Station Overview Station Location
Station Number WY-LM-170 Latitude 41.218391
Station Name Cheyenne 11.9 WNW Longitude -105.00016
County Laramie Elevation (ft) 6663



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 1.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 14 0.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 14 0.49 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 15 0.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 15 0.54 0.41 25 0.41 6 0.00 19 3 5 1 8.2 4 4
March 15 1.12 0.20 31 0.16 15 0.04 16 4 4 1 2.1 3 2
April 15 1.62 1.95 30 1.24 13 0.71 17 5 5 3 8.3 2 2
May 15 2.46 4.82 30 4.16 21 0.66 9 3 16 4 2.0 1 1
June 15 2.47 1.84 29 1.19 9 0.65 20 1 8 1 0.0 0 0
July 15 1.90 3.08 31 2.17 16 0.91 15 3 9 2 0.0 0 0
Aug 15 1.91 0.84 31 0.75 13 0.09 18 3 4 2 0.0 0 0
Sept 15 1.73 0.64 32 0.64 9 0.00 23 4 3 1 0.0 0 0
Water Year Totals: 16.23" 13.78" 239 days 10.72" 102 3.06" 137 days 26 54 days 15 days 20.6" 10 days 9 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
10/2/2014
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
10/13/2014
10/14/2014
10/15/2014
10/16/2014
10/17/2014
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014
10/23/2014
10/24/2014
10/25/2014
10/26/2014
10/27/2014
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
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
12/27/2014
12/28/2014
12/29/2014
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 0.17
2/5/2015 **
2/6/2015 **
2/7/2015 0.00
2/8/2015 **
2/9/2015 **
2/10/2015 **
2/11/2015 **
2/12/2015 **
2/13/2015 **
2/14/2015 **
2/15/2015 0.00
2/16/2015 0.04
2/17/2015 0.02
2/18/2015 **
2/19/2015 **
2/20/2015 **
2/21/2015 **
2/22/2015 **
2/23/2015 **
2/24/2015 **
2/25/2015 M
2/26/2015 0.13
2/27/2015 0.05
2/28/2015 T
3/1/2015 0.03
3/2/2015 0.00
3/3/2015 0.04
3/4/2015 0.08
3/5/2015 **
3/6/2015 **
3/7/2015 **
3/8/2015 **
3/9/2015 **
3/10/2015 **
3/11/2015 0.00
3/12/2015 0.00
3/13/2015 0.00
3/14/2015 0.00
3/15/2015 **
3/16/2015 0.00
3/17/2015 0.01
3/18/2015 **
3/19/2015 0.02
3/20/2015 0.00
3/21/2015 0.00
3/22/2015 0.00
3/23/2015 0.00
3/24/2015 T
3/25/2015 **
3/26/2015 **
3/27/2015 **
3/28/2015 0.02
3/29/2015 0.00
3/30/2015 0.00
3/31/2015 **
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.00
4/2/2015 0.00
4/3/2015 0.13
4/4/2015
4/5/2015 0.00
4/6/2015 0.00
4/7/2015 0.00
4/8/2015 T
4/9/2015 **
4/10/2015 **
4/11/2015 **
4/12/2015 **
4/13/2015 **
4/14/2015 **
4/15/2015 0.00
4/16/2015 0.11
4/17/2015 0.48
4/18/2015 **
4/19/2015 **
4/20/2015 **
4/21/2015 0.49
4/22/2015 0.00
4/23/2015 **
4/24/2015 0.00
4/25/2015 T
4/26/2015 0.25
