Station Overview Station Location
Station Number WY-LM-181 Latitude 41.20366
Station Name Cheyenne 5.4 NE Longitude -104.72197
County Laramie Elevation (ft) 6025



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 17 0.89 1.06 31 1.06 31 0.00 0 0 6 7 7.7 4 1
Nov 17 0.55 0.32 30 0.32 30 0.00 0 0 4 2 4.7 2 3
Dec 17 0.44 0.49 31 0.49 31 0.00 0 0 9 7 8.7 8 11
Jan 18 0.26 0.27 31 0.09 29 0.18 2 1 3 4 0.4 2 3
Feb 18 0.42 0.17 17 0.17 17 0.00 0 0 5 5 2.2 5 3
March 18 1.05 1.11 20 1.11 20 0.00 0 0 4 4 5.2 3 3
April 18 1.40 0.86 16 0.86 16 0.00 0 0 5 0 4.6 4 2
May 18 2.45 4.38 31 2.64 18 1.74 13 1 9 3 0.0 0 0
June 18 2.86 2.20 30 2.20 30 0.00 0 0 9 4 0.0 0 0
July 18 2.03 3.74 31 3.74 31 0.00 0 0 13 2 0.0 0 0
Aug 18 2.06 1.40 31 0.54 22 0.86 9 1 8 2 0.0 0 0
Sept 18 1.52 0.13 29 0.13 29 0.00 0 0 4 9 0.0 0 0
Water Year Totals: 15.93" 16.13" 328 days 13.35" 304 2.78" 24 days 3 79 days 49 days 33.5" 28 days 26 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
10/1/2017 T
10/2/2017 0.11
10/3/2017 0.48
10/4/2017 0.00
10/5/2017 T
10/6/2017 T
10/7/2017 0.00
10/8/2017 0.00
10/9/2017 0.40
10/10/2017 0.05
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.00
10/16/2017 0.00
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 T
10/24/2017 T
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 T
10/28/2017 0.00
10/29/2017 T
10/30/2017 0.01
10/31/2017 0.01
11/1/2017 0.00
11/2/2017 T
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.01
11/6/2017 0.05
11/7/2017 0.20
11/8/2017 0.00
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.00
11/15/2017 0.00
11/16/2017 0.00
11/17/2017 0.00
11/18/2017 0.06
11/19/2017 0.00
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.00
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 T
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.00
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 T
12/5/2017 T
12/6/2017 0.00
12/7/2017 0.01
12/8/2017 T
12/9/2017 0.00
12/10/2017 0.00
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.01
12/15/2017 0.05
12/16/2017 0.00
12/17/2017 0.01
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.01
12/22/2017 0.10
12/23/2017 0.03
12/24/2017 0.14
12/25/2017 T
12/26/2017 0.13
12/27/2017 T
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 T
12/31/2017 T
Day of YearDaily PrcpMultiday Prcp
1/1/2018 T
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 0.00
1/5/2018 0.00
1/6/2018 0.00
1/7/2018 T
1/8/2018 0.00
1/9/2018 0.00
1/10/2018 0.00
1/11/2018 0.07
1/12/2018 0.00
1/13/2018 T
1/14/2018 0.01
1/15/2018 0.01
1/16/2018 0.00
1/17/2018 0.00
1/18/2018 0.00
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 **
1/22/2018 0.18
1/23/2018 0.00
1/24/2018 0.00
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.00
1/29/2018 T
1/30/2018 0.00
1/31/2018 0.00
2/1/2018 0.12
2/2/2018 T
2/3/2018 0.00
2/4/2018 T
2/5/2018 T
2/6/2018 0.01
2/7/2018 0.01
2/8/2018 0.00
2/9/2018 0.00
2/10/2018 0.02
2/11/2018 0.00
2/12/2018 T
2/13/2018 0.01
2/14/2018 0.00
2/15/2018 0.00
2/16/2018 T
2/17/2018 0.00
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018 0.00
3/13/2018 T
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.89
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.08
3/20/2018 T
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.00
3/24/2018 T
3/25/2018 0.00
