Station Overview Station Location
Station Number MT-SG-3 Latitude 45.719116
Station Name Big Timber 8.2 SSE Longitude -109.90895
County Sweet Grass Elevation (ft) 4367



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 09 1.43 0.01 4 0.01 4 0.00 0 0 1 2 0.0 0 0
Nov 09 0.72 0.85 28 0.85 28 0.00 0 0 3 1 7.5 2 3
Dec 09 0.61 0.72 31 0.72 31 0.00 0 0 9 0 14.2 8 13
Jan 10 0.55 0.69 29 0.69 29 0.00 0 0 3 2 9.0 2 0
Feb 10 0.54 0.25 27 0.25 27 0.00 0 0 5 6 5.1 5 2
March 10 1.04 0.59 30 0.59 30 0.00 0 0 3 4 5.5 2 1
April 10 1.86 0.55 27 0.55 27 0.00 0 0 6 8 0.5 1 0
May 10 2.86 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 0
June 10 2.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 10 1.59 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 1.09 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 1.26 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.12" 3.66" 177 days 3.66" 177 0.00" 0 days 0 30 days 23 days 41.8" 20 days 19 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009 0.01
10/28/2009 T
10/29/2009 0.00
10/30/2009
10/31/2009 T
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.09
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.31
11/13/2009 0.45
11/14/2009 0.00
11/15/2009
11/16/2009 0.00
11/17/2009
11/18/2009 0.00
11/19/2009 0.00
11/20/2009 0.00
11/21/2009 T
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.00
11/25/2009 0.00
11/26/2009 0.00
11/27/2009 0.00
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.12
12/2/2009 0.10
12/3/2009 0.00
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 0.06
12/7/2009 0.08
12/8/2009 0.05
12/9/2009 0.00
12/10/2009 0.00
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.01
12/14/2009 0.24
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.00
12/20/2009 0.00
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.05
12/24/2009 0.01
12/25/2009 0.00
12/26/2009 0.00
12/27/2009 0.00
12/28/2009 0.00
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2010 T
1/2/2010
1/3/2010 0.00
1/4/2010 0.00
1/5/2010 T
1/6/2010 0.37
1/7/2010 0.00
1/8/2010
1/9/2010 0.00
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.00
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.00
1/19/2010 0.00
1/20/2010 0.00
1/21/2010 0.00
1/22/2010 0.00
1/23/2010 0.24
1/24/2010 0.00
1/25/2010 0.00
1/26/2010 0.00
1/27/2010 0.08
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 T
2/2/2010 0.00
2/3/2010
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 T
2/7/2010 T
2/8/2010 T
2/9/2010 T
2/10/2010 0.00
2/11/2010 0.00
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.11
2/15/2010 0.03
2/16/2010 T
2/17/2010 0.00
2/18/2010 0.07
2/19/2010 0.00
2/20/2010 0.02
2/21/2010 0.02
2/22/2010 0.00
2/23/2010 0.00
2/24/2010 0.00
2/25/2010 0.00
2/26/2010 0.00
2/27/2010 0.00
2/28/2010 0.00
3/1/2010 0.00
3/2/2010 0.00
3/3/2010 0.00
3/4/2010 0.00
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 T
3/11/2010 0.00
3/12/2010
3/13/2010 0.00
3/14/2010 0.05
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.22
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 T
3/24/2010 0.00
3/25/2010 0.00
3/26/2010 T
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 0.00
3/30/2010 T
3/31/2010 0.32
Day of YearDaily PrcpMultiday Prcp
4/1/2010 T
4/2/2010 0.06
4/3/2010 T
4/4/2010 T
4/5/2010 0.00
4/6/2010 T
4/7/2010 T
4/8/2010 0.00
4/9/2010 0.01
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.23
4/14/2010
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 T
4/20/2010 0.00
4/21/2010
4/22/2010
4/23/2010 0.13
4/24/2010 0.00
4/25/2010 0.02
4/26/2010 0.00
4/27/2010 0.00
4/28/2010 0.10
4/29/2010 T
4/30/2010 T
5/1/2010 0.00
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/27/2009 8:00 AM 0.01 0.0 M M M
10/28/2009 8:00 AM T M M M M Some snow fell just at dark
10/29/2009 8:00 AM 0.00 0.0 M M M
10/31/2009 8:00 AM T M M M M It spit rain all day long, just enough that the sun made rainbows in the sky
11/1/2009 8:00 AM 0.00 0.0 M M M
11/2/2009 8:00 AM 0.00 0.0 M M M
11/3/2009 8:00 AM 0.00 0.0 M M M
11/4/2009 8:00 AM 0.00 0.0 M M M
11/5/2009 8:00 AM 0.00 0.0 M M M
11/6/2009 8:00 AM 0.00 0.0 M M M
11/7/2009 8:00 AM 0.09 M M M M
11/8/2009 8:00 AM 0.00 0.0 M M M
11/9/2009 8:00 AM 0.00 0.0 M M M
11/10/2009 8:00 AM 0.00 0.0 M M M
11/11/2009 8:00 AM 0.00 0.0 M M M
11/12/2009 8:00 AM 0.31 1.0 0.19 1.0 0.19 Started snowing during the night. It was white out this morning.
