Station Overview Station Location
Station Number WY-NT-28 Latitude 42.8095
Station Name Casper 1.6 S Longitude -106.3315
County Natrona Elevation (ft) 5522



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 1.39 2.56 31 2.56 31 0.00 0 0 12 3 20.6 11 12
Nov 09 0.89 0.24 28 0.24 28 0.00 0 0 2 1 3.4 2 2
Dec 09 0.93 1.52 29 1.52 29 0.00 0 0 12 1 25.8 12 15
Jan 10 0.54 0.16 25 0.16 25 0.00 0 0 3 0 2.3 3 7
Feb 10 0.89 0.93 28 0.93 28 0.00 0 0 8 2 12.5 7 15
March 10 1.14 2.85 30 2.85 30 0.00 0 0 6 3 19.6 6 17
April 10 1.58 1.75 29 1.75 29 0.00 0 0 11 1 13.4 5 7
May 10 2.44 3.32 30 3.32 30 0.00 0 0 14 3 3.4 2 3
June 10 1.67 1.78 20 1.78 20 0.00 0 0 9 0 0.0 0 0
July 10 1.32 0.76 28 0.76 28 0.00 0 0 8 1 0.0 0 0
Aug 10 1.09 0.32 30 0.32 30 0.00 0 0 5 2 0.0 0 0
Sept 10 1.21 0.45 29 0.45 29 0.00 0 0 5 1 0.0 0 0
Water Year Totals: 15.09" 16.64" 337 days 16.64" 337 0.00" 0 days 0 95 days 18 days 101.0" 48 days 78 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 0.55
10/2/2009 0.00
10/3/2009 0.00
10/4/2009 0.00
10/5/2009 0.42
10/6/2009 0.00
10/7/2009 0.00
10/8/2009 0.05
10/9/2009 0.10
10/10/2009 0.30
10/11/2009 0.09
10/12/2009 0.02
10/13/2009 0.00
10/14/2009 0.00
10/15/2009 T
10/16/2009 T
10/17/2009 0.00
10/18/2009 0.00
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.21
10/22/2009 0.00
10/23/2009 0.00
10/24/2009 T
10/25/2009 0.00
10/26/2009 0.14
10/27/2009 0.00
10/28/2009 0.14
10/29/2009 0.51
10/30/2009 0.03
10/31/2009 0.00
11/1/2009 0.00
11/2/2009 0.00
11/3/2009
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009
11/13/2009 0.19
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 0.05
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 0.21
12/3/2009 0.06
12/4/2009
12/5/2009
12/6/2009 0.16
12/7/2009 0.13
12/8/2009 0.02
12/9/2009 0.06
12/10/2009 0.00
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.00
12/14/2009 T
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.01
12/19/2009 0.00
12/20/2009 0.00
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.03
12/24/2009 0.32
12/25/2009 0.02
12/26/2009 0.40
12/27/2009 0.10
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
1/2/2010
1/3/2010
1/4/2010
1/5/2010
1/6/2010 0.06
1/7/2010 0.08
1/8/2010 0.00
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
1/19/2010 0.00
1/20/2010 0.00
1/21/2010 0.00
1/22/2010 0.00
1/23/2010 0.00
1/24/2010 0.02
1/25/2010 0.00
1/26/2010 0.00
1/27/2010 0.00
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.00
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 0.00
2/7/2010 0.00
2/8/2010 0.04
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 0.05
2/15/2010 0.00
2/16/2010 0.00
2/17/2010 0.00
2/18/2010 0.34
2/19/2010 0.08
2/20/2010 0.03
2/21/2010 0.23
2/22/2010 T
2/23/2010 0.00
2/24/2010 0.00
2/25/2010 0.03
2/26/2010 0.13
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
3/5/2010 0.00
3/6/2010 1.63
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 T
3/11/2010 0.06
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 0.50
3/20/2010 T
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 0.06
3/24/2010 0.52
3/25/2010 0.00
3/26/2010 0.00
3/27/2010 0.08
3/28/2010 0.00
3/29/2010 0.00
3/30/2010 0.00
3/31/2010 T
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.31
4/2/2010 0.63
4/3/2010 T
4/4/2010 0.00
4/5/2010 0.03
4/6/2010
4/7/2010 0.49
4/8/2010 0.03
4/9/2010 0.00
4/10/2010 0.04
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.00
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 0.00
4/23/2010 0.02
4/24/2010 0.03
4/25/2010 0.00
4/26/2010 0.07
4/27/2010 0.00
4/28/2010 0.00
4/29/2010 0.09
4/30/2010 0.01
5/1/2010 0.06
5/2/2010 0.00
5/3/2010 0.00
5/4/2010 0.01
5/5/2010 0.00
5/6/2010 0.35
5/7/2010 0.01
