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 12 1.47 0.88 16 0.63 3 0.25 13 1 3 0 4.5 2 0
Nov 12 1.07 0.12 1 0.12 1 0.00 0 0 1 0 1.3 1 0
Dec 12 0.64 0.80 3 0.80 3 0.00 0 0 3 0 15.0 3 1
Jan 13 0.52 0.11 3 0.11 3 0.00 0 0 1 2 2.7 3 0
Feb 13 0.51 1.55 6 1.55 6 0.00 0 0 6 0 26.5 6 6
March 13 2.34 1.98 6 1.98 6 0.00 0 0 6 0 23.0 6 5
April 13 2.30 4.19 10 4.19 10 0.00 0 0 10 0 42.0 8 8
May 13 3.57 3.56 5 3.56 5 0.00 0 0 5 0 20.0 2 1
June 13 2.66 0.81 3 0.81 3 0.00 0 0 3 0 0.0 0 0
July 13 2.31 3.37 7 3.37 7 0.00 0 0 7 0 0.0 0 0
Aug 13 1.82 0.15 2 0.15 2 0.00 0 0 2 0 0.0 0 0
Sept 13 1.47 12.93 13 12.93 13 0.00 0 0 12 0 0.0 0 0
Water Year Totals: 20.68" 30.45" 75 days 30.20" 62 0.25" 13 days 1 59 days 2 days 135.0" 31 days 21 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
10/1/2012 **
10/2/2012 **
10/3/2012 **
10/4/2012 **
10/5/2012 **
10/6/2012 **
10/7/2012 **
10/8/2012 **
10/9/2012 **
10/10/2012 **
10/11/2012 **
10/12/2012 **
10/13/2012 0.25
10/14/2012 0.05
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012 0.39
10/26/2012 0.19
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012 0.12
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012 0.48
12/20/2012 0.12
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012 0.20
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013 T
1/13/2013 T
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013 0.11
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013 0.14
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013 0.19
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013 0.13
2/22/2013 0.17
2/23/2013
2/24/2013 0.36
2/25/2013 0.56
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013 0.08
3/6/2013
3/7/2013
3/8/2013
3/9/2013 0.10
3/10/2013 0.30
3/11/2013
3/12/2013 0.12
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013 1.15
3/24/2013 0.23
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013 0.09
4/3/2013 0.20
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013 0.23
4/10/2013 0.22
4/11/2013
4/12/2013
4/13/2013
4/14/2013 0.15
4/15/2013 0.28
4/16/2013 1.19
4/17/2013 0.55
4/18/2013 0.57
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013 0.71
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013 2.05
5/2/2013 0.43
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013 0.42
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013 0.04
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013 0.62
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013
6/15/2013 0.05
6/16/2013
6/17/2013
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013 0.72
6/30/2013 0.04
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013 0.25
7/7/2013 0.10
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013 0.26
7/15/2013 0.49
7/16/2013
7/17/2013
7/18/2013
7/19/2013 1.45
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013 0.21
7/27/2013
7/28/2013
7/29/2013 0.61
7/30/2013
7/31/2013
8/1/2013
8/2/2013
8/3/2013 0.08
8/4/2013
8/5/2013
8/6/2013
8/7/2013
8/8/2013
8/9/2013
8/10/2013
8/11/2013
8/12/2013
8/13/2013
8/14/2013
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013
8/24/2013
8/25/2013
8/26/2013
8/27/2013 0.07
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013 0.12