4/27/2015 0.27
4/28/2015 T
4/29/2015 **
4/30/2015 **
5/1/2015 **
5/2/2015 **
5/3/2015 0.10
5/4/2015 0.25
5/5/2015 0.02
5/6/2015 0.11
5/7/2015 0.29
5/8/2015 0.20
5/9/2015 1.12
5/10/2015 0.85
5/11/2015 0.03
5/12/2015 **
5/13/2015 0.00
5/14/2015 0.04
5/15/2015 T
5/16/2015 0.31
5/17/2015 **
5/18/2015 **
5/19/2015 **
5/20/2015 0.56
5/21/2015 0.05
5/22/2015 0.05
5/23/2015 0.39
5/24/2015 0.03
5/25/2015 0.27
5/26/2015
5/27/2015 0.15
5/28/2015 T
5/29/2015 T
5/30/2015 T
5/31/2015 0.00
6/1/2015 0.25
6/2/2015 0.05
6/3/2015
6/4/2015 0.06
6/5/2015 0.19
6/6/2015 0.15
6/7/2015 0.41
6/8/2015 T
6/9/2015 **
6/10/2015 **
6/11/2015 **
6/12/2015 **
6/13/2015 **
6/14/2015 **
6/15/2015 **
6/16/2015 **
6/17/2015 **
6/18/2015 **
6/19/2015 **
6/20/2015 **
6/21/2015 **
6/22/2015 **
6/23/2015 **
6/24/2015 **
6/25/2015 **
6/26/2015 **
6/27/2015 **
6/28/2015 0.65
6/29/2015 0.03
6/30/2015 0.05
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.44
7/2/2015 0.38
7/3/2015 0.02
7/4/2015 **
7/5/2015 **
7/6/2015 0.44
7/7/2015 0.11
7/8/2015 0.09
7/9/2015 0.40
7/10/2015 0.64
7/11/2015 0.00
7/12/2015 0.03
7/13/2015 0.00
7/14/2015 0.06
7/15/2015 **
7/16/2015 **
7/17/2015 0.12
7/18/2015 0.00 **
7/19/2015 **
7/20/2015 **
7/21/2015 **
7/22/2015 **
7/23/2015 **
7/24/2015 **
7/25/2015 **
7/26/2015 0.35
7/27/2015 0.00
7/28/2015 T
7/29/2015 T
7/30/2015 0.00
7/31/2015
8/1/2015 0.05
8/2/2015 **
8/3/2015 **
8/4/2015 **
8/5/2015 **
8/6/2015 **
8/7/2015 **
8/8/2015 **
8/9/2015 0.09
8/10/2015 T
8/11/2015 **
8/12/2015 **
8/13/2015 **
8/14/2015 **
8/15/2015 0.00
8/16/2015 0.00
8/17/2015 0.16
8/18/2015
8/19/2015 0.24
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.00
8/24/2015 0.00
8/25/2015 0.00
8/26/2015 0.30
8/27/2015 **
8/28/2015 **
8/29/2015 **
8/30/2015 0.00
8/31/2015 T **
9/1/2015 0.07 **
9/2/2015 0.00 **
9/3/2015 **
9/4/2015 0.00
9/5/2015 0.00
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 **
9/15/2015 **
9/16/2015 **
9/17/2015 0.00
9/18/2015 0.41
9/19/2015 **
9/20/2015 **
9/21/2015 **
9/22/2015 0.00
9/23/2015 T
9/24/2015 0.00
9/25/2015 0.00
9/26/2015 0.00
9/27/2015 **
9/28/2015 **
9/29/2015 T
9/30/2015 0.16



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/4/2015 7:00 AM 0.17 5.0 0.17 5.0 0.17 Snow
2/16/2015 7:00 AM 0.04 0.2 M 0.5 M Intermittent snow showers over the previous 24 hours.
2/17/2015 7:00 AM 0.02 M M M M Intermittent snow showers. Increasing wind
2/26/2015 7:00 AM 0.13 1.5 0.13 2.0 M Snow showers the previous 24 hours. Strong winds.
2/27/2015 7:00 AM 0.05 1.5 M 2.0 M Temperature over the past 24 hours between zero and ten above. Snow depth is approximate.
