Station Overview Station Location
Station Number MT-CS-3 Latitude 46.4162
Station Name Miles City 0.7 NNE Longitude -105.8328
County Custer Elevation (ft) 2403



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 0.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 0.41 0.00 30 0.00 30 0.00 0 0 0 3 0.0 0 0
Dec 09 0.32 0.35 19 0.35 19 0.00 0 0 9 2 5.9 9 6
Jan 10 0.34 0.16 11 0.16 11 0.00 0 0 2 3 1.5 1 1
Feb 10 0.24 0.01 7 0.01 7 0.00 0 0 1 0 0.3 1 0
March 10 0.63 0.08 31 0.08 31 0.00 0 0 2 7 0.0 0 0
April 10 1.24 1.67 26 1.67 26 0.00 0 0 7 2 0.0 0 0
May 10 2.12 4.67 8 4.67 8 0.00 0 0 8 0 0.4 1 0
June 10 2.48 0.00 3 0.00 3 0.00 0 0 0 1 0.0 0 0
July 10 1.65 2.00 15 2.00 15 0.00 0 0 10 0 0.0 0 0
Aug 10 0.98 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 1.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 12.51" 8.94" 150 days 8.94" 150 0.00" 0 days 0 39 days 18 days 8.1" 12 days 7 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
10/28/2009
10/29/2009
10/30/2009
10/31/2009
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 T
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 T
11/14/2009 0.00
11/15/2009 0.00
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.00
11/20/2009 0.00
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.00
11/25/2009 T
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 0.00
12/2/2009 T
12/3/2009 0.01
12/4/2009 T
12/5/2009 0.00
12/6/2009 0.03
12/7/2009 0.03
12/8/2009 0.03
12/9/2009 0.03
12/10/2009 0.00
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.08
12/14/2009 0.07
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009
12/19/2009
12/20/2009
12/21/2009 0.01
12/22/2009 0.06
12/23/2009
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010
1/2/2010
1/3/2010
1/4/2010
1/5/2010
1/6/2010 0.09
1/7/2010
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 T
1/16/2010
1/17/2010
1/18/2010
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010 0.07
1/26/2010 T
1/27/2010
1/28/2010
1/29/2010
1/30/2010 T
1/31/2010
2/1/2010 0.01
2/2/2010
2/3/2010
2/4/2010
2/5/2010
2/6/2010
2/7/2010
2/8/2010
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 0.00
2/24/2010
2/25/2010 0.00
2/26/2010
2/27/2010
2/28/2010
3/1/2010 T
3/2/2010 T
3/3/2010 T
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 T
3/10/2010 0.00
3/11/2010 0.00
3/12/2010 0.00
3/13/2010 0.00
3/14/2010 0.00
3/15/2010 0.00
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 T
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 T
3/23/2010 T
3/24/2010 0.00
3/25/2010 0.00
3/26/2010 0.00
3/27/2010 0.02
3/28/2010 0.00
3/29/2010 0.00
3/30/2010 0.00
3/31/2010 0.06
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.05
4/2/2010 0.58
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 T
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 T
4/14/2010 0.07
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.00
4/18/2010 0.00
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010
4/23/2010 0.06
4/24/2010 0.67
4/25/2010 0.07
4/26/2010
4/27/2010
4/28/2010 0.00
4/29/2010
4/30/2010 0.17
5/1/2010 0.27
5/2/2010 0.31
5/3/2010 0.03
5/4/2010 0.15
5/5/2010
5/6/2010 0.03
5/7/2010 0.59
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 1.21
5/25/2010 2.08
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 T
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 0.00
6/29/2010 0.00
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010 0.41
7/6/2010 0.01
7/7/2010 0.18
7/8/2010 0.00
7/9/2010 0.00
7/10/2010
7/11/2010
7/12/2010 0.36
7/13/2010 0.14
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010
7/18/2010 0.03
7/19/2010 0.24
7/20/2010
7/21/2010
7/22/2010 0.54
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010 0.07
7/28/2010 0.02
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
11/1/2009 7:00 AM 0.00 0.0 M M M
11/2/2009 7:00 AM 0.00 0.0 M M M Gauge was semi-opaque with frost.
