Station Overview Station Location
Station Number MT-SG-4 Latitude 45.972343
Station Name Big Timber 9.8 NNW (Closed) Longitude -110.000239
County Sweet Grass Elevation (ft) 4717



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 11 1.13 0.87 25 0.87 20 0.00 5 1 7 1 0.1 1 0
Nov 11 0.61 0.55 23 0.55 23 0.00 0 0 3 2 5.5 3 2
Dec 11 0.45 0.31 24 0.31 24 0.00 0 0 3 4 3.6 2 5
Jan 12 0.46 1.09 17 1.09 17 0.00 0 0 3 2 13.7 3 8
Feb 12 0.44 0.36 15 0.36 14 0.00 1 0 3 3 8.2 3 4
March 12 0.96 0.61 26 0.61 13 0.00 13 1 3 1 2.8 2 2
April 12 1.69 2.06 21 2.01 16 0.05 5 1 8 2 10.4 2 4
May 12 2.91 2.71 10 2.71 10 0.00 0 0 7 0 0.5 1 0
June 12 2.99 0.15 29 0.02 4 0.13 25 1 1 0 0.0 0 0
July 12 2.00 0.00 1 0.00 0 0.00 1 1 0 0 0.0 0 0
Aug 12 1.55 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 12 1.26 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.45" 8.71" 191 days 8.53" 141 0.18" 50 days 5 38 days 15 days 44.8" 17 days 25 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
10/1/2011 **
10/2/2011 **
10/3/2011 **
10/4/2011 **
10/5/2011 0.00
10/6/2011 0.27
10/7/2011 0.16
10/8/2011 0.03
10/9/2011 0.00
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 T
10/16/2011 0.09
10/17/2011 0.12
10/18/2011 0.00
10/19/2011
10/20/2011
10/21/2011 0.00
10/22/2011
10/23/2011
10/24/2011
10/25/2011 0.18
10/26/2011 0.02
10/27/2011 0.00
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 0.00
10/31/2011
11/1/2011 0.00
11/2/2011 0.00
11/3/2011
11/4/2011
11/5/2011 T
11/6/2011 0.22
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011
11/14/2011
11/15/2011 0.02
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 T
11/19/2011 0.31
11/20/2011 0.00
11/21/2011
11/22/2011
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011
11/30/2011 0.00
12/1/2011 T
12/2/2011 0.00
12/3/2011
12/4/2011 T
12/5/2011 0.00
12/6/2011
12/7/2011 0.00
12/8/2011 0.03
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011
12/13/2011 0.00
12/14/2011 T
12/15/2011
12/16/2011 0.00
12/17/2011
12/18/2011
12/19/2011 0.27
12/20/2011 0.00
12/21/2011 0.00
12/22/2011 0.00
12/23/2011 0.00
12/24/2011 0.00
12/25/2011
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.01
12/30/2011 0.00
12/31/2011 T
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012 0.00
1/3/2012 0.00
1/4/2012
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012
1/9/2012 0.00
1/10/2012
1/11/2012 T
1/12/2012
1/13/2012
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.36
1/17/2012 0.00
1/18/2012 T
1/19/2012 0.35
1/20/2012 0.38
1/21/2012 0.00
1/22/2012 0.00
1/23/2012 0.00
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012 T
2/2/2012 0.00
2/3/2012
2/4/2012 0.00
2/5/2012
2/6/2012 0.00
2/7/2012 0.16
2/8/2012 T
2/9/2012
2/10/2012
2/11/2012 0.15
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012 0.00
2/19/2012 T
2/20/2012
2/21/2012
2/22/2012 0.00
2/23/2012 0.05
2/24/2012 0.00
2/25/2012
2/26/2012
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 **
3/1/2012 **
3/2/2012 T
3/3/2012
3/4/2012 0.00
3/5/2012
3/6/2012 0.00
