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 14 1.50 0.88 10 0.88 10 0.00 0 0 4 0 0.0 0 0
Nov 14 0.92 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 14 0.92 1.00 3 1.00 3 0.00 0 0 2 0 16.9 2 1
Jan 15 0.59 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 15 1.08 0.00 3 0.00 3 0.00 0 0 0 0 0.0 0 0
March 15 1.18 1.22 5 1.22 5 0.00 0 0 3 0 12.3 1 1
April 15 1.74 2.52 15 1.98 12 0.54 3 1 7 1 3.5 2 1
May 15 2.66 6.24 25 6.24 25 0.00 0 0 24 1 15.6 3 1
June 15 1.85 1.71 18 1.71 18 0.00 0 0 10 1 0.0 0 0
July 15 1.29 0.80 10 0.80 10 0.00 0 0 10 0 0.0 0 0
Aug 15 1.22 0.11 3 0.11 3 0.00 0 0 1 0 0.0 0 0
Sept 15 1.17 0.14 8 0.14 8 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 16.12" 14.62" 100 days 14.08" 97 0.54" 3 days 1 63 days 3 days 48.3" 8 days 4 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
10/1/2014 0.04
10/2/2014 0.26
10/3/2014
10/4/2014
10/5/2014
10/6/2014
10/7/2014
10/8/2014
10/9/2014
10/10/2014
10/11/2014
10/12/2014 0.16
10/13/2014 0.42
10/14/2014 0.00
10/15/2014 0.00
10/16/2014 0.00
10/17/2014 0.00
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014 0.00
10/23/2014
10/24/2014
10/25/2014
10/26/2014
10/27/2014 0.00
10/28/2014
10/29/2014
10/30/2014
10/31/2014
11/1/2014
11/2/2014
11/3/2014
11/4/2014
11/5/2014
11/6/2014
11/7/2014
11/8/2014
11/9/2014
11/10/2014
11/11/2014
11/12/2014
11/13/2014
11/14/2014
11/15/2014
11/16/2014
11/17/2014
11/18/2014
11/19/2014
11/20/2014
11/21/2014
11/22/2014
11/23/2014
11/24/2014
11/25/2014
11/26/2014
11/27/2014
11/28/2014
11/29/2014
11/30/2014
12/1/2014
12/2/2014
12/3/2014
12/4/2014
12/5/2014
12/6/2014
12/7/2014
12/8/2014
12/9/2014
12/10/2014
12/11/2014
12/12/2014 0.00
12/13/2014
12/14/2014
12/15/2014
12/16/2014
12/17/2014
12/18/2014
12/19/2014
12/20/2014
12/21/2014
12/22/2014
12/23/2014
12/24/2014
12/25/2014
12/26/2014 0.61
12/27/2014
12/28/2014
12/29/2014 0.39
12/30/2014
12/31/2014
Day of YearDaily PrcpMultiday Prcp
1/1/2015
1/2/2015
1/3/2015
1/4/2015
1/5/2015
1/6/2015
1/7/2015
1/8/2015
1/9/2015
1/10/2015
1/11/2015
1/12/2015
1/13/2015
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015
1/19/2015
1/20/2015
1/21/2015
1/22/2015
1/23/2015
1/24/2015
1/25/2015
1/26/2015
1/27/2015
1/28/2015
1/29/2015
1/30/2015
1/31/2015
2/1/2015
2/2/2015
2/3/2015
2/4/2015
2/5/2015 0.00
2/6/2015
2/7/2015
2/8/2015
2/9/2015
2/10/2015
2/11/2015
2/12/2015 0.00
2/13/2015
2/14/2015
2/15/2015
2/16/2015
2/17/2015
2/18/2015
2/19/2015
2/20/2015 0.00
2/21/2015
2/22/2015
2/23/2015
2/24/2015
2/25/2015
2/26/2015
2/27/2015
2/28/2015
3/1/2015
3/2/2015
3/3/2015 1.16
3/4/2015
3/5/2015
3/6/2015
3/7/2015 0.00
3/8/2015
3/9/2015
3/10/2015 0.00
3/11/2015
3/12/2015
3/13/2015
3/14/2015
3/15/2015
3/16/2015
3/17/2015
3/18/2015
3/19/2015 0.03
3/20/2015
3/21/2015
3/22/2015
3/23/2015
3/24/2015 0.03
3/25/2015
3/26/2015
3/27/2015
3/28/2015
3/29/2015
3/30/2015
3/31/2015
Day of YearDaily PrcpMultiday Prcp
4/1/2015
4/2/2015
4/3/2015
4/4/2015
4/5/2015
4/6/2015
4/7/2015 0.00
4/8/2015
4/9/2015 0.24
4/10/2015
4/11/2015
4/12/2015 T
4/13/2015 0.21
4/14/2015 0.00
4/15/2015 **
4/16/2015 **
4/17/2015 0.00 0.54
4/18/2015 0.56