5/8/2010 0.00
5/9/2010 0.00
5/10/2010 0.15
5/11/2010 0.78
5/12/2010 0.47
5/13/2010 0.11
5/14/2010 0.00
5/15/2010
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.00
5/19/2010 0.24
5/20/2010 0.48
5/21/2010 T
5/22/2010 0.04
5/23/2010 0.05
5/24/2010 0.02
5/25/2010 0.55
5/26/2010 0.00
5/27/2010 T
5/28/2010 0.00
5/29/2010 T
5/30/2010 0.00
5/31/2010 0.00
6/1/2010
6/2/2010 0.31
6/3/2010 0.00
6/4/2010 0.00
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 0.01
6/8/2010 0.11
6/9/2010
6/10/2010
6/11/2010
6/12/2010 0.00
6/13/2010 1.08
6/14/2010 0.19
6/15/2010 0.04
6/16/2010 0.00
6/17/2010 0.01
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010 0.01
6/24/2010 0.00
6/25/2010 0.00
6/26/2010 0.00
6/27/2010 0.02
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 0.02
7/4/2010 0.03
7/5/2010 0.35
7/6/2010 T
7/7/2010 0.03
7/8/2010 0.00
7/9/2010 0.00
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 0.01
7/13/2010 0.00
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.02
7/20/2010 0.00
7/21/2010 0.00
7/22/2010 0.29
7/23/2010 0.01
7/24/2010
7/25/2010 0.00
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 0.00
7/30/2010 0.00
7/31/2010 0.00
8/1/2010 0.02
8/2/2010 0.00
8/3/2010 0.00
8/4/2010 T
8/5/2010 0.21
8/6/2010 0.00
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.00
8/15/2010 0.00
8/16/2010 0.00
8/17/2010 0.00
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.00
8/23/2010 0.06
8/24/2010
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.01
8/30/2010 T
8/31/2010 0.02
9/1/2010 0.00
9/2/2010 0.15
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.09
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.00
9/18/2010 0.03
9/19/2010 T
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.13
9/24/2010 0.05
9/25/2010
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.55 2.7 0.51 2.5 M 33 degrees, overcast, light wind. Very light rain at 1930 last night; by 2030 fairly heavy snow, 34 degrees, light breeze, 1/4 inch accumulation.
10/2/2009 7:00 AM 0.00 0.0 M M M 36 degrees, clear, and windy; temp had dropped down to 34 by 2015 MDT last night, then back up to 36 where it stayed all night; windy all day yesterday and thru the night.
10/3/2009 7:00 AM 0.00 0.0 M M M 26 degrees, mostly clear, no wind; high yesterday of 46 with brisk wind most of the day.
10/4/2009 7:00 AM 0.00 0.0 M M M 35 degrees (which was also the low), overcast, very windy. Windy all day yesterday, then increased thru the night.
10/5/2009 7:00 AM 0.42 T M T M 31 degrees, overcast,light breeze; very windy all day yesterday, decreased about 0300 this morning.
10/6/2009 7:00 AM 0.00 0.0 M M M
10/7/2009 7:00 AM 0.00 0.0 M M M 41 degrees, clear, light breeze; high yesterday was 49 with howling (literally) winds.
10/8/2009 7:00 AM 0.05 0.3 0.06 0.3 M 28 degrees this morning, overcast,light wind. high yesterday of 58 at 1600 MDT; temp had dropped to 38 by 1800.
10/9/2009 7:00 AM 0.10 1.3 0.06 1.3 M 27 degrees, heavy snow falling, no wind.
10/10/2009 7:00 AM 0.30 6.8 0.42 7.9 0.49 11 degrees at 0700; snow has just quit falling (for now anyway), overcast, and calm winds (for the time being). Had brisk wind and intermittent snow flurries (heavy at times) most of yesterday and through the night.
10/11/2009 7:00 AM 0.09 1.8 0.80 8.0 0.52 16 degrees, easterly breeze, and snowing; wind blew all night making it challenging to find representative snow depths.
10/12/2009 7:00 AM 0.02 0.1 T 7.5 0.63 18 degrees (after a low of 17), overcast, no wind; high yesterday of 27; scattered snow showers and brisk winds all day yesterday.
10/13/2009 7:00 AM 0.00 0.0 0.00 7.0 0.65 26 degrees (low of 25), overcast, and calm; high yesterday was 33 with periods of sunshine.
