Station Overview Station Location
Station Number CO-LR-683 Latitude 40.58
Station Name Horsetooth Mountain 3.2 NNW Longitude -105.22
County Larimer Elevation (ft) 6900



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 19 1.47 2.03 7 2.03 7 0.00 0 0 7 0 19.0 5 0
Nov 19 1.07 2.44 4 2.44 4 0.00 0 0 4 0 34.0 5 1
Dec 19 0.64 0.30 3 0.30 3 0.00 0 0 2 1 3.0 2 0
Jan 20 0.52 0.00 1 0.00 1 0.00 0 0 0 1 0.0 0 0
Feb 20 0.51 2.17 10 2.17 10 0.00 0 0 7 3 30.0 7 0
March 20 2.34 1.90 8 1.90 8 0.00 0 0 5 3 13.5 3 0
April 20 2.30 2.51 8 2.51 8 0.00 0 0 6 2 33.0 5 0
May 20 3.57 1.92 8 1.92 8 0.00 0 0 7 1 0.0 0 0
June 20 2.66 1.78 5 1.78 5 0.00 0 0 5 0 0.0 0 0
July 20 2.31 1.22 3 1.22 3 0.00 0 0 3 0 0.0 0 0
Aug 20 1.82 0.48 2 0.48 2 0.00 0 0 2 0 0.0 0 0
Sept 20 1.47 1.24 2 1.24 2 0.00 0 0 2 0 8.5 2 0
Water Year Totals: 20.68" 17.99" 61 days 17.99" 61 0.00" 0 days 0 50 days 11 days 141.0" 29 days 1 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
10/1/2019 0.18
10/2/2019 0.20
10/3/2019
10/4/2019
10/5/2019
10/6/2019
10/7/2019
10/8/2019
10/9/2019
10/10/2019 0.55
10/11/2019
10/12/2019
10/13/2019
10/14/2019
10/15/2019
10/16/2019
10/17/2019
10/18/2019
10/19/2019
10/20/2019
10/21/2019
10/22/2019
10/23/2019
10/24/2019
10/25/2019
10/26/2019
10/27/2019 0.02
10/28/2019 0.60
10/29/2019 0.20
10/30/2019 0.28
10/31/2019
11/1/2019
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019
11/8/2019
11/9/2019
11/10/2019
11/11/2019 0.15
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019
11/21/2019 0.20
11/22/2019 0.09
11/23/2019
11/24/2019
11/25/2019
11/26/2019 2.00
11/27/2019 M
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019
12/10/2019
12/11/2019
12/12/2019
12/13/2019
12/14/2019 T
12/15/2019 0.15
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019 0.15
12/29/2019
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020
1/16/2020
1/17/2020
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020 T
1/31/2020
2/1/2020
2/2/2020
2/3/2020 T
2/4/2020 0.85
2/5/2020
2/6/2020
2/7/2020 0.10
2/8/2020 0.40
2/9/2020 T
2/10/2020 0.21
2/11/2020 0.35
2/12/2020
2/13/2020 0.10
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020 0.16
2/21/2020
2/22/2020
2/23/2020
2/24/2020 T
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020 0.10
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020 0.17
3/10/2020
3/11/2020
3/12/2020
3/13/2020 T
3/14/2020 0.01
3/15/2020
3/16/2020
3/17/2020 T
3/18/2020
3/19/2020 0.42
3/20/2020 1.20
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020 T
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020 T
4/3/2020 0.10
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020 0.10
4/13/2020 0.65
4/14/2020
4/15/2020
4/16/2020 1.21
4/17/2020 0.39
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020 0.06
4/25/2020 T
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020 T
5/3/2020 0.34
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020 0.30
5/13/2020
5/14/2020 0.28
5/15/2020 0.13
5/16/2020 0.40
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020 0.03
5/25/2020 0.44
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020 0.71
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020 0.04
6/8/2020
6/9/2020 0.62
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020 0.16
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020 0.25
6/28/2020
6/29/2020
6/30/2020
Day of YearDaily PrcpMultiday Prcp
7/1/2020
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020 M
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020 0.20
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020 0.44
7/30/2020
7/31/2020 0.58
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020 0.23
8/8/2020
8/9/2020
8/10/2020
8/11/2020
8/12/2020
8/13/2020
8/14/2020
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020
8/24/2020
8/25/2020
8/26/2020
8/27/2020
8/28/2020
8/29/2020
8/30/2020 0.25
8/31/2020
9/1/2020
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020 0.52
9/9/2020 0.72
9/10/2020
9/11/2020
9/12/2020
9/13/2020
9/14/2020
9/15/2020
9/16/2020
9/17/2020
9/18/2020
9/19/2020
9/20/2020
9/21/2020
9/22/2020
9/23/2020
9/24/2020
9/25/2020
9/26/2020
9/27/2020
9/28/2020
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.18 M M M M
10/2/2019 7:00 AM 0.20 M M M M
10/10/2019 7:00 AM 0.55 3.0 0.55 M M
10/27/2019 7:00 AM 0.02 1.0 0.02 M M
10/28/2019 7:00 AM 0.60 9.0 0.60 M M
10/29/2019 7:00 AM 0.20 4.0 0.20 M M
10/30/2019 7:00 AM 0.28 2.0 0.28 M M
11/11/2019 7:00 AM 0.15 3.0 0.15 M M
11/21/2019 7:00 AM 0.20 2.0 0.20 M M
11/22/2019 7:00 AM 0.09 1.0 0.09 M M
11/26/2019 7:00 AM 2.00 24.0 M M M I cant get out of my house, the snow is toooo heavy and too deep,,, i measured 24" snow (Edit -- orig precip value was entered as 12.00" Change to 2.00" and call it a "reasonable estimate" NJD.)