4/19/2015 0.29
4/20/2015
4/21/2015
4/22/2015
4/23/2015 0.00
4/24/2015 0.09
4/25/2015
4/26/2015 0.36
4/27/2015 0.23
4/28/2015
4/29/2015
4/30/2015
5/1/2015
5/2/2015
5/3/2015
5/4/2015 0.09
5/5/2015 0.10
5/6/2015 0.01
5/7/2015 0.47
5/8/2015 0.03
5/9/2015 0.67
5/10/2015 0.89
5/11/2015 0.25
5/12/2015
5/13/2015 0.01
5/14/2015
5/15/2015
5/16/2015 0.46
5/17/2015 T
5/18/2015 0.25
5/19/2015 0.02
5/20/2015 0.28
5/21/2015 0.02
5/22/2015 0.01
5/23/2015 0.34
5/24/2015 0.95
5/25/2015 0.53
5/26/2015 0.05
5/27/2015 0.09
5/28/2015 0.01
5/29/2015 0.55
5/30/2015 0.15
5/31/2015 0.01
6/1/2015
6/2/2015
6/3/2015 0.01
6/4/2015 0.46
6/5/2015 0.01
6/6/2015 0.02
6/7/2015
6/8/2015
6/9/2015 T
6/10/2015 0.03
6/11/2015 0.38
6/12/2015 0.20
6/13/2015 0.00
6/14/2015 0.00
6/15/2015 0.14
6/16/2015 0.08
6/17/2015 0.38
6/18/2015 0.00
6/19/2015 0.00
6/20/2015 0.00
6/21/2015 0.00
6/22/2015
6/23/2015
6/24/2015
6/25/2015 0.00
6/26/2015
6/27/2015
6/28/2015
6/29/2015
6/30/2015
Day of YearDaily PrcpMultiday Prcp
7/1/2015
7/2/2015 0.24
7/3/2015
7/4/2015 0.03
7/5/2015
7/6/2015 0.26
7/7/2015 0.02
7/8/2015 0.05
7/9/2015 0.03
7/10/2015
7/11/2015
7/12/2015
7/13/2015
7/14/2015
7/15/2015
7/16/2015 0.06
7/17/2015
7/18/2015
7/19/2015
7/20/2015
7/21/2015 0.06
7/22/2015 0.02
7/23/2015 0.03
7/24/2015
7/25/2015
7/26/2015
7/27/2015
7/28/2015
7/29/2015
7/30/2015
7/31/2015
8/1/2015
8/2/2015
8/3/2015
8/4/2015
8/5/2015
8/6/2015
8/7/2015
8/8/2015
8/9/2015
8/10/2015
8/11/2015
8/12/2015
8/13/2015
8/14/2015
8/15/2015
8/16/2015
8/17/2015
8/18/2015
8/19/2015
8/20/2015
8/21/2015
8/22/2015
8/23/2015
8/24/2015
8/25/2015
8/26/2015
8/27/2015
8/28/2015 0.11
8/29/2015 0.00
8/30/2015 0.00
8/31/2015
9/1/2015
9/2/2015
9/3/2015
9/4/2015
9/5/2015
9/6/2015
9/7/2015
9/8/2015
9/9/2015
9/10/2015
9/11/2015
9/12/2015
9/13/2015
9/14/2015 0.00
9/15/2015 0.00
9/16/2015
9/17/2015
9/18/2015
9/19/2015
9/20/2015 0.00
9/21/2015
9/22/2015
9/23/2015
9/24/2015
9/25/2015
9/26/2015 0.00
9/27/2015 0.00
9/28/2015 0.00
9/29/2015 0.13
9/30/2015 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM 0.04 M M M M Still raining as I log this in at 8:50 some puddling. Temp 43f
10/2/2014 7:00 AM 0.26 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/12/2014 7:00 AM 0.16 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/13/2014 7:00 AM 0.42 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/14/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/15/2014 7:00 AM 0.00 M M M M WIND, WIND, WIND
10/16/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/17/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/22/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
10/27/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.6
12/12/2014 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
12/26/2014 7:00 AM 0.61 10.0 0.61 12.5 0.86 This is the snow total and total precip. My numbers are best estimates due to wind The first snow first started it was heavy wet snow, and it melted as it hit. My best estimate for my location at the base of Casper Mountain is 13"+. I hope this helps. NWS Riverton Wyoming. Email me if any Questions.