3/7/2012 0.15
3/8/2012
3/9/2012
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012
3/14/2012 T
3/15/2012 0.05
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 0.41
3/20/2012 0.00
3/21/2012 **
3/22/2012 **
3/23/2012 **
3/24/2012 **
3/25/2012 **
3/26/2012 **
3/27/2012 **
3/28/2012 **
3/29/2012 **
3/30/2012 **
3/31/2012 **
Day of YearDaily PrcpMultiday Prcp
4/1/2012 **
4/2/2012 **
4/3/2012 **
4/4/2012 **
4/5/2012 0.05
4/6/2012 0.84
4/7/2012 0.24
4/8/2012 0.00
4/9/2012
4/10/2012 0.00
4/11/2012
4/12/2012 0.31
4/13/2012 0.04
4/14/2012 0.00
4/15/2012 0.00
4/16/2012 T
4/17/2012 0.00
4/18/2012 0.19
4/19/2012 0.17
4/20/2012
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012
4/27/2012 0.15
4/28/2012 T
4/29/2012 0.07
4/30/2012 0.00
5/1/2012 0.04
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012
5/8/2012
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
5/17/2012
5/18/2012 0.46
5/19/2012 0.16
5/20/2012 0.00
5/21/2012 0.00
5/22/2012
5/23/2012
5/24/2012
5/25/2012 0.40
5/26/2012 0.64
5/27/2012 1.00
5/28/2012
5/29/2012
5/30/2012 0.01
5/31/2012 0.00
6/1/2012
6/2/2012 0.00
6/3/2012 0.02
6/4/2012 **
6/5/2012 **
6/6/2012 **
6/7/2012 **
6/8/2012 **
6/9/2012 **
6/10/2012 **
6/11/2012 **
6/12/2012 **
6/13/2012 0.13
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 **
6/17/2012 **
6/18/2012 **
6/19/2012 **
6/20/2012 **
6/21/2012 **
6/22/2012 **
6/23/2012 **
6/24/2012 **
6/25/2012 **
6/26/2012 **
6/27/2012 **
6/28/2012 **
6/29/2012 **
6/30/2012 **
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012
7/3/2012
7/4/2012
7/5/2012
7/6/2012
7/7/2012
7/8/2012
7/9/2012
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012
7/15/2012
7/16/2012
7/17/2012
7/18/2012
7/19/2012
7/20/2012
7/21/2012
7/22/2012
7/23/2012
7/24/2012
7/25/2012
7/26/2012
7/27/2012
7/28/2012
7/29/2012
7/30/2012
7/31/2012
8/1/2012
8/2/2012
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012
8/10/2012
8/11/2012
8/12/2012
8/13/2012
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012
8/19/2012
8/20/2012
8/21/2012
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012
8/27/2012
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012
9/2/2012
9/3/2012
9/4/2012
9/5/2012
9/6/2012
9/7/2012
9/8/2012
9/9/2012
9/10/2012
9/11/2012
9/12/2012
9/13/2012
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012
9/19/2012
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012
9/27/2012
9/28/2012
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2011 7:30 AM 0.27 M M M M CHILLY AND WET THIS A.M. THANK GOODNESS. ITS BEEN A WHILE.
10/7/2011 7:30 AM 0.16 M M M M
10/8/2011 7:30 AM 0.03 M M M M
10/9/2011 7:30 AM 0.00 0.0 M M M
10/10/2011 7:30 AM 0.00 0.0 M M M
10/11/2011 7:30 AM 0.00 0.0 M M M
10/12/2011 7:30 AM 0.00 0.0 M M M
10/13/2011 7:30 AM 0.00 0.0 M M M
10/14/2011 7:30 AM 0.00 0.0 M M M
10/15/2011 7:30 AM T M M M M
10/16/2011 7:30 AM 0.09 M M M M
10/17/2011 7:30 AM 0.12 M M M M
10/18/2011 7:30 AM 0.00 0.0 M M M Hard frosts two days in a row. 28 degrees at the report time.
