Station Overview Station Location
Station Number WY-NT-42 Latitude 42.7937
Station Name Casper 4.3 SW Longitude -106.3965
County Natrona Elevation (ft) 5500



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 1.50 2.31 26 2.31 26 0.00 0 0 8 2 0.4 1 1
Nov 11 0.92 1.41 12 1.41 12 0.00 0 0 5 0 12.8 4 2
Dec 11 0.92 0.86 2 0.86 2 0.00 0 0 2 0 11.3 2 0
Jan 12 0.59 1.44 12 1.44 12 0.00 0 0 3 1 14.8 3 3
Feb 12 1.08 1.35 7 1.35 7 0.00 0 0 4 0 14.0 4 4
March 12 1.18 0.30 6 0.30 6 0.00 0 0 2 0 2.4 1 1
April 12 1.74 1.29 11 1.29 11 0.00 0 0 5 2 3.7 2 1
May 12 2.66 1.88 13 1.88 13 0.00 0 0 7 4 0.0 0 0
June 12 1.85 0.46 20 0.46 18 0.00 2 1 4 2 0.0 0 0
July 12 1.29 0.58 22 0.58 22 0.00 0 0 7 7 0.0 0 0
Aug 12 1.22 0.05 19 0.05 19 0.00 0 0 2 3 0.0 0 0
Sept 12 1.17 0.36 21 0.23 16 0.13 5 1 4 1 0.0 0 0
Water Year Totals: 16.12" 12.29" 171 days 12.16" 164 0.13" 7 days 2 53 days 22 days 59.4" 17 days 12 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 0.00
10/2/2011 T
10/3/2011
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 T
10/7/2011 0.99
10/8/2011 0.14
10/9/2011 0.67
10/10/2011
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.33
10/18/2011 0.05
10/19/2011
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 0.03
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.09
10/26/2011 0.01
10/27/2011
10/28/2011 0.00
10/29/2011 0.00
10/30/2011
10/31/2011 0.00
11/1/2011 0.09
11/2/2011 0.77
11/3/2011
11/4/2011
11/5/2011
11/6/2011
11/7/2011
11/8/2011
11/9/2011
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 0.02
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.01
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.52
11/20/2011
11/21/2011
11/22/2011
11/23/2011
11/24/2011
11/25/2011
11/26/2011
11/27/2011
11/28/2011
11/29/2011
11/30/2011
12/1/2011 0.79
12/2/2011 0.07
12/3/2011
12/4/2011
12/5/2011
12/6/2011
12/7/2011
12/8/2011
12/9/2011
12/10/2011
12/11/2011
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011
12/21/2011
12/22/2011
12/23/2011
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.74
1/12/2012 T
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012
1/17/2012 0.16
1/18/2012 0.00
1/19/2012 0.00
1/20/2012
1/21/2012 0.00
1/22/2012 0.54
1/23/2012
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
2/2/2012
2/3/2012
2/4/2012
2/5/2012
2/6/2012
2/7/2012
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012 0.61
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.43
2/24/2012 0.19
2/25/2012
2/26/2012
2/27/2012
2/28/2012 0.00
2/29/2012 0.12
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012
3/15/2012
3/16/2012
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 0.14
3/20/2012 0.16
3/21/2012 0.00
3/22/2012
3/23/2012
3/24/2012 0.00
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 0.62
4/3/2012
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012
4/12/2012 T
4/13/2012 T
4/14/2012 0.15
4/15/2012 0.34
4/16/2012 0.14
4/17/2012 0.00
4/18/2012
4/19/2012 0.04
4/20/2012
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012
4/27/2012
4/28/2012
4/29/2012
4/30/2012
5/1/2012
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
5/19/2012 0.66
5/20/2012 T
5/21/2012 0.00
5/22/2012 0.00
5/23/2012 0.21
5/24/2012 0.31
5/25/2012 0.33
5/26/2012 0.13
5/27/2012 0.23
5/28/2012 0.01
5/29/2012 T
5/30/2012 T
5/31/2012 T
6/1/2012 0.00
6/2/2012 0.00
6/3/2012 T
6/4/2012
6/5/2012
6/6/2012 0.10
6/7/2012 **
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.08
6/11/2012 0.00
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 0.22
6/17/2012 0.00
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.06
6/21/2012 T
6/22/2012
6/23/2012
6/24/2012 0.00
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
7/2/2012
7/3/2012
7/4/2012
7/5/2012 0.00
7/6/2012 0.12
7/7/2012 0.00
7/8/2012 0.00
7/9/2012
7/10/2012 0.02
7/11/2012 T
7/12/2012 0.04
7/13/2012
7/14/2012
7/15/2012 0.13
7/16/2012 T
7/17/2012 T