12/29/2014 7:00 AM 0.39 6.9 0.39 M M Due to severe drifting do not have accurate total snow depth. Have several 4'+ drifts. Garage is drifted shut as well
2/5/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
2/12/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
2/20/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
3/3/2015 7:00 AM 1.16 12.3 1.16 12.5 1.16 Started as rain turned to snow. Most of the snow was very heavy, and wet.
3/7/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
3/10/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
3/19/2015 7:00 AM 0.03 M M M M
3/24/2015 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.9
4/7/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/9/2015 7:00 AM 0.24 2.1 0.21 2.0 0.24
4/12/2015 7:00 AM T M M M M
4/13/2015 7:00 AM 0.21 1.4 0.21 M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/14/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/17/2015 7:00 AM 0.00 0.0 M M M Please see multi day report.
4/18/2015 7:00 AM 0.56 M M M M There were a few snow flakes mixed in at times but none accumulated. 1.09" rain, and snow water equivalent total for the storm so far.
4/19/2015 7:00 AM 0.29 M M M M Storm total 1.38" It was needed greatly
4/23/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/24/2015 7:00 AM 0.09 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
4/26/2015 10:00 AM 0.36 M M M M
4/27/2015 7:00 AM 0.23 M M M M Some snow that did NOT accumulate.
5/4/2015 7:00 AM 0.09 M M M M
5/5/2015 7:00 AM 0.10 M M M M
5/6/2015 7:00 AM 0.01 M M M M
5/7/2015 7:00 AM 0.47 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/8/2015 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/9/2015 7:00 AM 0.67 M M M M Snow just starting to stick.
5/10/2015 7:00 AM 0.89 11.1 0.89 11.0 0.89 Here at the base of Casper Mountain we have gotten much more than The Casper Airport has about 10 miles away as the crow flies on the flats. Storm total at my location 1.66"
5/11/2015 7:00 AM 0.25 3.1 0.25 M M
5/13/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/16/2015 7:00 AM 0.46 M M M M
5/17/2015 7:00 AM T M M M M
5/18/2015 7:00 AM 0.25 M M M M The ground is starting to get Saturated in places around Casper
5/19/2015 7:00 AM 0.02 M M M M
5/20/2015 7:00 AM 0.28 1.4 0.28 M M
5/21/2015 7:00 AM 0.02 M M M M
5/22/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/23/2015 7:00 AM 0.34 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/24/2015 7:00 AM 0.95 M M M M ground is getting saturated.
5/25/2015 7:00 AM 0.53 M M M M Ground is saturated in many places
5/26/2015 7:00 AM 0.05 M M M M 5.45" of precipitation for the month of May at my location
5/27/2015 7:00 AM 0.09 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/28/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/29/2015 10:00 AM 0.55 M M M M Ground is getting saturated again
5/30/2015 7:00 AM 0.15 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
5/31/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/3/2015 7:00 AM 0.01 M M M M
6/4/2015 7:00 AM 0.46 M M M M
6/5/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/6/2015 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/9/2015 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/10/2015 7:00 AM 0.03 M M M M
6/11/2015 7:00 AM 0.38 M M M M The ground is getting saturated in places again.
6/12/2015 7:00 AM 0.20 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/13/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/14/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/15/2015 7:00 AM 0.14 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/16/2015 7:00 AM 0.08 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/17/2015 7:00 AM 0.38 M M M M Rice grain to pea sizes hail.
6/18/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/19/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/20/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/21/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
6/25/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/2/2015 7:00 AM 0.24 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/4/2015 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/6/2015 7:00 AM 0.26 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/7/2015 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/8/2015 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/9/2015 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/16/2015 7:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/21/2015 7:00 AM 0.06 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/22/2015 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
7/23/2015 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/28/2015 7:00 AM 0.11 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/29/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
8/30/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.10
9/14/2015 7:00 AM 0.00 M M M M Very smoky
9/15/2015 7:00 AM 0.00 M M M M Very Windy, smoke is gone
9/20/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/26/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/27/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/28/2015 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/29/2015 7:00 AM 0.13 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
9/30/2015 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/15/2015 4/17/2015 7:00 AM 3 0.54 M M Was not able to measure yesterday. Snow total was approx. 5" Wind during snow made accurate readings tough to get



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
6/17/2015 4:26 PM 3/8" Rice Rice Hard|White Ice 5 1min no damage Intermittent False Same time as smaller hail