 M M M
9/28/2011 7:00 AM 0.00 0.0 M M M
9/29/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 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



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