3/26/2018 0.08
3/27/2018 0.00
3/28/2018 0.00
3/29/2018 0.06
3/30/2018 T
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.16
4/2/2018 0.01
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018 0.00
4/17/2018 0.00
4/18/2018 0.00
4/19/2018 0.00
4/20/2018
4/21/2018 0.25
4/22/2018 0.07
4/23/2018 0.00
4/24/2018 0.37
4/25/2018 0.00
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.03
5/2/2018 0.12
5/3/2018 1.72
5/4/2018 0.31
5/5/2018 0.00
5/6/2018 T
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 T
5/11/2018 T
5/12/2018 0.05
5/13/2018 **
5/14/2018 **
5/15/2018 **
5/16/2018 **
5/17/2018 **
5/18/2018 **
5/19/2018 **
5/20/2018 **
5/21/2018 **
5/22/2018 **
5/23/2018 **
5/24/2018 **
5/25/2018 1.74
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.01
5/29/2018 0.30
5/30/2018 0.03
5/31/2018 0.07
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 T
6/10/2018 0.00
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.00
6/16/2018 0.10
6/17/2018 0.72
6/18/2018 0.11
6/19/2018 0.04
6/20/2018 0.57
6/21/2018 T
6/22/2018 0.35
6/23/2018 0.01
6/24/2018 0.11
6/25/2018 0.19
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.00
6/29/2018 T
6/30/2018 T
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.52
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 T
7/5/2018 0.02
7/6/2018 0.00
7/7/2018 0.00
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.28
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.23
7/17/2018 0.00
7/18/2018 0.30
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.80
7/23/2018 T
7/24/2018 0.05
7/25/2018 0.03
7/26/2018 0.20
7/27/2018 0.21
7/28/2018 0.17
7/29/2018 0.01
7/30/2018 0.92
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.22
8/3/2018 0.00
8/4/2018 0.14
8/5/2018 0.03
8/6/2018 0.02
8/7/2018 0.04
8/8/2018 0.00
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 **
8/13/2018 **
8/14/2018 **
8/15/2018 **
8/16/2018 **
8/17/2018 **
8/18/2018 **
8/19/2018 **
8/20/2018 0.86
8/21/2018 0.03
8/22/2018 T
8/23/2018 0.04
8/24/2018 0.00
8/25/2018 T
8/26/2018 0.02
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 T
9/2/2018 T
9/3/2018 0.00
9/4/2018 T
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018
9/9/2018 T
9/10/2018 0.00
9/11/2018 0.00
9/12/2018 T
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 T
9/18/2018 T
9/19/2018 0.00
9/20/2018 0.07
9/21/2018 0.02
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 T
9/25/2018 T
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.03
9/30/2018 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM T M M M M
10/2/2017 7:00 AM 0.11 M M M M Auto gauge recorded 0.10”. 2nd CoCoRAHS gauge about 100 feet from 1st gauge recorded 0.08”. A few snow flakes in rain at 7AM with temp 36F.
10/3/2017 7:00 AM 0.48 1.0 M T M Auto weather station recorded 0.42”. 2nd CoCoRaHS gauge 100’ from primary gauge recorded 0.43”.
10/4/2017 7:00 AM 0.00 M M M M
10/5/2017 7:00 AM T M M M M Dense fog for several hours until about 11:30PM.
10/6/2017 7:00 AM T M M M M 2nd night with dense fog and light drizzle.
10/7/2017 7:00 AM 0.00 M M M M Winds gusted to 50mph at 4:44PM.
10/8/2017 7:00 AM 0.00 M M M M
10/9/2017 7:00 AM 0.40 6.0 M 6.0 M CoCoRAHS gauge at ground level recorded 0.40” with winds averaging 15 mph sosome under catch is suspected. 6” of snow seemed reasonable average.