10/14/2009 7:00 AM 0.00 0.0 M 0.0 M 52 degrees at 0700. High yesterday of 58; strong winds continued through the day and last night; all snow on the ground is basically gone.
10/15/2009 7:00 AM T 0.0 M M M 42 degrees at 0700, partly cloudy, and no wind (temp has since dropped down to 40); the trace of moisture came shortly after 7 yesterday morning. High yesterday was 61; strong winds all day yesterday and last night, died down early this morning.
10/16/2009 7:00 AM T 0.0 M M M 32 degrees this morning, clear and calm.
10/17/2009 7:00 AM 0.00 0.0 M M M
10/18/2009 7:00 AM 0.00 0.0 M M M
10/19/2009 7:00 AM 0.00 0.0 M M M 40 degres, overcast, calm; high yesterday of 71.
10/20/2009 7:00 AM 0.00 0.0 M M M 40 degrees this morning with thick fog.
10/21/2009 7:00 AM 0.21 1.0 0.10 1.0 M 32 degrees, overcast, calm; high yesterday wa 41 (shortly after 0700); light mist most of the day mixed with a few snow flurries by late afternoon, becoming serious snow by evening.
10/22/2009 7:00 AM 0.00 0.0 M M M 24 degrees, overcast and very frosty.
10/23/2009 7:00 AM 0.00 0.0 M M M
10/24/2009 7:00 AM T 0.0 M M M 49 degrees at 0700, partly cloudy, windy; very windy yesterday and through the night; high yesterday 56, low last night 46.
10/25/2009 7:00 AM 0.00 0.0 M M M
10/26/2009 7:00 AM 0.14 1.0 0.08 1.0 M 33 degrees at 0700, mostly clear, and very windy; high yesterday was 37, low last night was 26 at 2215, then the wind came up!
10/27/2009 7:00 AM 0.00 0.0 M M M 46 degrees, overcast, very windy.
10/28/2009 7:00 AM 0.14 1.1 0.15 1.1 M 28 degrees,snowing and blowing; light snow started late afternoon, continued the rest of the day, nothing very heavy; brisk winds yesterday, last night and this am.
10/29/2009 7:00 AM 0.51 3.8 0.45 5.2 0.60 25 degrees at 0700, light snow, light wind.
10/30/2009 7:00 AM 0.03 0.7 0.05 6.0 0.81 32 degrees at 0700 (24 degrees at 2030 last night - then the wind came up!), overcast, windy. Snowing and blowing most of the day yesterday - made it challenging to get measurements; what I took this morning is probably more of an average of what is on the ground.
10/31/2009 7:00 AM 0.00 0.0 0.00 0.0 M 44 degrees, partly cloudy, very windy; windy all day yesterday and through the night; juat a few scattered patches of snow on the ground.
11/1/2009 7:00 AM 0.00 0.0 M M M 47 degrees, partly cloudy, light breeze; our snow is gone; a very pleasant morning.
11/2/2009 7:00 AM 0.00 0.0 M M M 36 degrees, low overcast, very little wind.
11/4/2009 7:00 AM 0.00 0.0 M M M 24 degrees, mostly clear skies, and calm winds.
11/5/2009 7:00 AM 0.00 0.0 M M M 53 degrees at 0700!!! (with winds to match!)
11/6/2009 7:00 AM 0.00 0.0 M M M
11/7/2009 7:00 AM 0.00 0.0 M M M 49 degrees, overcast, light breeze.
11/8/2009 7:00 AM 0.00 0.0 M M M 43 degrees, light breeze, clear except for a heavy cloudlbank low off to the ESE.
11/9/2009 7:00 AM 0.00 0.0 M M M 23 degrees, partly cloudy, very little wind.
11/10/2009 7:00 AM 0.00 0.0 M M M 31 degrees (after a low of 28), mostly cloudy, and windy.
11/11/2009 7:00 AM 0.00 0.0 M M M 50 degrees (the wind came up after a low of 40), mostly overcast, and windy!!
11/13/2009 7:00 AM 0.19 2.6 0.21 2.6 M 28 degrees at 0700 (up from 25 earlier), overcast, no wind.
11/14/2009 7:00 AM 0.00 0.0 M T M 26 degrees this morning, partly cloudy, light breeze; only a trace of snow left on the ground after brisk winds yesterday with a high of 42.
11/15/2009 7:00 AM 0.00 0.0 M T M 18 degrees at 0700, calm and not a cloud in sight.
11/16/2009 7:00 AM 0.00 0.0 M T M
11/17/2009 7:00 AM 0.00 0.0 M M M 45 degrees at 0700, mostly clear, and quite windy! (It was 38 at 2130 last night, then the wind came up.)