11/3/2009 7:00 AM 0.00 0.0 M M M
11/4/2009 7:00 AM 0.00 0.0 M M M Light frost on gauge
11/5/2009 7:00 AM 0.00 0.0 M M M Patchy frost on gauge.
11/6/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM T M M M M Observation was made just to the Northwest of Eastern Montana Fairgrounds.
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:00 AM 0.00 0.0 M M M
11/12/2009 7:00 AM 0.00 0.0 M M M Guage had Exterior frost/Interior condensation
11/13/2009 7:00 AM T M M M M Precipitation was in the form of misting rain. Droplets were the size of a pin head. Gauge had outer frost at 7am check but was empty.
11/14/2009 7:00 AM 0.00 0.0 M M M Gauge covered in frost.
11/15/2009 7:00 AM 0.00 0.0 M M M Frost on gauge
11/16/2009 7:00 AM 0.00 0.0 M M M Gauge was frost-free. Grass below did have frost.
11/17/2009 7:00 AM 0.00 0.0 M M M Snow Pad installed
11/18/2009 7:00 AM 0.00 0.0 M M M Speckled frost on Gauge.
11/19/2009 7:00 AM 0.00 0.0 M M M Gauge had, for lack of a better term, criss-crossed frost.
11/20/2009 7:00 AM 0.00 0.0 M M M
11/21/2009 7:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:00 AM 0.00 0.0 M M M
11/25/2009 7:00 AM T M M M M Rain shower occuring yesterday throroughly wet surfaces. Water spots resting in the bottom of the gauge averaging 1cm apart.
11/26/2009 7:00 AM 0.00 0.0 M M M
11/27/2009 7:00 AM 0.00 0.0 M M M
11/28/2009 7:00 AM 0.00 0.0 M M M
11/29/2009 7:00 AM 0.00 0.0 M M M
11/30/2009 7:00 AM 0.00 0.0 M M M
12/1/2009 7:00 AM 0.00 0.0 M M M
12/2/2009 7:00 AM T 0.0 0.00 0.0 0.00 Very light snow fell yesterday afternoon.
12/3/2009 7:00 AM 0.01 0.1 M M M Very fine/dry snow was falling at time of observation.
12/4/2009 7:00 AM T T M M M
12/5/2009 7:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.03 0.5 M M M snow was fine and lacking in moisture abundance.
12/7/2009 7:00 AM 0.03 0.2 M M M
12/8/2009 7:00 AM 0.03 0.4 M 1.5 M Blowing and drifting snow was observed.
12/9/2009 7:00 AM 0.03 0.5 M 2.1 M
12/10/2009 7:00 AM 0.00 0.0 M 2.1 M Snow yielded an almost 3/4 inch crust. Snow-pad was crusted as well and small debris from a tree several yards away were noted on the snow-pad and around it; indicating a possible wind out of the NW during the night.
12/11/2009 7:00 AM 0.00 0.0 M M M
12/12/2009 7:00 AM 0.00 0.0 M M M
12/13/2009 7:00 AM 0.08 2.5 M 4.1 M Storm was fairly intense and short-lived. Visibilities were reduced to less than a quarter mile
12/14/2009 7:00 AM 0.07 1.2 M 5.3 M
12/15/2009 7:00 AM 0.00 0.0 M M M
12/16/2009 7:00 AM 0.00 0.0 M M M
12/17/2009 7:00 AM 0.00 0.0 M M M
12/21/2009 7:00 AM 0.01 0.1 M 3.2 M Snow pad yielded approx. 1cm of ice. sleeting observed at time of observation. Forms of precipitation observed in past 24 hours: Freezing fog, snow, rain, and sleet.
12/22/2009 7:00 AM 0.06 0.4 M M M
1/6/2010 7:00 AM 0.09 M M M M Hard, thick crust was observed on snow. Open-area drifts of 11 inches. Drifts forming against structures measuring over 4.5 feet as the top existing drifted snow.
1/9/2010 7:00 AM 0.00 0.0 M M M
1/10/2010 7:00 AM 0.00 0.0 M M M
1/11/2010 7:00 AM 0.00 0.0 M M M
1/12/2010 7:00 AM 0.00 0.0 M M M
1/13/2010 7:00 AM 0.00 0.0 M M M Ground can be seen at base of trees. Streets are clearing gradually.