10/10/2017 7:00 AM 0.05 0.5 M M M 50 perfect snow cover. {EDIT: Observer reported 0.5 of new snowfall depth with a melted core value of 1.50. SWE appears to be a typo. Changed report of 1.50 to NA until observer can be contacted to verify. Submission Time Before EDIT: 10/10/2017 10:27 AM CoCoSTAFF DNT}
10/11/2017 7:00 AM 0.00 M M M M
10/12/2017 7:00 AM 0.00 M M M M
10/13/2017 7:00 AM 0.00 M M M M
10/14/2017 7:00 AM 0.00 M M M M
10/15/2017 7:00 AM 0.00 M M M M
10/16/2017 7:00 AM 0.00 M M M M
10/17/2017 7:00 AM 0.00 M M M M
10/18/2017 7:00 AM 0.00 M M M M
10/19/2017 7:00 AM 0.00 M M M M
10/20/2017 7:00 AM 0.00 M M M M
10/21/2017 7:00 AM 0.00 M M M M Frontal passage at 9:52PM and winds peaked just after midnight with gusts to 60mph.
10/22/2017 7:00 AM 0.00 M M M M
10/23/2017 7:00 AM T T M M M Freezing precip at 7AM. Winds gusted to 47mph over night.
10/24/2017 7:00 AM T T M M M
10/25/2017 7:00 AM 0.00 M M M M
10/26/2017 7:00 AM 0.00 M M M M
10/27/2017 7:00 AM T T M M M
10/28/2017 7:00 AM 0.00 M M M M
10/29/2017 7:00 AM T M M M M
10/30/2017 7:00 AM 0.01 T M T M
10/31/2017 7:00 AM 0.01 0.2 M T M
11/1/2017 7:00 AM 0.00 M M M M
11/2/2017 7:00 AM T M M M M
11/3/2017 7:00 AM 0.00 M M M M
11/4/2017 7:00 AM 0.00 M M M M
11/5/2017 7:00 AM 0.01 M M M M
11/6/2017 7:00 AM 0.05 M M M M Auto weather station recorded 0.06”.
11/7/2017 7:00 AM 0.20 4.0 M 4.0 M
11/8/2017 7:00 AM 0.00 M M 2.0 M
11/9/2017 7:00 AM 0.00 M M M M
11/10/2017 7:00 AM 0.00 M M M M
11/11/2017 7:00 AM 0.00 M M M M
11/12/2017 7:00 AM 0.00 M M M M
11/13/2017 7:00 AM 0.00 M M M M
11/14/2017 7:00 AM 0.00 M M M M
11/15/2017 7:00 AM 0.00 M M M M
11/16/2017 7:00 AM 0.00 M M M M
11/17/2017 7:00 AM 0.00 M M M M
11/18/2017 7:00 AM 0.06 0.7 M 0.5 M
11/19/2017 7:00 AM 0.00 M M M M
11/20/2017 7:00 AM 0.00 M M M M
11/21/2017 7:00 AM 0.00 M M M M Windy yesterday with gusts to 62mph.
11/22/2017 7:00 AM 0.00 M M M M
11/23/2017 7:00 AM 0.00 M M M M
11/24/2017 7:00 AM 0.00 M M M M
11/25/2017 7:00 AM T M M M M Front moved thru at noon and temps dropped from 61F ro 51F in 1 hour. Winds gusted to 45mph prefrontal passage and dropped to calm afterwards.
11/26/2017 7:00 AM 0.00 M M M M
11/27/2017 7:00 AM 0.00 M M M M
11/28/2017 7:00 AM 0.00 M M M M
11/29/2017 7:00 AM 0.00 M M M M
11/30/2017 7:00 AM 0.00 M M M M
12/1/2017 7:00 AM 0.00 M M M M
12/2/2017 7:00 AM 0.00 M M M M
12/3/2017 7:00 AM 0.00 M M M M
12/4/2017 7:00 AM T M M M M 9:45PM cold front moved through with winds going from calm to gusts to 47 mph in just a few minutes.