11/18/2009 7:00 AM 0.00 0.0 M M M
11/19/2009 7:00 AM 0.00 0.0 M M M
11/20/2009 7:00 AM 0.00 0.0 M M M Brisk winds all night; 42 degrees this morning, mostly clear skies.
11/21/2009 7:00 AM 0.00 0.0 M M M 45 degrees, partly cloudy, strong winds (after very high winds all night).
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.05 0.8 0.07 1.0 M 27 degrees, partly cloudy, SSW breeze.
11/24/2009 7:00 AM 0.00 0.0 M T M 30 degrees at 0700, partly cloudy and windy, after a low of 26; high yesterday of 37.
11/25/2009 7:00 AM T T M T M 26 degrees, partly cloudy, no wind.
11/26/2009 7:00 AM 0.00 0.0 M M M 43 degrees, mostly clear, windy.
11/27/2009 7:00 AM 0.00 0.0 M M M 47 degrees, partly cloudy, windy (down from the window-rattling last night).
11/28/2009 7:00 AM 0.00 0.0 M 0.0 M 33 degrees at 0700, heavy overcast, calm after a windy night.
11/29/2009 7:00 AM 0.00 0.0 M 0.0 M 19 degrees at 0700 (18 at 0630), clear, calm and very frosty!!
11/30/2009 7:00 AM 0.00 0.0 M 0.0 M
12/1/2009 7:00 AM 0.00 0.0 M 0.0 M
12/2/2009 7:00 AM 0.21 3.2 0.19 3.0 M 7 degrees at 0700, clear, and calm (5 degrees at 0740).
12/3/2009 7:00 AM 0.06 1.0 0.06 4.0 0.27 8 degrees at 0700, very light snowfall, light breeze.
12/6/2009 7:00 AM 0.16 2.2 0.25 2.0 0.25 6 degrees at 0700, overcast, windy; brisk wind blew all night - can only get an approximate measurement of new snow on the ground.
12/7/2009 7:00 AM 0.13 0.7 0.18 3.5 0.47 -8.7 degrees at 0700, overcast, very little wind; with the wind over the last couple days, can only approximate total snow depth.
12/8/2009 7:00 AM 0.02 0.5 0.03 3.5 0.46 0 degrees, light snow, windy (wind blew all night).
12/9/2009 7:00 AM 0.06 0.3 0.04 0.5 M
12/10/2009 7:00 AM 0.00 0.0 M M M Windy.
12/11/2009 7:00 AM 0.00 0.0 M M M Still windy.
12/12/2009 7:00 AM 0.00 0.0 M M M Wind, wind, and more wind.
12/13/2009 7:00 AM 0.00 0.0 M M M 36 degrees at 0700, overcast, calm; it is just starting to spit a little snow.
12/14/2009 7:00 AM T T M M M 8 degrees at 0700 - temp has been rollercoasting since 2000 last night, from 9 degrees to 28 twice in the last 12 hours.
12/15/2009 7:00 AM 0.00 0.0 M M M 28 degrees, mostly cloudy, very windy.
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
12/18/2009 7:00 AM 0.01 0.2 0.01 0.2 M 20 degrees at 0700, mostly clear, very little wind.
12/19/2009 7:00 AM 0.00 0.0 M M M
12/20/2009 7:00 AM 0.00 0.0 M M M
12/21/2009 7:00 AM 0.00 0.0 M M M 40 degrees at 0700, mostly clear, brisk winds after horrendous winds all night.!!
12/22/2009 7:00 AM 0.00 0.0 M M M 41 degrees, heavy overcast, very windy!
12/23/2009 7:00 AM 0.03 0.7 0.04 M M 25 degrees at 0700, light snow falling, light NE wind.
12/24/2009 7:00 AM 0.32 5.6 0.32 6.5 0.34 4 degrees at 0700, partly cloudy, light breeze; by the time I got this info submitted (0850), the wind has come up and the temp is 13 degrees).
12/25/2009 7:00 AM 0.02 0.2 0.02 6.6 0.43 6 degrees at 0700, overcast (very light snow), no wind.
12/26/2009 7:00 AM 0.40 6.7 0.53 12.0 1.06 13 degrees at 0700, snowing, light breeze; high yesterday at 18.
12/27/2009 7:00 AM 0.10 4.5 0.21 15.0 1.33 1 degree at 0700, clear and sunny, light breeze; snowed most of yesterday, with brisk wind, high of 21.
12/28/2009 7:00 AM 0.00 0.0 0.00 14.0 1.30 12 degrees, clear, calm winds.
