Station Overview Station Location
Station Number CO-LR-610 Latitude 40.5489
Station Name Fort Collins 3.5 SW Longitude -105.1307
County Larimer Elevation (ft) 5134



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 16 1.23 0.39 20 0.06 17 0.33 3 1 1 2 0.0 0 0
Nov 16 0.86 0.00 17 0.00 17 0.00 0 0 0 0 0.0 0 0
Dec 16 0.56 0.26 12 0.26 12 0.00 0 0 1 1 4.5 1 1
Jan 17 0.44 0.00 7 0.00 7 0.00 0 0 0 2 0.0 0 0
Feb 17 0.51 0.00 3 0.00 3 0.00 0 0 0 1 0.0 0 0
March 17 1.78 0.00 24 0.00 14 0.00 10 0 0 1 0.0 0 0
April 17 2.05 1.87 21 0.75 17 1.12 4 1 2 0 0.0 0 0
May 17 2.64 4.75 24 4.75 24 0.00 0 0 13 2 0.0 0 0
June 17 2.81 0.16 16 0.16 9 0.00 7 0 3 1 0.0 0 0
July 17 1.53 1.71 17 1.55 10 0.16 7 2 4 3 0.0 0 0
Aug 17 1.86 1.97 17 1.97 17 0.00 0 0 10 1 0.0 0 0
Sept 17 1.41 2.16 15 2.16 15 0.00 0 0 7 3 0.0 0 0
Water Year Totals: 17.68" 13.27" 193 days 11.66" 162 1.61" 31 days 4 41 days 17 days 4.5" 1 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
10/1/2016
10/2/2016 T
10/3/2016 T
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.06
10/7/2016
10/8/2016
10/9/2016 0.00
10/10/2016 **
10/11/2016 **
10/12/2016 0.33
10/13/2016
10/14/2016
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016
10/20/2016
10/21/2016 0.00
10/22/2016
10/23/2016
10/24/2016 0.00
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016
10/29/2016
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016 0.00
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016 0.00
11/30/2016
12/1/2016 0.00
12/2/2016 0.00
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016 0.26
12/8/2016 0.00
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 T
12/16/2016 0.00
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016 0.00
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016 0.00
12/29/2016 0.00
12/30/2016 0.00
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.00
1/2/2017 0.00
1/3/2017
1/4/2017 T
1/5/2017
1/6/2017
1/7/2017 0.00
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017 T
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017 0.00
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017 0.00
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017 T
2/21/2017
2/22/2017 0.00
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017 0.00
2/28/2017
3/1/2017 0.00
3/2/2017 0.00
3/3/2017 0.00
3/4/2017
3/5/2017 0.00
3/6/2017
3/7/2017 0.00
3/8/2017
3/9/2017
3/10/2017 0.00
3/11/2017
3/12/2017 0.00
3/13/2017 0.00
3/14/2017 0.00
3/15/2017 0.00
3/16/2017 0.00
3/17/2017
3/18/2017 0.00
3/19/2017
3/20/2017 0.00
3/21/2017 T
3/22/2017 **
3/23/2017 **
3/24/2017 **
3/25/2017 **
3/26/2017 **
3/27/2017 **
3/28/2017 **
3/29/2017 **
3/30/2017 **
3/31/2017 **
Day of YearDaily PrcpMultiday Prcp
4/1/2017 **
4/2/2017 **
4/3/2017 **
4/4/2017 1.12
4/5/2017
4/6/2017 0.00
4/7/2017 0.00
4/8/2017 0.00
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.00
4/18/2017 0.00
4/19/2017 0.00
4/20/2017 0.00
4/21/2017 0.64
4/22/2017 0.11
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017 0.00
5/3/2017 0.10
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017 0.23
5/10/2017 0.14
5/11/2017 0.04