11/27/2019 7:00 AM M 4.0 M 22.0 M
12/14/2019 7:00 AM T T T M M
12/15/2019 7:00 AM 0.15 1.5 0.15 M M
12/28/2019 7:00 AM 0.15 1.5 0.15 M M cold wind is blowing snow around
1/30/2020 7:00 AM T M M M M
2/3/2020 7:00 AM T M M M M
2/4/2020 7:00 AM 0.85 14.0 0.85 M M
2/7/2020 7:00 AM 0.10 1.0 0.10 M M
2/8/2020 7:00 AM 0.40 4.0 0.40 M M
2/9/2020 7:00 AM T M M M M
2/10/2020 7:00 AM 0.21 2.0 0.21 M M
2/11/2020 7:00 AM 0.35 4.0 0.35 M M
2/13/2020 7:00 AM 0.10 1.0 0.10 M M
2/20/2020 7:00 AM 0.16 4.0 0.16 M M
2/24/2020 7:00 AM T M M M M
3/2/2020 7:00 AM 0.10 1.0 0.10 M M
3/9/2020 6:00 AM 0.17 M M M M
3/13/2020 7:00 AM T M M M M rained last eve, and temps past 12 hours = 26 degF, and this morning when I went out to read the rain gauge, it was like trying to walk on an ice-skating rink !!!
3/14/2020 7:00 AM 0.01 0.5 0.01 M M
3/17/2020 7:00 AM T M M M M
3/19/2020 7:00 AM 0.42 M M M M
3/20/2020 7:00 AM 1.20 12.0 1.20 M M
3/28/2020 7:00 AM T M M M M
4/2/2020 7:00 AM T M M M M
4/3/2020 7:00 AM 0.10 1.0 0.10 M M
4/12/2020 7:00 AM 0.10 1.0 0.10 M M
4/13/2020 8:15 AM 0.65 15.0 0.65 M M
4/16/2020 8:00 AM 1.21 12.0 1.21 M M
4/17/2020 7:00 AM 0.39 4.0 0.39 M M
4/24/2020 7:00 AM 0.06 M M M M
4/25/2020 7:00 AM T M M M M
5/2/2020 7:00 AM T M M M M
5/3/2020 7:00 AM 0.34 M M M M
5/12/2020 7:00 AM 0.30 M M M M
5/14/2020 7:00 AM 0.28 M M M M
5/15/2020 7:00 AM 0.13 M M M M
5/16/2020 7:00 AM 0.40 M M M M
5/24/2020 7:00 AM 0.03 M M M M
5/25/2020 7:00 AM 0.44 M M M M
6/1/2020 7:00 AM 0.71 M M M M
6/7/2020 7:00 AM 0.04 M M M M
6/9/2020 7:00 AM 0.62 M M M M
6/19/2020 7:00 AM 0.16 M M M M
6/27/2020 7:00 AM 0.25 M M M M
7/15/2020 7:00 AM M M M M M {EDIT: Observer reported 0.31 for new precip. This is high compared to surrounding reports of 0.02 to 0.07 and it appears to be a multi-day report instead of a 24 hour report. Observer did not report the previous day when surrounding stations reported precip. Changed report of 0.31 to NA until observer can be contacted to verify. Submission Time Before EDIT: 7/15/2020 6:14 AM CoCoSTAFF DNT}
7/22/2020 7:00 AM 0.20 M M M M
7/29/2020 7:00 AM 0.44 M M M M
7/31/2020 7:00 AM 0.58 M M M M late afternoon- HAILED for about 5 minutes with an intensity that was "biblical",,, visibility was about 10 feet
8/7/2020 7:00 AM 0.23 M M M M
8/30/2020 7:00 AM 0.25 M M M M
9/8/2020 7:00 AM 0.52 2.0 0.52 M M
9/9/2020 7:00 AM 0.72 6.5 0.72 M M



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
7/30/2020 8:00 PM HAILED for about 5 minutes with an intensity that was "biblical",,, visibility was about 10 feet. Hail was preserved in the sense that it was still on the ground at noon the following day. CoCoStaff NN spoke to observer and is entering this report on behalf of the volunteer. It was the most intense event in their time at this location. Time of actual event will be verified based on photo metadata taken at the time of the event. NA 1/4" Pea Size NA 5 Continuous False