12/29/2009 7:00 AM 0.00 0.0 0.00 12.5 1.35 21 degrees at 0700, overcast, light breeze.
12/30/2009 7:00 AM 0.00 0.0 0.00 11.0 1.30 25 degrees, mostly overcast, light breeze; temp stayed at 25 throughout most of the night.
12/31/2009 7:00 AM 0.00 0.0 0.00 10.0 1.41 22 degrees, clear, light breeze
1/6/2010 7:00 AM 0.06 1.2 0.06 7.0 1.18
1/7/2010 7:00 AM 0.08 0.8 0.06 8.0 1.28 -6 degrees at 0700 (dropped to -10 by 0740), clear skies, very little wind.
1/8/2010 7:00 AM 0.00 0.0 0.00 7.5 1.17
1/9/2010 7:00 AM 0.00 0.0 0.00 6.5 1.11 clear, light breeze, 32 degrees.
1/10/2010 7:00 AM 0.00 0.0 0.00 4.5 0.82
1/11/2010 7:00 AM 0.00 0.0 0.00 4.0 0.79 23 degrees this morning, mostly clear, light wind.
1/12/2010 7:00 AM 0.00 0.0 0.00 M M
1/13/2010 7:00 AM 0.00 0.0 0.00 T M
1/14/2010 7:00 AM 0.00 0.0 0.00 M M 22 degrees, mostly clear, calm.
1/15/2010 7:00 AM 0.00 0.0 0.00 M M
1/16/2010 7:00 AM 0.00 0.0 0.00 M M
1/17/2010 7:00 AM 0.00 0.0 0.00 M M
1/19/2010 7:00 AM 0.00 0.0 0.00 M M
1/20/2010 7:00 AM 0.00 0.0 0.00 M M 29 degrees this morning, partly cloudy, and now wind (a welcome change!!). A few snowflakes fell yesterday fell yesterday afternoon.
1/21/2010 7:00 AM 0.00 0.0 0.00 M M 37 degrees, heavy overcast, VERY windy; snow squall moving across the face of Casper Mountain.
1/22/2010 7:00 AM 0.00 0.0 0.00 M M
1/23/2010 7:00 AM 0.00 0.0 0.00 M M
1/24/2010 7:00 AM 0.02 0.3 0.03 0.3 0.03 20 degrees, overcast, strong winds.
1/25/2010 7:00 AM 0.00 0.0 0.00 T M
1/26/2010 7:00 AM 0.00 0.0 0.00 0.0 M
1/27/2010 7:00 AM 0.00 0.0 0.00 0.0 M 17 degrees, heavy overcast, no wind.
1/28/2010 7:00 AM 0.00 0.0 0.00 0.0 M 16 degrees, high thin cloud cover, no wind.
1/29/2010 7:00 AM 0.00 0.0 0.00 0.0 M 18 degrees, mostly clear, no wind.
1/30/2010 7:00 AM 0.00 0.0 0.00 0.0 M
1/31/2010 7:00 AM 0.00 0.0 0.00 0.0 M 29 degrees, partly cloudy, windy.
2/1/2010 7:00 AM 0.00 0.0 0.00 0.0 M
2/2/2010 7:00 AM 0.00 0.0 0.00 0.0 M
2/3/2010 7:00 AM 0.00 0.0 0.00 0.0 M 23 degrees, clear, calm winds.
2/4/2010 7:00 AM 0.00 0.0 0.00 0.0 M
2/5/2010 7:00 AM 0.00 0.0 0.00 0.0 M
2/6/2010 7:00 AM 0.00 0.0 0.00 0.0 M 27 degrees at 0700, overcast, light wind; a few snowflakes fell yesterday afternoon
2/7/2010 7:00 AM 0.00 0.0 0.00 0.0 M 27 degrees, heavy overcast, no wind.
2/8/2010 7:00 AM 0.04 1.1 0.02 1.1 0.02 11 degrees, light snow falling, light wind.
2/9/2010 7:00 AM T T M 0.5 0.02
2/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/14/2010 7:00 AM 0.05 2.9 0.07 2.9 0.07 1 degree, partly sunny, calm.
2/15/2010 7:00 AM 0.00 0.0 0.00 1.5 0.07 5 degrees, clear, calm.
2/16/2010 7:00 AM 0.00 0.0 0.00 T T 13 degrees, 5-10% cloud cover, light SW breeze.
2/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 34 degrees, cloudy, light wind.
2/18/2010 7:00 AM 0.34 3.9 0.32 3.9 0.32 25 degrees, light snow, brisk easterly wind.