12/5/2017 7:00 AM T T M 0.0 M
12/6/2017 7:00 AM 0.00 M M M M
12/7/2017 7:00 AM 0.01 0.2 M T M
12/8/2017 7:00 AM T M M M M
12/9/2017 7:00 AM 0.00 M M M M Winds averaged27 mph on Friday wuth peak winds of 53 mph.
12/10/2017 7:00 AM 0.00 M M M M
12/11/2017 7:00 AM 0.00 M M M M
12/12/2017 7:00 AM 0.00 M M M M
12/13/2017 7:00 AM 0.00 M M M M
12/14/2017 7:00 AM 0.01 0.1 M 0.1 M
12/15/2017 7:00 AM 0.05 1.0 M 1.0 M Precipitation is rough estimate due to high winds (under catch).
12/16/2017 7:00 AM 0.00 M M M M
12/17/2017 7:00 AM 0.01 M M M M
12/18/2017 7:00 AM 0.00 M M M M
12/19/2017 7:00 AM 0.00 M M M M
12/20/2017 7:00 AM 0.00 M M M M
12/21/2017 7:00 AM 0.01 0.2 M 0.2 M Near blizzard conditions at 7AM. Precip values are estimates.
12/22/2017 7:00 AM 0.10 2.0 M 1.5 M Low yesterday was 0F ~10:30PM.
12/23/2017 7:00 AM 0.03 0.2 M 1.0 M
12/24/2017 7:00 AM 0.14 2.0 M 3.0 M
12/25/2017 7:00 AM T T M 2.0 M
12/26/2017 7:00 AM 0.13 3.0 M 5.0 M Unusual snowfall in sigle digit and below zero degrees F. Snow to water ratio ~23:1. Low tmperature this morning was -4.2F.
12/27/2017 7:00 AM T T M 4.5 M
12/28/2017 7:00 AM 0.00 M M 2.0 M
12/29/2017 7:00 AM 0.00 M M 1.0 M
12/30/2017 7:00 AM T T M T M Arctic front moved in yesterday @ 2:17PM and temperature dropped 31F in an hour. Heavy frost and light snow-mist-fog last night. 4F @7AM but 45F just 15 miles to my west!
12/31/2017 7:00 AM T T M T M yesterday’s temperatures: 56F/4F with strong Chinook and Arctic Front.
1/1/2018 7:00 AM T T M T M
1/2/2018 7:00 AM 0.00 M M M M
1/3/2018 7:00 AM 0.00 M M M M
1/4/2018 7:00 AM 0.00 M M M M
1/5/2018 7:00 AM 0.00 M M M M
1/6/2018 7:00 AM 0.00 M M M M
1/7/2018 7:00 AM T T M T M
1/8/2018 7:00 AM 0.00 M M M M
1/9/2018 7:00 AM 0.00 M M M M
1/10/2018 7:00 AM 0.00 M M M M
1/11/2018 7:00 AM 0.07 T M T M Personal weather station recorded 0.11” during brief heavy downpour with afternoon cold frontal passage.
1/12/2018 7:00 AM 0.00 M M M M
1/13/2018 7:00 AM T T M 0.0 M
1/14/2018 7:00 AM 0.01 0.1 M 0.1 M
1/15/2018 7:00 AM 0.01 0.3 M 0.5 M Rules for snow depth is round up to nearest half inch. Two guages both accumulated only 0.01” SWE. Snowfall was very flurry in moderately strong winds after midnight.
1/16/2018 7:00 AM 0.00 M M T M -7F at daybreak this morning.
1/17/2018 7:00 AM 0.00 M M M M
1/18/2018 7:00 AM 0.00 0.0 M M M
1/19/2018 7:00 AM 0.00 0.0 M M M
1/20/2018 7:00 AM 0.00 0.0 M M M
1/23/2018 7:00 AM 0.00 M M M M Wind driven snow makes snow depth determination near impossible with lots of drifts and bare spots.