10/21/2011 7:30 AM 0.00 0.0 M M M
10/25/2011 7:30 AM 0.18 M M M M
10/26/2011 7:30 AM 0.02 0.1 M M M Very hard to measure snow. Mostly gone by noon.
10/27/2011 7:30 AM 0.00 0.0 M M M
10/28/2011 7:30 AM 0.00 0.0 M M M
10/29/2011 7:30 AM 0.00 0.0 M M M
10/30/2011 7:30 AM 0.00 0.0 M M M
11/1/2011 7:30 AM 0.00 0.0 M M M
11/2/2011 7:30 AM 0.00 0.0 M M M
11/5/2011 7:30 AM T M M M M
11/6/2011 7:30 AM 0.22 1.0 M M M
11/7/2011 7:30 AM 0.00 0.0 M 0.2 M Snow is melting and spotty coverage.
11/8/2011 7:30 AM 0.00 0.0 M M M
11/9/2011 7:30 AM 0.00 0.0 M M M
11/10/2011 7:30 AM 0.00 0.0 M M M
11/11/2011 7:30 AM 0.00 0.0 M M M
11/12/2011 7:30 AM 0.00 0.0 M M M
11/15/2011 7:30 AM 0.02 0.3 M M M Drifting now.
11/16/2011 7:30 AM 0.00 0.0 M M M
11/17/2011 7:30 AM 0.00 0.0 M M M
11/18/2011 7:30 AM T T M M M Started snowing lightly at dawn. Been snowing all morning and grass is still not covered. 30degrees at 11:18am
11/19/2011 7:30 AM 0.31 4.2 M M M 3degrees at dawn this a.m. At 10:35 a.m its still only 16 degrees. Sunny and calm.
11/20/2011 7:30 AM 0.00 0.0 M 2.5 M Wind is starting to pick up from the SW
11/23/2011 7:30 AM 0.00 0.0 M M M
11/24/2011 7:30 AM 0.00 0.0 M M M
11/25/2011 7:30 AM 0.00 0.0 M M M
11/26/2011 7:30 AM 0.00 0.0 M M M
11/27/2011 7:30 AM 0.00 0.0 M M M
11/28/2011 7:30 AM 0.00 0.0 M M M
11/30/2011 7:30 AM 0.00 0.0 M M M
12/1/2011 7:30 AM T T M M M
12/2/2011 7:30 AM 0.00 0.0 M M M
12/4/2011 7:30 AM T T M M M
12/5/2011 7:30 AM 0.00 0.0 M 0.0 M
12/7/2011 7:30 AM 0.00 0.0 M M M
12/8/2011 7:30 AM 0.03 0.5 M M M Very fluffy light snow.
12/9/2011 7:30 AM 0.00 0.0 M T M
12/10/2011 7:30 AM 0.00 0.0 M T M
12/11/2011 7:30 AM 0.00 0.0 M 0.0 M
12/13/2011 7:30 AM 0.00 0.0 M M M Fog.
12/14/2011 7:30 AM T T M T M
12/16/2011 7:30 AM 0.00 0.0 M M M
12/19/2011 7:30 AM 0.27 3.1 M M M
12/20/2011 7:30 AM 0.00 0.0 M 3.0 M
12/21/2011 7:30 AM 0.00 0.0 M 2.0 M
12/22/2011 7:30 AM 0.00 0.0 M 2.0 M Storm was a bust here. Now just very cold and sunny
12/23/2011 7:30 AM 0.00 0.0 M 2.0 M
12/24/2011 7:30 AM 0.00 0.0 M 0.5 M Wind still howling. Snow cover getting pretty spotty.
12/26/2011 7:30 AM 0.00 0.0 M 0.0 M Wind quiet at the moment. Got a spohisticated weather station for Christmas.I always wanted one. Whoo Hoo!