1/14/2010 7:00 AM 0.00 0.0 M M M
1/15/2010 7:00 AM T M M M M Rain fell last evening.
1/25/2010 7:00 AM 0.07 1.5 M 7.2 M Snow drifting on roadways just over a foot. Roads dangerously slick at time of observation. Do expect conditions to worsen with diurnal heating. Winds last night combined with snow nearly warranted SKYWARN communications with NWS BYZ. Blizzard conditions did stay just to the N & E. Clear skies and wind with little snow movement at this time. Considerably less snow than anticipated.
1/26/2010 7:00 AM T M M M M Light snow-large flakes, calm.
1/30/2010 7:00 AM T M M M M
2/1/2010 7:00 AM 0.01 0.3 M M M
2/19/2010 7:00 AM 0.00 0.0 M M M
2/20/2010 7:00 AM 0.00 0.0 M M M
2/21/2010 7:00 AM 0.00 0.0 M M M
2/22/2010 7:00 AM 0.00 0.0 M M M Dense fog with visibilities reported of less >50'this earlier this morning has left trees cased with frost. Area is totally clear of fog at this time.
2/23/2010 7:00 AM 0.00 0.0 M M M Smooth and consistant ceiling this morning probably helping contribute to our confortable temps. Winds have calmed since yesterday.
2/25/2010 7:00 AM 0.00 0.0 M M M Spring-like airmass over the area. 12miles south ~+40 degrees F. Snow has begun to recede form tree bases and like areas.
3/1/2010 7:00 AM T M M M M Freezing fog
3/2/2010 7:00 AM T M M M M Very Dense freezing fog. Vis. >70ft at times.
3/3/2010 7:00 AM T M M M M Fog began around 6pm last night and froze during the night/early morning hours. Ice crystals accumulating on vegetation maxing at about 1/3 inch in length.
3/4/2010 7:00 AM 0.00 0.0 M M M
3/5/2010 7:00 AM 0.00 0.0 M M M
3/6/2010 7:00 AM 0.00 0.0 M M M
3/7/2010 7:00 AM 0.00 0.0 M M M
3/8/2010 7:00 AM 0.00 0.0 M M M Many grassy areas winning the battle against the snow-cover; some areas still yeilding 1/2' though.
3/9/2010 7:00 AM T M M M M Rain/snow mix occuring at time of observation.
3/10/2010 7:00 AM 0.00 0.0 M M M
3/11/2010 7:00 AM 0.00 0.0 M M M
3/12/2010 7:00 AM 0.00 0.0 M M M
3/13/2010 7:00 AM 0.00 0.0 M M M
3/14/2010 7:00 AM 0.00 0.0 M M M
3/15/2010 7:00 AM 0.00 0.0 M M M
3/16/2010 7:00 AM 0.00 0.0 M M M
3/17/2010 7:00 AM 0.00 0.0 M M M
3/18/2010 7:00 AM 0.00 0.0 M M M After yesterdays Highs in the 60's snow cover has been depleted to almost zero.
3/19/2010 7:00 AM T T M 0.0 M Light snow was falling at time of observation.
3/20/2010 7:00 AM 0.00 0.0 M M M
3/21/2010 7:00 AM 0.00 0.0 M M M
3/22/2010 7:00 AM T 0.0 0.00 0.0 0.00 Isolated shower provided some precip but mostly virga occurred. This was at about 7am. Ceiling thickening steadily with moisture rich clouds, some cumulus, atmosphere really showing signs of rain to come though.
3/23/2010 7:00 AM T M M M M light showers fell yesterday; did not amount to saturating ground.
3/24/2010 7:00 AM 0.00 0.0 M M M
3/25/2010 7:00 AM 0.00 0.0 M M M
3/26/2010 7:00 AM 0.00 0.0 M M M
3/27/2010 7:00 AM 0.02 M M M M
3/28/2010 7:00 AM 0.00 0.0 M M M
3/29/2010 7:00 AM 0.00 0.0 M M M
3/30/2010 7:00 AM 0.00 0.0 M M M
3/31/2010 7:00 AM 0.06 M M M M Moderate burst of rain fell began at 11:39pm and gradually reduced into the night.