1/24/2018 7:00 AM 0.00 M M M M
1/25/2018 7:00 AM 0.00 M M M M
1/26/2018 7:00 AM 0.00 M M M M
1/27/2018 7:00 AM 0.00 M M M M
1/28/2018 7:00 AM 0.00 M M M M
1/29/2018 7:00 AM T T M 9.0 M
1/30/2018 7:00 AM 0.00 M M M M
1/31/2018 7:00 AM 0.00 M M M M
2/1/2018 7:00 AM 0.12 1.4 M 1.5 M
2/2/2018 7:00 AM T M M 0.5 M
2/3/2018 7:00 AM 0.00 M M M M Something moved through my area around 3:30AM with brief gusting to 58 mph.
2/4/2018 7:00 AM T T M T M Winds gusted to 58 mph yesterday afternoon. 7AM temperature 5F, windchill -10F.
2/5/2018 7:00 AM T T M T M Between 2AM and 5:30AM experienced peak winds 62 gusts to 72 mph and averages near 40 mph.
2/6/2018 7:00 AM 0.01 0.1 M T M
2/7/2018 7:00 AM 0.01 0.2 M T M
2/8/2018 7:00 AM 0.00 0.0 M M M
2/9/2018 7:00 AM 0.00 M M M M Yesterday during late morning I had 55 mph gusts. Just after midnight temperature fell from 45F to 25F in a hour. Heavy frost occurred by daybreak.
2/10/2018 7:00 AM 0.02 0.3 M 0.5 M
2/11/2018 7:00 AM 0.00 M M T M
2/12/2018 7:00 AM T T M T M
2/13/2018 7:00 AM 0.01 0.2 M T M
2/14/2018 7:00 AM 0.00 M M M M After 3AM, winds gusted over 60 mph several times. Very windy at time of observation.
2/15/2018 7:00 AM 0.00 M M M M 7:22AM yesterday recorded gust to 68 mph. Very windy daylight hours.
2/16/2018 7:00 AM T T M T M 3F at 3:30AM.
2/17/2018 7:00 AM 0.00 M M M M Very windy just before midnight. Gusts to 60 mph.
3/12/2018 7:00 AM 0.00 M M M M
3/13/2018 7:00 AM T M M M M
3/14/2018 7:00 AM 0.00 M M M M
3/15/2018 7:00 AM 0.00 M M M M
3/16/2018 7:00 AM 0.89 4.0 M 4.0 M Very heavy wet snow started around dark but moderate rains started late afternoon.
3/17/2018 7:00 AM 0.00 M M 2.0 M 50% snow cover.
3/18/2018 7:00 AM 0.00 M M M M
3/19/2018 7:00 AM 0.08 1.0 M 1.0 M Precip started as freezing rain/snow at 6PM. By 8:30PM major power line flashes to my west coincided with about a dozen 1 second outages for the next hour.
3/20/2018 7:00 AM T T M M M
3/21/2018 7:00 AM 0.00 M M M M
3/22/2018 7:00 AM 0.00 M M M M
3/23/2018 7:00 AM 0.00 M M M M
3/24/2018 7:00 AM T M M M M
3/25/2018 7:00 AM 0.00 M M M M
3/26/2018 7:00 AM 0.08 M M M M Personal weather Station recorded 0.09”.
3/27/2018 7:00 AM 0.00 M M M M
3/28/2018 7:00 AM 0.00 M M M M
3/29/2018 7:00 AM 0.06 0.2 M T M Personal weather station recorded 0.04”.
3/30/2018 7:00 AM T T M M M
3/31/2018 7:00 AM 0.00 M M M M
4/1/2018 7:00 AM 0.16 2.0 M 1.0 M
4/2/2018 7:00 AM 0.01 0.1 M 0.0 M
4/16/2018 7:00 AM 0.00 M M M M
4/17/2018 7:00 AM 0.00 M M M M
4/18/2018 7:00 AM 0.00 M M M M
4/19/2018 7:00 AM 0.00 M M M M
4/21/2018 7:00 AM 0.25 1.5 M 1.5 M 7AM: moderate snow falling at 29F.