9/2/2013
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013 0.00
9/10/2013 0.56
9/11/2013 0.66
9/12/2013 5.40
9/13/2013 3.25
9/14/2013 0.02
9/15/2013 0.01
9/16/2013 1.98
9/17/2013
9/18/2013
9/19/2013 0.24
9/20/2013
9/21/2013
9/22/2013
9/23/2013 0.38
9/24/2013
9/25/2013
9/26/2013
9/27/2013 0.02
9/28/2013 0.29
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/14/2012 7:00 AM 0.05 M M M M
10/25/2012 6:30 AM 0.39 2.5 0.39 M M rained yesterday afternoon, turned to snow about 6pm
10/26/2012 7:00 AM 0.19 2.0 0.19 M M
11/11/2012 7:00 AM 0.12 1.3 0.12 M M
12/19/2012 6:00 AM 0.48 8.0 0.48 8.0 0.48
12/20/2012 7:00 AM 0.12 2.0 0.12 M M
12/25/2012 7:00 AM 0.20 5.0 0.20 M M
1/12/2013 7:00 AM T 0.5 T M M
1/13/2013 7:00 AM T 0.7 T M M
1/29/2013 7:00 AM 0.11 1.5 0.11 M M
2/10/2013 7:00 AM 0.14 2.0 0.14 2.0 0.14
2/15/2013 7:00 AM 0.19 4.0 0.19 4.0 0.19
2/21/2013 7:00 AM 0.13 1.5 0.13 1.5 0.13
2/22/2013 7:00 AM 0.17 2.0 0.17 3.5 0.30
2/24/2013 7:00 AM 0.36 6.0 0.36 8.5 M
2/25/2013 7:00 AM 0.56 11.0 0.56 13.0 M
3/5/2013 7:00 AM 0.08 2.0 0.08 2.0 M
3/9/2013 7:00 AM 0.10 1.0 0.10 1.0 M
3/10/2013 7:00 AM 0.30 4.0 0.30 M M
3/12/2013 7:00 AM 0.12 2.0 0.12 2.0 M
3/23/2013 7:00 AM 1.15 12.0 1.15 12.0 M
3/24/2013 7:00 AM 0.23 2.0 0.23 12.0 M
4/2/2013 7:00 AM 0.09 1.0 0.09 1.0 M
4/3/2013 7:00 AM 0.20 T 0.20 T M
4/9/2013 7:00 AM 0.23 1.5 0.23 1.5 M
4/10/2013 7:00 AM 0.22 4.0 0.22 5.0 M
4/14/2013 7:00 AM 0.15 M M M M
4/15/2013 7:00 AM 0.28 4.0 0.28 4.0 M
4/16/2013 7:00 AM 1.19 12.0 1.19 14.0 M
4/17/2013 7:00 AM 0.55 3.0 0.55 13.0 M Hard crust on surface of snow (possible frozen rain?)
4/18/2013 7:00 AM 0.57 7.0 0.57 18.0 M
4/23/2013 7:00 AM 0.71 9.5 0.71 9.5 M
5/1/2013 7:00 AM 2.05 15.0 2.05 M M Rained for an hour or two before the snow came down
5/2/2013 7:00 AM 0.43 5.0 0.43 17.0 M
5/9/2013 4:00 PM 0.42 M M M M this is 2 days worth of rain (tues, wed) and I didn't check on monday
5/20/2013 7:00 AM 0.04 M M M M
5/30/2013 7:00 AM 0.62 M M M M
6/15/2013 7:00 AM 0.05 M M M M
6/29/2013 7:00 AM 0.72 M M M M 3/8 inch hail along with the rain
6/30/2013 7:00 AM 0.04 M M M M
7/6/2013 7:00 AM 0.25 M M M M
7/7/2013 6:30 AM 0.10 M M M M
7/14/2013 7:00 AM 0.26 M M M M
7/15/2013 6:00 AM 0.49 M M M M
7/19/2013 7:00 AM 1.45 M M M M this amt fell in one hour about 3:30pm yesterday
7/26/2013 7:00 AM 0.21 M M M M
7/29/2013 7:00 AM 0.61 M M M M
8/3/2013 7:00 AM 0.08 M M M M
8/27/2013 7:00 AM 0.07 M M M M
9/1/2013 7:00 AM 0.12 M M M M
9/9/2013 7:00 AM 0.00 0.0 M M M inferred off maps for daily flood mapping effort CSPEARS
9/10/2013 7:00 AM 0.56 M M M M thank goodness for this fantastic rain !
9/11/2013 7:00 AM 0.66 M M M M thank god
9/12/2013 7:00 AM 5.40 M M M M rained for past 24 hours,,, felt like we were on Noahs Arc
9/13/2013 7:00 AM 3.25 M M M M
9/14/2013 7:00 AM 0.02 M M M M blue skies today, hooray !!!
9/15/2013 7:00 AM 0.01 M M M M thank goodness
9/16/2013 7:00 AM 1.98 M M M M
9/19/2013 7:00 AM 0.24 M M M M intense rain early AM, with thunder & lightning
9/23/2013 7:00 AM 0.38 M M M M
9/27/2013 7:00 AM 0.02 M M M M
9/28/2013 7:00 AM 0.29 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/28/2012 10/13/2012 7:00 AM 16 0.25 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