2/19/2010 7:00 AM 0.08 1.0 0.09 5.5 0.47 14 degrees, heavy overcast, no wind
2/20/2010 7:00 AM 0.03 1.4 0.05 6.5 0.55 17 degrees, light snow, easterly wind.
2/21/2010 7:00 AM 0.23 2.0 0.18 7.0 0.59 13 degrees, light snow, brisk NE wind; strong wind all day yesterday - difficult to get accurate depth measurements.
2/22/2010 7:00 AM T 0.0 0.00 6.5 0.64 10 degrees, clear, light westerly wind; it was -6 at 0210 this morning.
2/23/2010 7:00 AM 0.00 0.0 0.00 5.0 0.54 22 degrees at 0700, clear skies, brisk SW wind.
2/24/2010 7:00 AM 0.00 0.0 0.00 4.5 0.57 31 degrees, mostly cloudy, strong SW winds.
2/25/2010 7:00 AM 0.03 0.2 0.04 4.5 0.65 28 degrees, light snow, light wind.
2/26/2010 7:00 AM 0.13 M M 4.5 0.74 18 degrees at 0700,clear and calm; high yesterday 39 degrees - new snow had melted.
2/27/2010 7:00 AM 0.00 0.0 0.00 4.0 0.71 31 degrees at 0700 (was 36 at 0635), overcast, light wind.
2/28/2010 7:00 AM 0.00 0.0 0.00 3.0 0.72
3/1/2010 7:00 AM 0.00 0.0 0.00 3.0 0.71
3/2/2010 7:00 AM 0.00 0.0 0.00 2.0 0.61
3/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/5/2010 7:00 AM 0.00 0.0 0.00 M M
3/6/2010 7:00 AM 1.63 11.1 1.49 11.0 1.49 32 degrees, overcast, light wind; snowed most of yesterday - earliest snowfall tended to melt til temps dropped to around freezing.
3/7/2010 7:00 AM 0.00 0.0 0.00 7.0 1.42 26 degrees, fog in low areas; hight here yesterday of 51 - snow settled considerably.
3/8/2010 7:00 AM 0.00 0.0 0.00 5.0 1.41 39 degrees, overcast, windy.
3/9/2010 7:00 AM 0.00 0.0 0.00 3.0 1.19
3/10/2010 7:00 AM T T M 2.5 1.05 27 degrees, overcast,light NW breeze.
3/11/2010 7:00 AM 0.06 0.3 0.05 3.0 1.07 26 degrees, overcast.
3/12/2010 7:00 AM 0.00 0.0 0.00 2.5 0.94
3/13/2010 7:00 AM 0.00 0.0 0.00 1.0 0.76
3/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/19/2010 7:00 AM 0.50 4.2 0.50 4.2 0.50 26 degrees, overcast, brisk E wind.
3/20/2010 7:00 AM T T M 3.5 0.45 13 degrees, very light SW wind.
3/21/2010 7:00 AM 0.00 0.0 0.00 2.0 0.40
3/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/23/2010 7:00 AM 0.06 0.4 0.70 0.4 0.07 32 degrees, snowing, brisk NE wind.
3/24/2010 7:00 AM 0.52 3.1 0.46 3.5 0.60 24 degrees at 0700, clear and calm.
3/25/2010 7:00 AM 0.00 0.0 0.00 1.0 0.38
3/26/2010 7:00 AM 0.00 0.0 0.00 T M
3/27/2010 7:00 AM 0.08 0.5 0.07 0.5 0.07 32 degrees, overcast, light wind
3/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/30/2010 7:00 AM 0.00 0.0 0.00 M M
3/31/2010 7:00 AM T T T M M
4/1/2010 7:00 AM 0.31 1.4 0.22 1.4 0.22 31 degrees, snowing, light ENE wind.
4/2/2010 7:00 AM 0.63 6.8 0.63 9.0 0.92 27 degrees, light snow, light wind.
4/3/2010 7:00 AM T T T 5.0 0.94 31 degrees, very light snow, strong wind (after high wind most of the night).
4/4/2010 7:00 AM 0.00 0.0 0.00 2.0 0.82 27 degrees at 0700, overcast, light wind.
4/5/2010 7:00 AM 0.03 0.2 0.02 0.2 0.02 32 degrees, mostly cloudy, very little wind; high yesterday of 42 with brisk wind.
4/7/2010 7:00 AM 0.49 4.9 0.53 4.9 0.53 31 degrees, light snow, light wind.
4/8/2010 7:00 AM 0.03 0.0 0.00 1.0 0.36 32 degrees at 0700, mostly clear, light wind; high yesterday of 41, new snow that fell yesterday is gone.