4/22/2018 7:00 AM 0.07 1.0 M 0.0 M
4/23/2018 7:00 AM 0.00 M M M M
4/24/2018 7:00 AM 0.37 T M T M Between 5:33PM and 5:37PM, 0.25 inch fell along with pea size soft hail during thunderstorm when trmperature was 56F.
4/25/2018 7:00 AM 0.00 M M M M
4/26/2018 7:00 AM 0.00 M M M M
4/27/2018 7:00 AM 0.00 M M M M
4/28/2018 7:00 AM 0.00 M M M M
4/29/2018 7:00 AM 0.00 M M M M
4/30/2018 7:00 AM 0.00 M M M M
5/1/2018 7:00 AM 0.03 M M M M
5/2/2018 7:00 AM 0.12 M M M M
5/3/2018 7:00 AM 1.72 M M M M Minor standing water.
5/4/2018 7:00 AM 0.31 M M M M My rainfall total reflects 7AM to 7AM while others in the area were for an earlier period when rainfall was more intense.
5/5/2018 7:00 AM 0.00 M M M M
5/6/2018 7:00 AM T M M M M
5/7/2018 7:00 AM 0.00 M M M M
5/8/2018 7:00 AM 0.00 M M M M
5/9/2018 7:00 AM 0.00 M M M M
5/10/2018 7:00 AM T M M M M
5/11/2018 7:00 AM T M M M M
5/12/2018 7:00 AM 0.05 M M M M Drizzle at time of observation. Automated weather station recorded 0.09”.
5/26/2018 7:00 AM 0.00 M M M M
5/27/2018 7:00 AM 0.00 M M M M
5/28/2018 7:00 AM 0.01 M M M M Tornadoes in area yesterday afternoon. Fortunately missed hail and lightning while at edge of several supercell thunderstorms.
5/29/2018 7:00 AM 0.30 M M M M Thunderstorm had a 5 minute period of 0.12 inch downpour late afternoon.
5/30/2018 7:00 AM 0.03 M M M M
5/31/2018 7:00 AM 0.07 M M M M
6/1/2018 7:00 AM 0.00 M M M M
6/2/2018 7:00 AM 0.00 M M M M
6/3/2018 7:00 AM 0.00 M M M M
6/4/2018 7:00 AM 0.00 M M M M
6/5/2018 7:00 AM 0.00 M M M M
6/6/2018 7:00 AM 0.00 M M M M
6/7/2018 7:00 AM 0.00 M M M M
6/8/2018 7:00 AM 0.00 M M M M
6/9/2018 7:00 AM T M M M M
6/10/2018 7:00 AM 0.00 M M M M
6/11/2018 7:00 AM 0.00 M M M M
6/12/2018 7:00 AM 0.00 M M M M
6/13/2018 7:00 AM 0.00 M M M M
6/14/2018 7:00 AM 0.00 M M M M
6/15/2018 7:00 AM 0.00 M M M M
6/16/2018 7:00 AM 0.10 M M M M Between 3:37PM to 3:45PM, a severe thunderstorm formed overhead and resulted in hail of nickel to quarter size. My automatic weather station recorded 0.34” in that same period. I submitted a separate hail / significant weather report yesterday.
6/17/2018 7:00 AM 0.72 M M M M Automatic Weather Station recorded 0.74” during same 24 hours.
6/18/2018 7:00 AM 0.11 M M M M auto weather station recorded 0.14”.
6/19/2018 7:00 AM 0.04 M M M M
6/20/2018 7:00 AM 0.57 M M M M At 4PM, a severe thunderstorm moved through. In 23 minutes, received 0.51” and 2 minutes of pea size hail. Automatic weather station precip recorded much higher inaccurate reading due to hail fall.
6/21/2018 7:00 AM T M M M M
6/22/2018 7:00 AM 0.35 M M M M At 6PM, a severe thunderstorm moved through and dropped 0.35” in 23 minutes along with 3/8” hail for 15 minutes. Highest gust was 37 mph.