4/1/2010 7:00 AM 0.05 M M M M Dead calm and light rain marks the start of this system moving in.
4/2/2010 7:00 AM 0.58 0.0 M 0.0 M
4/3/2010 7:00 AM 0.00 0.0 M M M
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM T M M M M Very "fresh" out this morning with a cool drizzle of rain amounting to 2 seperate drops in the rain gauge; each with a bug in it.
4/7/2010 7:00 AM 0.00 0.0 M M M
4/8/2010 7:00 AM 0.00 0.0 M M M
4/9/2010 7:00 AM 0.00 0.0 M M M Strong winds warranted "High Wind Warning for CWA. No damage to report other than the usual trash can round-up. Winds began strong and sudden out of the N last night around 8:10. This morning they are below warning criteria and out of the W.
4/10/2010 7:00 AM 0.00 0.0 M M M
4/11/2010 7:00 AM 0.00 0.0 M M M
4/12/2010 7:00 AM 0.00 0.0 M M M
4/13/2010 7:00 AM T M M M M Wet this morning after a two minute shower that was preluded with intermittened thunder. Thundershower began around 4:46am. Wind is sporattic but not too fridged at this time.
4/14/2010 7:00 AM 0.07 M M M M Rain shower occurred early this morning with driving winds. The strength of the wind almost prompted me to get out the anemometer around 6:30am. Solid Pea sized hail fell around 6:10 last night and was reported to NWS via the hotline.
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM 0.00 0.0 M M M
4/17/2010 7:00 AM 0.00 0.0 M M M
4/18/2010 7:00 AM 0.00 0.0 M M M
4/19/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/23/2010 7:00 AM 0.06 M M M M Pleasant temp. rain increasing in intensity.
4/24/2010 7:00 AM 0.67 M M M M
4/25/2010 7:00 AM 0.07 M M M M
4/28/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.17 M M M M Light rain at time of observation.
5/1/2010 7:00 AM 0.27 M M M M windy with misting precip.
5/2/2010 7:00 AM 0.31 M M M M
5/3/2010 7:00 AM 0.03 M M M M
5/4/2010 7:00 AM 0.15 M M M M Very driving and sporatic winds.
5/6/2010 7:00 AM 0.03 0.4 M M M Heavy wet snow, melted inside gauge.
5/7/2010 7:00 AM 0.59 T M T M Light snow occuring at time of observation.
5/24/2010 7:00 AM 1.21 M M M M Wind blew very hard all night; power outages occuured in the AM around daylight.
5/25/2010 7:00 AM 2.08 M M M M Very heavy downpours and moderate rain with thunder occurred.
6/5/2010 7:00 AM T M M M M
6/28/2010 7:00 AM 0.00 0.0 M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
7/5/2010 7:00 AM 0.41 M M M M Thundershowers began to impact the area around the 11pm-12am hours. The ground is still wet this morning from the rather lengthy precip.
7/6/2010 7:00 AM 0.01 M M M M Light sprinkling all morning. Cool.
7/7/2010 7:00 AM 0.18 M M M M
7/8/2010 7:00 AM 0.00 0.0 M M M
7/9/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.36 M M M M Thundershower rolled through early AM.
7/13/2010 7:00 AM 0.14 M M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.03 M M M M
7/19/2010 7:00 AM 0.24 M M M M
7/22/2010 7:00 AM 0.54 M M M M Heavy rains caused closure of parts of main street. Underpass on Main filled several feet at last check; law enformcent diecting traffic away. Curb-to-curb water on many streets with poor drainage.
7/27/2010 7:00 AM 0.07 M M M M Thunderstorms with intense cloud-to-ground lightning caused power-outages and brown-outs late last night. Rain fell fairly hard.
7/28/2010 7:00 AM 0.02 M 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
4/13/2010 6:17 PM Have not placed hail pad yet this season. 1/4" Pea Size 1/4" Pea Size Rice Hard|Clear Ice 5 1min no damage Continuous True Same time as rain Same time as smaller hail 10-20