11/13/2009 8:00 AM 0.45 6.5 0.51 6.5 0.51
11/14/2009 8:00 AM 0.00 0.0 M 5.5 M
11/16/2009 8:00 AM 0.00 0.0 M M M
11/18/2009 8:00 AM 0.00 0.0 M M M
11/19/2009 8:00 AM 0.00 0.0 M M M
11/20/2009 8:00 AM 0.00 0.0 M M M
11/21/2009 8:00 AM T M M M M Light snow falling this AM
11/22/2009 8:00 AM 0.00 0.0 M M M
11/23/2009 8:00 AM 0.00 0.0 M M M
11/24/2009 8:00 AM 0.00 0.0 M M M
11/25/2009 8:00 AM 0.00 0.0 M M M
11/26/2009 8:00 AM 0.00 0.0 M M M
11/27/2009 8:00 AM 0.00 0.0 M M M
11/28/2009 8:00 AM 0.00 0.0 M M M
11/29/2009 8:00 AM 0.00 0.0 M M M
11/30/2009 8:00 AM 0.00 0.0 M M M
12/1/2009 8:00 AM 0.12 3.7 0.24 3.5 0.24
12/2/2009 8:00 AM 0.10 1.5 M 3.0 0.33
12/3/2009 8:00 AM 0.00 0.0 M 3.0 M
12/4/2009 8:00 AM 0.00 0.0 M M M Strong Winds this morning
12/5/2009 8:00 AM 0.00 0.0 M M M
12/6/2009 8:00 AM 0.06 2.0 0.38 2.0 0.38
12/7/2009 8:00 AM 0.08 1.5 0.12 M M
12/8/2009 8:00 AM 0.05 0.5 0.05 2.0 M
12/9/2009 8:00 AM 0.00 0.0 M M M Drifting snow this AM
12/10/2009 8:00 AM 0.00 0.0 M M M
12/11/2009 8:00 AM 0.00 0.0 M M M
12/12/2009 8:00 AM 0.00 0.0 M M M
12/13/2009 8:00 AM 0.01 0.5 0.03 M M
12/14/2009 8:00 AM 0.24 4.0 0.30 7.0 0.30
12/15/2009 8:00 AM 0.00 0.0 M 5.0 M
12/16/2009 8:00 AM 0.00 0.0 M 4.5 M
12/17/2009 8:00 AM 0.00 0.0 M 2.5 M
12/18/2009 8:00 AM 0.00 0.0 M 3.0 M
12/19/2009 8:00 AM 0.00 0.0 M 3.0 M
12/20/2009 8:00 AM 0.00 0.0 M 2.5 M
12/21/2009 8:00 AM 0.00 0.0 M 1.0 M
12/22/2009 8:00 AM 0.00 0.0 M M M
12/23/2009 8:00 AM 0.05 0.5 0.05 M M
12/24/2009 8:00 AM 0.01 M M M M Hard to measure because of the winds
12/25/2009 8:00 AM 0.00 0.0 M M M
12/26/2009 8:00 AM 0.00 0.0 M M M
12/27/2009 8:00 AM 0.00 0.0 M M M
12/28/2009 8:00 AM 0.00 0.0 M M M
12/29/2009 8:00 AM 0.00 0.0 M M M
12/30/2009 8:00 AM 0.00 0.0 M M M
12/31/2009 8:00 AM 0.00 0.0 M M M
1/1/2010 8:00 AM T M M M M
1/3/2010 8:00 AM 0.00 0.0 M M M
1/4/2010 8:00 AM 0.00 0.0 M M M
1/5/2010 8:00 AM T M M M M
1/6/2010 8:00 AM 0.37 6.5 0.46 M M