6/23/2018 7:00 AM 0.01 M M M M
6/24/2018 7:00 AM 0.11 M M M M
6/25/2018 7:00 AM 0.19 M M M M 10th day in a row with precip (9 days measurable). Automatic Weather Station over recorded 58% more rain than CoCoRAHS gauge.
6/26/2018 7:00 AM 0.00 M M M M
6/27/2018 7:00 AM 0.00 M M M M Reached first +90F day this year yesterday afternoon.
6/28/2018 7:00 AM 0.00 M M M M
6/29/2018 7:00 AM T M M M M
6/30/2018 7:00 AM T M M M M
7/1/2018 7:00 AM 0.52 M M M M Got down to 37F predawn hours. Automatic weather station and cocorahs gauges recorded the same amount of rain.
7/2/2018 7:00 AM 0.00 M M M M
7/3/2018 7:00 AM 0.00 M M M M
7/4/2018 7:00 AM T M M M M
7/5/2018 7:00 AM 0.02 M M M M
7/6/2018 7:00 AM 0.00 M M M M
7/7/2018 7:00 AM 0.00 M M M M
7/8/2018 7:00 AM 0.00 M M M M A few sprinkles around 11PM.
7/9/2018 7:00 AM 0.00 M M M M
7/10/2018 7:00 AM 0.00 M M M M
7/11/2018 7:00 AM 0.00 M M M M
7/12/2018 7:00 AM 0.00 M M M M
7/13/2018 7:00 AM 0.28 M M M M
7/14/2018 7:00 AM 0.00 M M M M
7/15/2018 7:00 AM 0.00 M M M M
7/16/2018 7:00 AM 0.23 M M M M Midday tenperatures were 30F cooler than preceding day.
7/17/2018 7:00 AM 0.00 M M M M Intense lightning east between 9 and 10:30PM.
7/18/2018 7:00 AM 0.30 M M M M Intense rain around 3PM for 15 minutes.
7/19/2018 7:00 AM 0.00 M M M M
7/20/2018 7:00 AM 0.00 M M M M
7/21/2018 7:00 AM 0.00 M M M M
7/22/2018 7:00 AM 0.80 M M M M Heavy rains between 1:30PM-2:00PM (.56”) and 4:00PM-4:40PM (.24”).
7/23/2018 7:00 AM T M M M M
7/24/2018 7:00 AM 0.05 M M M M Late day thunderstorm passed south of my area. It also started dissipating west of my location.
7/25/2018 7:00 AM 0.03 M M M M Strong storms passed to my north and south during afternoon hours.
7/26/2018 7:00 AM 0.20 M M M M 3rd day severe thunderstorm just missed my neighborhood.
7/27/2018 7:00 AM 0.21 M M M M Late afternoon storm brought .05” and midnight storm with intense nearby lightning had .16”.
7/28/2018 7:00 AM 0.17 M M M M
7/29/2018 7:00 AM 0.01 M M M M
7/30/2018 7:00 AM 0.92 M M M M Severe thunderstorm @ 2:47PM dropped 0.90” in 18 minutes with 1” to 2” hail during last 8 minutes.
7/31/2018 7:00 AM 0.00 M M M M
8/1/2018 7:00 AM 0.00 M M M M
8/2/2018 7:00 AM 0.22 M M M M
8/3/2018 7:00 AM 0.00 M M M M Few sprinkles on window at 6:30AM but showers about to begin at 7AM this morning.
8/4/2018 7:00 AM 0.14 M M M M Late day thunderstorm moved through in about 20 minutes.
8/5/2018 7:00 AM 0.03 M M M M
8/6/2018 7:00 AM 0.02 M M M M Two severe thunderstorm passed just north of me yesterday afternoon.
8/7/2018 7:00 AM 0.04 M M M M Very active thunderstorm day. Several intense storm just missed my area by only a few miles.
8/8/2018 7:00 AM 0.00 M M M M Heavyrains again passed just south and east of me.