4/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 26 degrees, mostly cloudy, brisk east wind; high yesterday of 52 - remaining snow is gone!
4/10/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 29 degrees, heavy fog.
4/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 46 degrees, mostly overcast, very windy.
4/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 38 degrees, clear skies, very windy (tho not as bad as yesterday).
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
4/22/2010 7:00 AM 0.00 0.0 M M M
4/23/2010 7:00 AM 0.02 M M M M 41 degrees, heavy overcast, no wind.
4/24/2010 7:00 AM 0.03 0.0 0.00 M M Overcast, light wind.
4/25/2010 7:00 AM 0.00 0.0 0.00 M M 35 degrees at 0700 (was 40 at 0530), heavy overcast, light wind.
4/26/2010 7:00 AM 0.07 0.1 0.01 0.0 M 30 degrees, skies mostly cleared off, light wind.
4/27/2010 7:00 AM 0.00 0.0 M M M
4/28/2010 7:00 AM 0.00 0.0 M M M
4/29/2010 7:00 AM 0.09 0.0 M M M 33 degrees, very windy, partly cloudy
4/30/2010 7:00 AM 0.01 T M M M 31 degrees, overcast, brisk wind, very light skiff of snow.
5/1/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/3/2010 7:00 AM 0.00 0.0 M 0.0 M
5/4/2010 7:00 AM 0.01 T M T M 35 degrees, very light breeze (after extremely high winds all night), heavy overcast; there was a very light scattering of snow pellets on the ground.
5/5/2010 7:00 AM 0.00 0.0 M 0.0 M
5/6/2010 7:00 AM 0.35 0.7 0.26 0.5 M 31 degrees, very light snow, NE wind.
5/7/2010 7:00 AM 0.01 0.0 M 0.0 M 27 degrees, partly cloudy, light wind.
5/8/2010 7:00 AM 0.00 0.0 M 0.0 M 21 degrees, mostly clear, light wind.
5/9/2010 7:00 AM 0.00 0.0 M 0.0 M
5/10/2010 7:00 AM 0.15 M M M M light rain mixed with snow; brisk NNE wind.
5/11/2010 7:00 AM 0.78 M M M M 36 degrees, light rain, brisk easterly wind.
5/12/2010 7:00 AM 0.47 2.7 0.39 2.7 0.39 31 degrees at 0700, light snow, light wind.
5/13/2010 7:00 AM 0.11 T M 1.0 0.29 32 degrees, very light wind, a few scattered snowflakes.
5/14/2010 7:00 AM 0.00 0.0 M 0.0 M 31 degrees, clear skies, light wind.
5/16/2010 7:00 AM 0.00 0.0 M 0.0 M
5/17/2010 7:00 AM 0.00 0.0 M 0.0 M
5/18/2010 7:00 AM 0.00 0.0 M 0.0 M 46 degrees, mostly cloudy, light breeze.
5/19/2010 7:00 AM 0.24 0.0 M 0.0 M 47 degrees at 0700, light rain, light wind.
5/20/2010 7:00 AM 0.48 0.0 M 0.0 M 46 degrees, mostly overcast, light breeze.
5/21/2010 7:00 AM T 0.0 M 0.0 M
5/22/2010 7:00 AM 0.04 0.0 M 0.0 M
5/23/2010 7:00 AM 0.05 0.0 M 0.0 M 43 degrees at 0700 (low was 34), mostly clear, calm winds.
5/24/2010 7:00 AM 0.02 0.0 M 0.0 M 44 degrees, mostly overcast, light wind.
5/25/2010 7:00 AM 0.55 0.0 M 0.0 M 44 degrees, mostly clear, brisk SW wind; had everything yesterday - very strong winds, hard rain, temps dropped, a little hail, turned to snow (bordering on blizzard conditions), temp got down to 33, then gradually warmed up, back to rain, finally quit raining, temp back into low 40's - but the wind never let up!!
5/26/2010 7:00 AM 0.00 0.0 M 0.0 M
5/27/2010 7:00 AM T 0.0 M 0.0 M
5/28/2010 7:00 AM 0.00 0.0 M 0.0 M
5/29/2010 7:00 AM T 0.0 M 0.0 M
5/30/2010 7:00 AM 0.00 0.0 M M M
5/31/2010 7:00 AM 0.00 0.0 M M M
6/2/2010 7:00 AM 0.31 0.0 M 0.0 M
6/3/2010 7:00 AM 0.00 0.0 M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 7:00 AM 0.00 0.0 M M M
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.01 M M M M
6/8/2010 7:00 AM 0.11 M M M M 50 degrees, overcast, no wind.