2/28/2015 7:00 AM T M M M M
3/1/2015 7:00 AM 0.03 0.5 M M M Snow depth inconsistent
3/2/2015 7:00 AM 0.00 0.0 M M M
3/3/2015 7:00 AM 0.04 0.5 M 1.0 M Snow depth not consistent. Varied between 0.2 and 1.0
3/4/2015 7:00 AM 0.08 1.1 M 3.0 M
3/12/2015 7:00 AM 0.00 0.0 M 0.0 M
3/13/2015 7:00 AM 0.00 0.0 0.00 0.0 M
3/14/2015 7:00 AM 0.00 0.0 0.00 0.0 0.00 Light frost
3/17/2015 7:00 AM 0.01 0.0 0.00 M M Heavy fog, light drizzle
3/20/2015 7:00 AM 0.00 0.0 M M M
3/21/2015 7:00 AM 0.00 0.0 M M M
3/22/2015 7:00 AM 0.00 0.0 M M M
3/23/2015 7:00 AM 0.00 0.0 M M M
3/24/2015 7:00 AM T M M M M
3/29/2015 7:00 AM 0.00 0.0 M M M
3/30/2015 7:00 AM 0.00 0.0 M M M
4/2/2015 7:00 AM 0.00 0.0 M M M
4/3/2015 7:00 AM 0.13 M M M M
4/5/2015 7:00 AM 0.00 0.0 M M M
4/6/2015 7:00 AM 0.00 0.0 M M M
4/7/2015 7:00 AM 0.00 0.0 M M M
4/8/2015 7:00 AM T M M M M Moisture was from fog condensation. Heavy fog, visibility at the location was less than 600 feet.
4/16/2015 7:00 AM 0.11 M M 0.5 M
4/17/2015 6:00 AM 0.48 6.5 M M M Strong wind may have kept some of the precip from entering the rain gauge
4/22/2015 7:00 AM 0.00 0.0 M M M
4/25/2015 7:00 AM T M M M M
4/26/2015 7:00 AM 0.25 M M M M Fog, drizzle
4/27/2015 7:00 AM 0.27 1.8 M 1.8 M Light mist and fog
4/28/2015 7:00 AM T M M 0.0 M Heavy Fog, 1/8th mile visibility
5/4/2015 7:00 AM 0.25 M M M M Thunderstorm afternoon of May 3rd. Lightning was mostly cloud to cloud
5/5/2015 7:00 AM 0.02 M M M M Overnight and morning fog and mist, 1/8 mi visibility.
5/6/2015 7:00 AM 0.11 M M M M
5/7/2015 7:00 AM 0.29 M M M M
5/8/2015 7:00 AM 0.20 M M M M
5/9/2015 7:00 AM 1.12 M M M M
5/10/2015 7:00 AM 0.85 2.0 0.24 M M Snow depth was highly variable.
5/11/2015 7:00 AM 0.03 0.0 M 0.5 M
5/14/2015 7:00 AM 0.04 0.0 M M M
5/15/2015 7:00 AM T 0.0 M M M
5/16/2015 7:00 AM 0.31 0.0 M M M
5/21/2015 7:00 AM 0.05 0.0 M 0.0 M Dense Fog, 1/8 mile visibility
5/22/2015 7:30 AM 0.05 0.0 M 0.0 M
5/23/2015 7:00 AM 0.39 0.0 M 0.0 M
5/24/2015 7:00 AM 0.03 0.0 M 0.0 M
5/25/2015 7:00 AM 0.27 0.0 M 0.0 M
5/27/2015 7:00 AM 0.15 0.0 M 0.0 M
5/28/2015 7:00 AM T 0.0 M 0.0 M
5/29/2015 7:00 AM T 0.0 M 0.0 M
5/30/2015 7:00 AM T 0.0 M 0.0 M
5/31/2015 7:00 AM 0.00 0.0 M 0.0 M
6/1/2015 7:00 AM 0.25 0.0 M 0.0 M
6/2/2015 7:00 AM 0.05 M M M M
6/4/2015 7:00 AM 0.06 0.0 M 0.0 M
6/5/2015 7:00 AM 0.19 0.0 M 0.0 M Intermittent pea size hail after 6:00 PM
6/6/2015 7:00 AM 0.15 M M M M
6/7/2015 7:00 AM 0.41 M M M M
6/8/2015 7:00 AM T M M M M
6/29/2015 7:00 AM 0.03 M M M M
6/30/2015 7:00 AM 0.05 M M M M
7/1/2015 7:00 AM 0.44 M M M M
7/2/2015 7:00 AM 0.38 M M M M Dense fog overnight, including Strong northerly wind approx 3:30. Fog dissipated by 7:00
7/3/2015 7:00 AM 0.02 M M M M
7/7/2015 7:00 AM 0.11 M M M M Heavy fog and drizzle all night
7/8/2015 7:00 AM 0.09 M M M M Fog
7/9/2015 7:00 AM 0.40 0.0 M M M