8/9/2018 7:00 AM 0.00 M M M M
8/10/2018 7:00 AM 0.00 M M M M
8/11/2018 7:00 AM 0.00 M M M M
8/21/2018 7:00 AM 0.03 M M M M
8/22/2018 7:00 AM T M M M M
8/23/2018 7:00 AM 0.04 M M M M
8/24/2018 7:00 AM 0.00 M M M M
8/25/2018 7:00 AM T M M M M
8/26/2018 7:00 AM 0.02 M M M M
8/27/2018 7:00 AM 0.00 M M M M
8/28/2018 7:00 AM 0.00 M M M M
8/29/2018 7:00 AM 0.00 M M M M
8/30/2018 7:00 AM 0.00 M M M M
8/31/2018 7:00 AM 0.00 M M M M Received a few sprinkles with relative humidity of only 11% during mid-afternoon.
9/1/2018 7:00 AM T M M M M
9/2/2018 7:00 AM T M M M M
9/3/2018 7:00 AM 0.00 M M M M
9/4/2018 7:00 AM T M M M M
9/5/2018 7:00 AM 0.00 M M M M
9/6/2018 7:00 AM 0.00 M M M M
9/7/2018 7:00 AM 0.00 M M M M
9/9/2018 7:00 AM T M M M M
9/10/2018 7:00 AM 0.00 M M M M
9/11/2018 7:00 AM 0.00 M M M M Yesterday afternoon, temperature reached 85F with relative humidity on my automatic weather station of hust 1%.
9/12/2018 7:00 AM T M M M M Rain fell with RH of 9%.
9/13/2018 7:00 AM 0.00 M M M M Clear until late day smoke arrived from Colorado’s Seaman Fire west of Ft Collins.
9/14/2018 7:00 AM 0.00 M M M M Smoke from Seaman Fire near Ft Collins returned again mid-afternoon.
9/15/2018 7:00 AM 0.00 M M M M
9/16/2018 7:00 AM 0.00 M M M M
9/17/2018 7:00 AM T M M M M
9/18/2018 7:00 AM T M M M M
9/19/2018 7:00 AM 0.00 M M M M
9/20/2018 7:00 AM 0.07 M M M M
9/21/2018 7:00 AM 0.02 M M M M Rare noontime thunderstorms moved through. This morning 1st freeze at 32F.
9/22/2018 7:00 AM 0.00 M M M M
9/23/2018 7:00 AM 0.00 M M M M
9/24/2018 7:00 AM T M M M M
9/25/2018 7:00 AM T M M M M
9/26/2018 7:00 AM 0.00 M M M M
9/27/2018 7:00 AM 0.00 M M M M
9/28/2018 7:00 AM 0.00 M M M M
9/29/2018 7:00 AM 0.03 M M M M High past day was 40F.
9/30/2018 7:00 AM 0.01 M M M M Yesterday’s max/min.was 82/34. Yesterday’s afternoon temperature was 45F warming than previous day’s max temperature. Very light rain falling at 7AM.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/21/2018 1/22/2018 7:00 AM 2 0.18 M M
5/13/2018 5/25/2018 7:00 AM 13 1.74 M M My automatic weather station recorded exactly the same amount.
8/12/2018 8/20/2018 7:00 AM 9 0.86 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
6/15/2018 3:37 PM Lasted 8 minutes without seeing any significant rain. 1" Quarter Size 1/2" Grape 1/4" Pea Size Hard|White Ice 1min minor leaf damage Continuous False Before rain Before smaller hail
6/19/2018 4:14 PM At start of severe thunderstorm 3:59PM, rice size hail fell for about 6 minutes. Auromatic Weather Station recorded 0.75 inches in 23 minutes. 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Soft|White Ice 2 no damage True After rain Same time as smaller hail
6/21/2018 6:00 PM 3/8" 3/8" 1/4" Pea Size Hard|White Ice 1min no damage Intermittent False Before rain Same time as smaller hail
7/29/2018 2:47 PM 1 3/4" Golf Ball Size 3/4" Penny Size 1/4" Pea Size White Ice 20 1min shredded leaves Continuous False Before rain After smaller hail