1/7/2010 8:00 AM 0.00 0.0 M M M temperature was minus 26 this morning
1/9/2010 8:00 AM 0.00 0.0 M M M
1/10/2010 7:00 AM 0.00 0.0 M M M
1/11/2010 8:00 AM 0.00 0.0 M M M
1/12/2010 8:00 AM 0.00 0.0 M M M
1/13/2010 8:00 AM 0.00 0.0 M M M
1/14/2010 8:00 AM 0.00 0.0 M M M
1/15/2010 8:00 AM 0.00 0.0 M M M
1/16/2010 8:00 AM 0.00 0.0 M M M
1/17/2010 8:00 AM 0.00 0.0 M M M
1/18/2010 8:00 AM 0.00 0.0 M M M
1/19/2010 8:00 AM 0.00 0.0 M M M
1/20/2010 8:00 AM 0.00 0.0 M M M
1/21/2010 8:00 AM 0.00 0.0 M M M
1/22/2010 8:00 AM 0.00 0.0 M M M
1/23/2010 8:00 AM 0.24 2.5 0.35 M M Seems like I can't do a very good job of this weather reporting. It has been solid ice for weeks. (I am too old to take the chance of falling) Now it is covered by snow---and the wind is blowing---can't be too accurate
1/24/2010 8:00 AM 0.00 0.0 M M M
1/25/2010 8:00 AM 0.00 0.0 M M M
1/26/2010 8:00 AM 0.00 0.0 M M M
1/27/2010 8:00 AM 0.08 M M M M It is impossible to measure the snow fall because of the drifted snow. I am guessing that we got about an half an inch of new snow
1/28/2010 8:00 AM 0.00 0.0 M M M
1/29/2010 8:00 AM 0.00 0.0 M M M
1/30/2010 8:00 AM 0.00 0.0 M M M
1/31/2010 8:00 AM 0.00 0.0 M M M
2/1/2010 8:00 AM T M M M M
2/2/2010 8:00 AM 0.00 0.0 M M M
2/4/2010 8:00 AM 0.00 0.0 M M M
2/5/2010 8:00 AM 0.00 0.0 M M M
2/6/2010 8:00 AM T M M M M Light snow falling at report time
2/7/2010 8:00 AM T M M M M Lightly misting at times
2/8/2010 8:00 AM T M M M M Light mist from time to time
2/9/2010 8:00 AM T M M M M Had a few fluffy flakes of snow
2/10/2010 8:00 AM 0.00 0.0 M M M
2/11/2010 8:00 AM 0.00 0.0 M M M
2/12/2010 8:00 AM 0.00 0.0 M M M
2/13/2010 8:00 AM 0.00 0.0 M M M
2/14/2010 8:00 AM 0.11 2.8 0.19 3.0 0.19
2/15/2010 8:00 AM 0.03 0.3 0.02 2.0 M Light snow falling this morning. The measurement for old snow was taken on my snow board. There is other old snow in drifts here and there. They are very hard, and I am unable to measure that snow accurately.