7/18/2012
7/19/2012 0.00
7/20/2012 0.00
7/21/2012 T
7/22/2012 T
7/23/2012 T
7/24/2012 T
7/25/2012 0.17
7/26/2012 0.03
7/27/2012
7/28/2012 0.00
7/29/2012 0.07
7/30/2012 0.00
7/31/2012 0.00
8/1/2012 0.00
8/2/2012 0.00
8/3/2012
8/4/2012
8/5/2012
8/6/2012 0.00
8/7/2012 T
8/8/2012
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 T
8/12/2012 0.01
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.00
8/19/2012
8/20/2012
8/21/2012
8/22/2012
8/23/2012 0.00
8/24/2012 0.00
8/25/2012
8/26/2012 0.00
8/27/2012
8/28/2012 T
8/29/2012
8/30/2012
8/31/2012 0.04
9/1/2012 0.00
9/2/2012 0.00
9/3/2012 0.00
9/4/2012 0.00
9/5/2012
9/6/2012 0.00
9/7/2012
9/8/2012
9/9/2012
9/10/2012 **
9/11/2012 **
9/12/2012 **
9/13/2012 **
9/14/2012 0.13
9/15/2012
9/16/2012
9/17/2012
9/18/2012 0.04
9/19/2012 0.00
9/20/2012
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 T
9/26/2012 0.00
9/27/2012 0.14
9/28/2012
9/29/2012 0.03
9/30/2012 0.02



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M
10/2/2011 7:00 AM T M M M M
10/4/2011 7:00 AM 0.00 0.0 M M M
10/5/2011 7:00 AM 0.00 0.0 M M M
10/6/2011 7:00 AM T M M M M
10/7/2011 7:00 AM 0.99 0.0 M 0.0 M Very high winds approx 70 mph gusts. Snow within 300' elevation of my location.
10/8/2011 7:00 AM 0.14 0.0 M 0.0 M 2 day total 1.13 inches rain
10/9/2011 7:00 AM 0.67 0.0 M 0.0 M 3 day total 1.80" of rain
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.00 0.0 M M M
10/13/2011 7:00 AM 0.00 0.0 M M M
10/14/2011 7:00 AM 0.00 0.0 M M M
10/15/2011 7:00 AM 0.00 0.0 M M M
10/16/2011 7:00 AM 0.00 0.0 M M M
10/17/2011 7:00 AM 0.33 0.0 M 0.0 M
10/18/2011 7:00 AM 0.05 0.0 M 0.0 M Storm total .38 inches rain. Month to date Precip. 2.18 inches Rain no measureable snow
10/20/2011 7:00 AM 0.00 0.0 M M M
10/21/2011 7:00 AM 0.00 0.0 M M M
10/22/2011 7:00 AM 0.03 M M M M
10/23/2011 7:00 AM 0.00 0.0 M M M
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.09 0.4 0.09 0.5 0.09 first snow fall of the season
10/26/2011 7:00 AM 0.01 0.0 M 0.0 M .10 Precipitation
10/28/2011 7:00 AM 0.00 0.0 M M M
10/29/2011 7:00 AM 0.00 0.0 M M M
10/31/2011 7:00 AM 0.00 0.0 M M M
11/1/2011 7:00 AM 0.09 0.2 0.09 0.0 0.09 Totals for October. 2.31" of pricipitation. .4" of snow
11/2/2011 7:00 AM 0.77 6.1 0.77 6.1 0.77
11/10/2011 7:00 AM 0.00 0.0 M M M
11/11/2011 7:00 AM 0.00 0.0 M M M
11/12/2011 7:00 AM 0.00 0.0 M M M
11/13/2011 7:00 AM 0.02 M M M M
11/14/2011 7:00 AM 0.00 0.0 M M M
11/15/2011 7:00 AM 0.00 0.0 M M M
11/16/2011 7:00 AM 0.01 0.2 0.01 0.0 M
11/17/2011 7:00 AM 0.00 0.0 M M M
11/18/2011 7:00 AM 0.00 0.0 M M M
11/19/2011 7:00 AM 0.52 6.3 0.47 6.3 0.47
12/1/2011 7:00 AM 0.79 10.1 0.79 M M
12/2/2011 7:00 AM 0.07 1.2 0.07 M M cannot get accurate snow depth total due to high winds
1/9/2012 7:00 AM 0.00 0.0 M M M
1/10/2012 7:00 AM 0.00 0.0 M M M
1/11/2012 7:00 AM 0.74 8.1 0.74 8.0 0.74 Started as rain at my location then turned to wet snow. Have not been here much due to the death of both my parents 19 days apart in November 2011. I will try to piece together observations that I did not log earlier
1/12/2012 7:00 AM T M M M M Due to high winds and heavy drifting unable to get accurate snow depth on level
1/13/2012 7:00 AM 0.00 0.0 M M M
1/14/2012 7:00 AM 0.00 0.0 M M M
1/15/2012 7:00 AM 0.00 0.0 M M M
1/17/2012 7:00 AM 0.16 2.6 0.16 2.5 0.16
1/18/2012 7:00 AM 0.00 0.0 M M M
1/19/2012 7:00 AM 0.00 0.0 M M M
1/21/2012 7:00 AM 0.00 0.0 M M M
1/22/2012 7:00 AM 0.54 4.1 0.54 4.0 0.54 Recieved rain .04 during the day and then started raining before snow startedclose to midnight
2/20/2012 7:00 AM 0.61 6.9 0.61 7.0 0.61
2/21/2012 7:00 AM 0.00 0.0 M M M Impossible to get accurate snow depth measurements due to very high winds. I have several 5+' deep drifts at my place just out of town at the base of Casper Mountain
2/22/2012 7:00 AM 0.00 0.0 M M M
2/23/2012 7:00 AM 0.43 3.9 0.41 4.0 0.41 Started as rain and then thunder snow.