12/27/2011 7:30 AM 0.00 0.0 M 0.0 M
12/28/2011 7:30 AM 0.00 0.0 M 0.0 M
12/29/2011 7:30 AM 0.01 M M M M Tiny bit of rain this am. No wind yet. They say in town its howling and you can't tell if rain is hitting the windows or rocks!
12/30/2011 7:30 AM 0.00 0.0 M 0.0 M
12/31/2011 7:30 AM T M M M M Spit rain for a little bit.
1/2/2012 7:30 AM 0.00 0.0 M M M
1/3/2012 7:30 AM 0.00 0.0 M M M
1/5/2012 7:30 AM 0.00 0.0 M M M Windy.............still.......... almost got blown off hay stack yesterday. Scary moment.
1/6/2012 7:30 AM 0.00 0.0 M M M
1/7/2012 7:30 AM 0.00 0.0 M M M
1/9/2012 7:30 AM 0.00 0.0 M M M
1/11/2012 7:30 AM T T M T M Some snow shower blew through.
1/14/2012 7:30 AM 0.00 0.0 M M M Wind just howling.............
1/15/2012 7:30 AM 0.00 0.0 M M M Snowing started falling lightly at 2:00 pm
1/16/2012 7:30 AM 0.36 4.1 M 4.1 M I the wind blows the drifting will not be fun
1/17/2012 7:30 AM 0.00 0.0 M 3.5 M Snow is drifting badly. Bare ground in some places. drifts of over one foot in others. Total snow on ground measurement is an average of ten readings.
1/18/2012 7:30 AM T T M 3.0 M Seems to be snowing all around the Wormser Hole! I can see it snowing about half a mile away but it looks light. Very cold 14 degrees
1/19/2012 7:30 AM 0.35 3.5 M 6.0 M
1/20/2012 7:30 AM 0.38 6.1 M 10.5 M
1/21/2012 7:30 AM 0.00 0.0 M 5.5 M Snow collapsing 40 degrees at 7:30 am
1/22/2012 7:30 AM 0.00 0.0 M 5.5 M
1/23/2012 7:30 AM 0.00 0.0 M 5.0 M
2/1/2012 7:30 AM T T M T M
2/2/2012 7:30 AM 0.00 0.0 M 0.0 M
2/4/2012 7:30 AM 0.00 0.0 M M M
2/6/2012 7:30 AM 0.00 0.0 M M M
2/7/2012 7:30 AM 0.16 3.7 M 3.7 M Very light fluffy snow. I can blow it off a fence post with just my own breath.
2/8/2012 7:30 AM T T M 1.7 M
2/11/2012 7:30 AM 0.15 4.4 M 5.0 M
2/18/2012 7:30 AM 0.00 0.0 M 0.0 M Snow is in irrigation ditches and deep shade of buildings or creek bottoms.
2/19/2012 7:30 AM T T M T M Snow almost all gone as soon as sun came out
2/22/2012 7:30 AM 0.00 0.0 M M M
2/23/2012 7:30 AM 0.05 0.1 M 0.1 M So litle snow almost unmeasurable. Measurable precip was mostly from rain squalls that blew through yesterday
2/24/2012 7:30 AM 0.00 0.0 M 0.0 M
2/27/2012 7:30 AM 0.00 0.0 M 0.0 M
2/28/2012 7:30 AM 0.00 0.0 M M M
3/4/2012 7:30 AM 0.00 0.0 M M M
3/6/2012 7:30 AM 0.00 0.0 M M M Snow just started at 8:04am. Birds singing spring songs.
3/7/2012 7:30 AM 0.15 0.7 M 0.7 M It snowed more than .7 but temps here rose to 43F yesterday afternoon while it was still snowing and snow cover was melting before colder temps arrived at sunset.