2/16/2010 8:00 AM T M M M M Heavy fog this morning
2/17/2010 8:00 AM 0.00 0.0 M M M
2/18/2010 8:00 AM 0.07 1.0 0.07 M M
2/19/2010 8:00 AM 0.00 0.0 M M M
2/20/2010 8:00 AM 0.02 0.5 0.03 M M
2/21/2010 8:00 AM 0.02 0.5 0.02 M M
2/22/2010 8:00 AM 0.00 0.0 M M M Strong winds came in during the night
2/23/2010 8:00 AM 0.00 0.0 M M M
2/24/2010 8:00 AM 0.00 0.0 M M M
2/25/2010 8:00 AM 0.00 0.0 M M M
2/26/2010 8:00 AM 0.00 0.0 M M M
2/27/2010 8:00 AM 0.00 0.0 M M M
2/28/2010 8:00 AM 0.00 0.0 M M M
3/1/2010 8:00 AM 0.00 0.0 M M M
3/2/2010 8:00 AM 0.00 0.0 M M M
3/3/2010 8:00 AM 0.00 0.0 M M M
3/4/2010 8:00 AM 0.00 0.0 M M M
3/5/2010 8:00 AM 0.00 0.0 M M M
3/6/2010 8:00 AM 0.00 0.0 M M M
3/7/2010 8:00 AM 0.00 0.0 M M M
3/8/2010 8:00 AM 0.00 0.0 M M M
3/9/2010 8:00 AM 0.00 0.0 M M M
3/10/2010 8:00 AM T M M M M
3/11/2010 8:00 AM 0.00 0.0 M M M
3/13/2010 8:00 AM 0.00 0.0 M M M
3/14/2010 8:00 AM 0.05 M M M M Rain with afew snow flakes came sometime during the evening
3/15/2010 8:00 AM 0.00 0.0 M M M
3/16/2010 8:00 AM 0.00 0.0 M M M
3/17/2010 8:00 AM 0.00 0.0 M M M
3/18/2010 8:00 AM 0.00 0.0 M M M
3/19/2010 8:00 AM 0.22 5.0 0.20 5.0 0.20 Snow fell lightly at times but didn't really lay it down until after 2AM Then quit about 6AM
3/20/2010 8:00 AM 0.00 0.0 M M M There was no new moisture and the temperature was up to 50 degrees so most of the snow is gone.
3/21/2010 8:00 AM 0.00 0.0 M M M
3/22/2010 8:00 AM 0.00 0.0 M M M
3/23/2010 8:00 AM T M M M M
3/24/2010 8:00 AM 0.00 0.0 M M M After a high temp of 63 yesterday it was 18 this morning
3/25/2010 8:00 AM 0.00 0.0 M M M
3/26/2010 8:00 AM T M M M M
3/27/2010 8:00 AM 0.00 0.0 M M M
3/28/2010 8:00 AM 0.00 0.0 M M M
3/29/2010 8:00 AM 0.00 0.0 M M M
3/30/2010 8:00 AM T M M M M
3/31/2010 8:00 AM 0.32 0.5 0.05 M M Everything is frozen down this morning after our Rain/Snow yesterday
4/1/2010 8:00 AM T M M M M Started Snowing about 7 AM
4/2/2010 8:00 AM 0.06 M M M M
4/3/2010 8:00 AM T M M M M
4/4/2010 8:00 AM T M M M M
4/5/2010 8:00 AM 0.00 0.0 M M M
4/6/2010 8:00 AM T M M M M Light snow started falling about 7AM this morning
4/7/2010 8:00 AM T M M M M
4/8/2010 8:00 AM 0.00 0.0 M M M
4/9/2010 8:00 AM 0.01 M M M M
4/10/2010 8:00 AM 0.00 0.0 M M M Got down to 15 degrees last night. Sure wish we would get some moisture and some warm days!
4/11/2010 8:00 AM 0.00 0.0 M M M
4/12/2010 8:00 AM 0.00 0.0 M M M
4/13/2010 8:00 AM 0.23 0.5 0.23 M M
4/15/2010 8:00 AM 0.00 0.0 M M M
4/16/2010 8:00 AM 0.00 0.0 M M M
4/17/2010 8:00 AM 0.00 0.0 M M M
4/18/2010 8:00 AM 0.00 0.0 M M M
4/19/2010 8:00 AM T M M M M
4/20/2010 8:00 AM 0.00 0.0 M M M
4/23/2010 8:00 AM 0.13 M M M M
4/24/2010 8:00 AM 0.00 0.0 M M M
4/25/2010 8:00 AM 0.02 M M M M
4/26/2010 8:00 AM 0.00 0.0 M M M
4/27/2010 8:00 AM 0.00 0.0 M M M
4/28/2010 8:00 AM 0.10 M M M M Rain came during the night with strong winds
4/29/2010 8:00 AM T M M M M
4/30/2010 8:00 AM T M M M M Fast moving snow storms with strong winds came through off and on throughout the day
5/1/2010 8:00 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