2/24/2012 7:00 AM 0.19 1.8 0.19 4.0 0.55
2/28/2012 7:00 AM 0.00 0.0 M M M due to wind no accurate snow depth reading at this location
2/29/2012 7:00 AM 0.12 1.4 0.12 1.5 0.14
3/17/2012 7:00 AM 0.00 0.0 M M M
3/18/2012 7:00 AM 0.00 0.0 M M M
3/19/2012 7:00 AM 0.14 M M M M
3/20/2012 7:00 AM 0.16 2.4 0.16 2.5 0.16
3/21/2012 7:00 AM 0.00 0.0 M M M
3/24/2012 7:00 AM 0.00 0.0 M M M
4/2/2012 7:00 AM 0.62 2.8 0.62 3.0 0.62 Started as rain
4/8/2012 7:00 AM 0.00 0.0 M M M
4/9/2012 7:00 AM 0.00 0.0 M M M
4/10/2012 7:00 AM 0.00 0.0 M M M
4/12/2012 7:00 AM T M M M M
4/13/2012 7:00 AM T M M M M
4/14/2012 7:00 AM 0.15 M M M M
4/15/2012 7:00 AM 0.34 M M M M
4/16/2012 7:00 AM 0.14 0.9 0.14 M M total storm precip for the period .63
4/17/2012 7:00 AM 0.00 0.0 M M M
4/19/2012 7:00 AM 0.04 M M M M
5/19/2012 7:00 AM 0.66 M M M M Sorry this report is late. My computer was behaving badly
5/20/2012 7:00 AM T M M M M
5/21/2012 7:00 AM 0.00 0.0 M M M
5/22/2012 7:00 AM 0.00 0.0 M M M
5/23/2012 7:00 AM 0.21 M M M M
5/24/2012 7:00 AM 0.31 M M M M There were snow pellets in my rain guage, but no accumulation on any ground surfaces
5/25/2012 7:00 AM 0.33 M M M M Three day storm total .85" rain
5/26/2012 7:00 AM 0.13 M M M M 4 day storm total.98"
5/27/2012 7:00 AM 0.23 M M M M Total 5 day storm accumulation 1.21" rain. About 7:00p recieved about 2 minutes of BB sized hail
5/28/2012 7:00 AM 0.01 M M M M
5/29/2012 7:00 AM T M M M M
5/30/2012 7:00 AM T M M M M
5/31/2012 7:00 AM T M M M M small shower during the night
6/1/2012 7:00 AM 0.00 0.0 M M M
6/2/2012 7:00 AM 0.00 0.0 M M M
6/3/2012 7:00 AM T M M M M
6/6/2012 7:00 AM 0.10 M M M M
6/9/2012 7:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.08 M M M M
6/11/2012 7:00 AM 0.00 0.0 M M M
6/12/2012 7:00 AM 0.00 0.0 M M M
6/13/2012 7:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M
6/15/2012 7:00 AM 0.00 0.0 M M M
6/16/2012 7:00 AM 0.22 M M M M Storm started with high winds.Snapped a 20' flag pole that was rated to 75mph off at ground level.