3/10/2012 7:30 AM 0.00 0.0 M 0.0 M Birds say its Spring
3/11/2012 7:30 AM 0.00 0.0 M M M
3/12/2012 7:30 AM 0.00 0.0 M M M
3/14/2012 7:30 AM T T M M M Flurries. Gone by 10:00 am when sun came out. First Robin here. Red Winged Blackbirds singing Spring songs and geese showed up on ponds.
3/15/2012 7:30 AM 0.05 M M M M
3/16/2012 7:30 AM 0.00 0.0 M M M
3/17/2012 7:30 AM 0.00 0.0 M M M
3/18/2012 7:30 AM 0.00 0.0 M M M
3/19/2012 7:30 AM 0.41 2.1 M 2.1 M Rained on and off yesterday into the evening. Started to snow lightly around 1:00 am. I was checking cows frequently because snow was so wet. Bad calving snow. Not snowing as of time of report. No wind.
3/20/2012 7:30 AM 0.00 0.0 M M M
4/6/2012 7:30 AM 0.84 8.4 M 8.4 M Heavy wet snow. Wind is calm. 31F at report time. Calves are wet but comfortable and playing in snow.
4/7/2012 7:30 AM 0.24 2.0 M 9.5 M
4/8/2012 7:30 AM 0.00 0.0 M 2.5 M Snow melting very fast. Very muddy and wet.
4/10/2012 7:30 AM 0.00 0.0 M 0.5 M Cant really masure snow. Patches scattered about. Mud frozen every morning and thaws during day. Grass is really greening up.
4/12/2012 7:30 AM 0.31 M M 0.0 M
4/13/2012 7:30 AM 0.04 M M M M
4/14/2012 7:30 AM 0.00 0.0 M M M
4/15/2012 7:30 AM 0.00 0.0 M M M
4/16/2012 7:30 AM T T M T M
4/17/2012 7:30 AM 0.00 0.0 M M M
4/18/2012 7:30 AM 0.19 M M M M Raining steady now. Water starting to run down the ranch roads. Grass will pop when the sun comes out.
4/19/2012 7:30 AM 0.17 M M M M
4/27/2012 7:30 AM 0.15 M M M M Rain stopped at about 8:30am. Cold, windy and very overcast.
4/28/2012 7:30 AM T M M M M
4/29/2012 7:30 AM 0.07 M M M M
4/30/2012 7:30 AM 0.00 0.0 M M M
5/1/2012 7:30 AM 0.04 M M M M
5/18/2012 7:30 AM 0.46 M M M M
5/19/2012 7:30 AM 0.16 M M M M
5/20/2012 7:30 AM 0.00 0.0 M M M
5/21/2012 6:00 AM 0.00 0.0 M M M
5/25/2012 7:30 AM 0.40 M M M M
5/26/2012 7:30 AM 0.64 0.5 M M M Snow was melting as it fell
5/27/2012 7:30 AM 1.00 M M 0.0 M Snow on ground has melted. It has been snowing steady all night but never accumulated.
5/30/2012 7:30 AM 0.01 M M M M
5/31/2012 6:34 AM 0.00 0.0 M M M
6/2/2012 6:20 AM 0.00 0.0 M M M
6/3/2012 7:30 AM 0.02 M M M M
6/14/2012 7:30 AM 0.00 0.0 M M M
6/15/2012 6:30 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/4/2011 10/05/2011 7:30 AM 32 0.00 M M
2/29/2012 3/02/2012 7:30 AM 3 T T T
3/21/2012 4/05/2012 7:30 AM 16 0.05 0.0 M
6/4/2012 6/13/2012 7:30 AM 10 0.13 M M We have recieved almost no moisture from the various systems going by. Grass is headed out and very short. Hardly worth haying. Wormser Canal is slowing and low.
6/16/2012 7/01/2012 7:00 AM 16 0.00 M M Hay not worth cutting. Irrigation water from Wormser Ditch going down. Most likely water will be gone by mid July. Its not good.



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