6/12/2010 7:00 AM 0.00 0.0 M M M
6/13/2010 7:00 AM 1.08 M M M M 42 degrees, overcast, very light rain, light wind.
6/14/2010 7:00 AM 0.19 M M M M 44 degrees, overcast with very light rain, no wind.
6/15/2010 7:00 AM 0.04 0.0 M M M 42 degrees, mostly clear skies, very light wind.
6/16/2010 7:00 AM 0.00 0.0 M M M 49 degrees, clear, calm.
6/17/2010 7:00 AM 0.01 M M M M
6/23/2010 7:00 AM 0.01 M M M M
6/24/2010 7:00 AM 0.00 0.0 M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.02 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
7/3/2010 7:00 AM 0.02 M M M M
7/4/2010 7:00 AM 0.03 M M M M
7/5/2010 7:00 AM 0.35 M M M M Shortly after 0700 yesterday, had a hailstorm (with marble-size hail), lasted about 15 minutes, accompanied by rain and strong winds.
7/6/2010 7:00 AM T M M M M 50 degrees at 0700, overcast, mist.
7/7/2010 7:00 AM 0.03 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
7/10/2010 7:00 AM 0.00 0.0 M M M
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.01 M M M M 54 degrees at 0700; foggy earlier, light wind came up about 0710.
7/13/2010 7:00 AM 0.00 0.0 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
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M
7/19/2010 7:00 AM 0.02 M M M M
7/20/2010 7:00 AM 0.00 0.0 M M M
7/21/2010 7:00 AM 0.00 0.0 M M M 57 degrees, overcast, light breeze
7/22/2010 7:00 AM 0.29 M M M M 56 degrees, overcast, very little wind; a late afternoon / early evening series of rainstorms produced 0.19 of rain and an early morning shower (just before 0700) added another 0.10).
7/23/2010 7:00 AM 0.01 M M M M
7/25/2010 7:00 AM 0.00 0.0 M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.00 0.0 M M M
7/29/2010 7:00 AM 0.00 0.0 M M M
7/30/2010 7:00 AM 0.00 0.0 M M M
7/31/2010 7:00 AM 0.00 0.0 M M M
8/1/2010 7:00 AM 0.02 M M M M
8/2/2010 7:00 AM 0.00 0.0 M M M
8/3/2010 7:00 AM 0.00 0.0 M M M
8/4/2010 7:00 AM T M M M M
8/5/2010 7:00 AM 0.21 M M M M
8/6/2010 7:00 AM 0.00 0.0 M M M
8/7/2010 7:00 AM 0.00 0.0 M M M
8/8/2010 7:00 AM 0.00 0.0 M M M 64 degrees, mostly cloudy, breezy.
8/9/2010 7:00 AM 0.00 0.0 M M M
8/10/2010 7:00 AM 0.00 0.0 M M M
8/11/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M 53 degrees, clear, light breeze.
8/14/2010 7:00 AM 0.00 0.0 M M M 51 degrees, overcast.
8/15/2010 7:00 AM 0.00 0.0 M M M 49 degrees, mostly clear, light east wind.
8/16/2010 7:00 AM 0.00 0.0 M M M
8/17/2010 7:00 AM 0.00 0.0 M M M
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 7:00 AM 0.00 0.0 M M M
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 7:00 AM 0.06 M M M M
8/25/2010 7:00 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.01 M M M M
8/30/2010 7:00 AM T M M M M 56 degrees, overcast, windy.
8/31/2010 7:00 AM 0.02 M M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.15 M M M M 44 degrees this morning, mostly clear, and calm winds (after a peak gust of 51 mph yesterday early afternoon).
9/3/2010 7:00 AM 0.00 0.0 M M M 36 degrees, clear and calm.
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.09 M M M M 41 degrees, mostly clear, light breeze.
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.00 0.0 M M M
9/13/2010 7:00 AM 0.00 0.0 M M M 47 degrees, partly cloudy, no Wind!!
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.00 0.0 M M M
9/18/2010 7:00 AM 0.03 M M M M 37 degrees, heavy overcast, with light ENE breze.
9/19/2010 7:00 AM T M M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.00 0.0 M M M 43 degrees this morning, clear skies, light breeze.
9/23/2010 7:00 AM 0.13 M M M M 44 degrees at 0700, heavy overcast, very light rain, little wind.
9/24/2010 7:00 AM 0.05 M M M M 57 degrees, clear, and windy.
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 7:00 AM 0.00 0.0 M M M 44 degrees, mostly clear, light easterly breeze.



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