6/17/2012 7:00 AM 0.00 0.0 M M M
6/18/2012 7:00 AM 0.00 0.0 M M M
6/19/2012 7:00 AM 0.00 0.0 M M M
6/20/2012 7:00 AM 0.06 M M M M
6/21/2012 7:00 AM T M M M M
6/24/2012 7:00 AM 0.00 0.0 M M M
7/5/2012 7:00 AM 0.00 0.0 M M M
7/6/2012 7:00 AM 0.12 M M M M
7/7/2012 7:00 AM 0.00 0.0 M M M
7/8/2012 7:00 AM 0.00 0.0 M M M
7/10/2012 3:00 PM 0.02 M M M M was out of town from noon on 7/9/12 til 3:00pm on 7/10/12. .02 in gauge at observation time. I suspect there was more rain fall, however due to hot sunny conditions there was at least some evaporation.
7/11/2012 7:00 AM T M M M M
7/12/2012 7:00 AM 0.04 M M M M
7/15/2012 7:00 AM 0.13 M M M M
7/16/2012 7:00 AM T M M M M
7/17/2012 7:00 AM T M M M M
7/19/2012 7:00 AM 0.00 0.0 M M M My private well flow is now down to less than 1 gallon per minute.
7/20/2012 7:00 AM 0.00 0.0 M M M
7/21/2012 7:00 AM T M M M M
7/22/2012 7:00 AM T M M M M I am getting real tired of the rain missing my location. It rains all around within 1/4 mile, all I get is a very few drops
7/23/2012 7:00 AM T M M M M 4 straight days of only a trace of rain while close by gets drenched is killing my garden
7/24/2012 7:00 AM T M M M M
7/25/2012 7:00 AM 0.17 M M M M
7/26/2012 4:00 PM 0.03 M M M M
7/28/2012 7:00 AM 0.00 0.0 M M M
7/29/2012 7:00 AM 0.07 M M M M a little rain is better than none
7/30/2012 7:00 AM 0.00 0.0 M M M
7/31/2012 7:00 AM 0.00 0.0 M M M
8/1/2012 7:00 AM 0.00 0.0 M M M
8/2/2012 7:00 AM 0.00 0.0 M M M
8/6/2012 7:00 AM 0.00 0.0 M M M
8/7/2012 7:00 AM T M M M M
8/9/2012 7:00 AM 0.00 0.0 M M M
8/10/2012 7:00 AM 0.00 0.0 M M M
8/11/2012 7:00 AM T M M M M
8/12/2012 7:00 AM 0.01 M M M M
8/13/2012 7:00 AM 0.00 0.0 M M M
8/14/2012 7:00 AM 0.00 0.0 M M M
8/15/2012 7:00 AM 0.00 0.0 M M M
8/16/2012 7:00 AM 0.00 0.0 M M M
8/17/2012 7:00 AM 0.00 0.0 M M M
8/18/2012 7:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM 0.00 0.0 M M M
8/24/2012 7:00 AM 0.00 0.0 M M M
8/26/2012 7:00 AM 0.00 0.0 M M M
8/28/2012 7:00 AM T M M M M
8/31/2012 7:00 AM 0.04 M M M M Not enough to even do any good
9/1/2012 7:00 AM 0.00 0.0 M M M
9/2/2012 7:00 AM 0.00 0.0 M M M
9/3/2012 7:00 AM 0.00 0.0 M M M
9/4/2012 7:00 AM 0.00 0.0 M M M
9/6/2012 7:00 AM 0.00 0.0 M M M
9/18/2012 7:00 AM 0.04 M M M M
9/19/2012 7:00 AM 0.00 0.0 M M M
9/21/2012 7:00 AM 0.00 0.0 M M M
9/22/2012 7:00 AM 0.00 0.0 M M M
9/23/2012 7:00 AM 0.00 0.0 M M M
9/24/2012 7:00 AM 0.00 0.0 M M M
9/25/2012 7:00 AM T M M M M a trace if you could call it that
9/26/2012 7:00 AM 0.00 0.0 M M M
9/27/2012 7:00 AM 0.14 M M M M
9/29/2012 7:00 AM 0.03 M M M M
9/30/2012 7:00 AM 0.02 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/7/2012 6/08/2012 12:00 AM 2 0.00 0.0 0.00
9/10/2012 9/14/2012 7:00 AM 5 0.13 M M



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
5/26/2012 6:45 PM BB sized hail lasted about 30-45 secounds, no damage. Not sure of time of storm but sure of hail length. NA Rice NA Hard 1 1min no damage Continuous False Same time as rain 1.5
9/26/2012 2:43 PM 1/4" Pea Size 1/4" Pea Size Rice Mixed|White Ice 4 1min no damage Continuous True After rain Same time as smaller hail vertical 1