7/10/2015 7:00 AM 0.64 M M M M Initial rainfall began 1:30 PM. Heavier rainfall 1:45 PM for 7 minutes, rain ended 2:05, then resumed again at 2:45
7/11/2015 7:00 AM 0.00 0.0 M M M
7/12/2015 7:00 AM 0.03 M M M M
7/13/2015 7:00 AM 0.00 0.0 M M M
7/14/2015 7:00 AM 0.06 M M M M
7/18/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 7:00 AM 0.00 0.0 M M M
7/28/2015 7:00 AM T M M M M
7/29/2015 7:00 AM T M M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
8/1/2015 7:00 AM 0.05 M M M M
8/10/2015 7:00 AM T M M M M
8/16/2015 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
8/17/2015 7:00 AM 0.16 M M M M Sent via CoCoRaHS Observer for iOS
8/19/2015 7:00 AM 0.24 M M M M
8/20/2015 7:00 AM 0.00 0.0 M M M
8/21/2015 7:00 AM 0.00 0.0 M M M
8/22/2015 7:00 AM 0.00 0.0 M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
8/24/2015 7:00 AM 0.00 0.0 M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/26/2015 7:00 AM 0.30 M M M M
8/31/2015 7:00 AM T M M M M
9/1/2015 7:00 AM 0.07 M M M M
9/2/2015 7:00 AM 0.00 0.0 M M M
9/5/2015 7:00 AM 0.00 0.0 M M M
9/18/2015 7:00 AM 0.41 M M M M Showers between 9:00-10:00 PM, then again 2:30-3:00AM approx times
9/23/2015 7:00 AM T M M M M
9/24/2015 7:00 AM 0.00 0.0 M M M
9/25/2015 7:00 AM 0.00 0.0 M M M
9/26/2015 7:00 AM 0.00 0.0 M M M
9/30/2015 7:00 AM 0.16 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/5/2015 2/07/2015 5:00 PM 3 0.00 0.0 0.00 No precip
2/8/2015 2/15/2015 7:00 AM 8 0.00 0.0 0.00 No Precipitation over the past eight days. Precip that began after 7:00 AM readubg on 2/15/2015 will be reported in a separate form.
2/18/2015 2/25/2015 7:00 AM 8 M 4.0 M No one present to take daily readings. Snowfall on Feb 21-22.
3/5/2015 3/11/2015 7:00 AM 7 0.00 0.0 M
3/15/2015 3/16/2015 7:00 AM 2 0.00 0.0 0.00
3/18/2015 3/19/2015 7:00 AM 2 0.02 M M precipitation was primarily due to freezing fog on the 18th. Barely a trace on the 19th.
3/25/2015 3/28/2015 7:00 AM 4 0.02 M M
3/31/2015 4/01/2015 7:00 AM 2 0.00 M M
4/9/2015 4/11/2015 7:00 AM 3 0.22 M M Precip occurred on Apr 9,10.
4/11/2015 4/15/2015 7:00 AM 5 0.00 M M
4/18/2015 4/21/2015 7:00 AM 4 0.49 M M
4/23/2015 4/24/2015 7:00 AM 2 0.00 M M
4/29/2015 5/03/2015 7:00 AM 5 0.10 M M
5/12/2015 5/13/2015 7:00 AM 2 0.00 0.0 M
5/17/2015 5/20/2015 7:00 AM 4 0.56 1.0 M
6/9/2015 6/28/2015 12:00 AM 20 0.65 M M
7/4/2015 7/06/2015 7:00 AM 3 0.44 M M
7/15/2015 7/17/2015 7:00 AM 3 0.12 M M Rain accumulation 7/15 only
7/18/2015 7/26/2015 12:00 AM 9 0.35 M M
8/2/2015 8/09/2015 7:00 AM 8 0.09 M M
8/11/2015 8/15/2015 7:00 AM 5 0.00 M M
8/27/2015 8/30/2015 7:00 AM 4 0.00 M M
8/31/2015 9/04/2015 12:00 AM 5 0.00 M M
9/6/2015 9/17/2015 7:00 AM 12 0.00 M M
9/19/2015 9/22/2015 7:00 AM 4 0.00 M M
9/27/2015 9/29/2015 7:00 AM 3 T 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