5/12/2017 0.00
5/13/2017 0.00
5/14/2017 0.00
5/15/2017 0.00
5/16/2017 T
5/17/2017 0.03
5/18/2017 1.02
5/19/2017 2.64
5/20/2017 0.01
5/21/2017 0.00
5/22/2017 0.16
5/23/2017 0.09
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.22
5/27/2017 0.02
5/28/2017 0.05
5/29/2017
5/30/2017 T
5/31/2017 0.00
6/1/2017 0.00
6/2/2017
6/3/2017 0.05
6/4/2017 0.00
6/5/2017 0.00
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017 0.00
6/13/2017 T
6/14/2017
6/15/2017
6/16/2017 0.00
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017 0.04
6/22/2017
6/23/2017 0.07
6/24/2017 **
6/25/2017 **
6/26/2017 **
6/27/2017 **
6/28/2017 **
6/29/2017 **
6/30/2017 **
Day of YearDaily PrcpMultiday Prcp
7/1/2017 **
7/2/2017 0.12
7/3/2017
7/4/2017 0.09
7/5/2017 T
7/6/2017 0.00
7/7/2017 1.38
7/8/2017 0.00
7/9/2017
7/10/2017 0.03
7/11/2017
7/12/2017 0.05
7/13/2017 **
7/14/2017 **
7/15/2017 **
7/16/2017 **
7/17/2017 0.04
7/18/2017
7/19/2017 0.00
7/20/2017 T
7/21/2017 T
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017 0.40
8/8/2017 0.15
8/9/2017 0.07
8/10/2017 0.12
8/11/2017 0.81
8/12/2017 0.02
8/13/2017 0.27
8/14/2017 0.02
8/15/2017 0.07
8/16/2017 0.04
8/17/2017 0.00
8/18/2017 T
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017 0.00
8/23/2017 0.00
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017 0.00
9/5/2017 0.00
9/6/2017
9/7/2017 0.00
9/8/2017 0.00
9/9/2017
9/10/2017
9/11/2017 T
9/12/2017 0.00
9/13/2017
9/14/2017 T
9/15/2017 T
9/16/2017 0.15
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017 0.97
9/25/2017 0.58
9/26/2017
9/27/2017 0.03
9/28/2017 0.37
9/29/2017 0.04
9/30/2017 0.02



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2016 7:00 AM T M M M M
10/3/2016 7:00 AM T M M M M
10/4/2016 7:00 AM 0.00 0.0 M M M
10/5/2016 7:00 AM 0.00 0.0 M M M Very chilly morning . . . autumn is here!
10/6/2016 7:00 AM 0.06 M M M M
10/9/2016 7:00 AM 0.00 0.0 M M M
10/15/2016 7:00 AM 0.00 0.0 M M M
10/16/2016 7:00 AM 0.00 0.0 M M M
10/17/2016 7:00 AM 0.00 0.0 M M M
10/18/2016 7:00 AM 0.00 0.0 M M M
10/21/2016 7:00 AM 0.00 0.0 M M M
10/24/2016 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
10/25/2016 7:00 AM 0.00 0.0 M M M
10/26/2016 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
10/27/2016 7:00 AM 0.00 0.0 M M M
10/30/2016 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
10/31/2016 7:00 AM 0.00 0.0 M M M
11/1/2016 7:00 AM 0.00 0.0 M M M
11/2/2016 7:00 AM 0.00 0.0 M M M
11/3/2016 7:00 AM 0.00 0.0 M M M
11/4/2016 7:00 AM 0.00 0.0 M M M
11/5/2016 7:00 AM 0.00 0.0 M M M
11/6/2016 7:00 AM 0.00 0.0 M M M
11/7/2016 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
11/8/2016 7:00 AM 0.00 0.0 M M M
11/9/2016 7:00 AM 0.00 0.0 M M M
11/10/2016 7:00 AM 0.00 0.0 M M M
11/11/2016 7:00 AM 0.00 0.0 M M M
11/12/2016 7:00 AM 0.00 0.0 M M M
11/13/2016 7:00 AM 0.00 0.0 M M M
11/14/2016 7:00 AM 0.00 0.0 M M M
11/15/2016 7:00 AM 0.00 0.0 M M M
11/21/2016 7:00 AM 0.00 0.0 M M M
11/29/2016 7:00 AM 0.00 0.0 M M M
12/1/2016 7:00 AM 0.00 0.0 M M M
12/2/2016 7:00 AM 0.00 0.0 M M M
12/7/2016 7:00 AM 0.26 4.5 0.26 4.5 0.26
12/8/2016 7:00 AM 0.00 0.0 M M M
12/13/2016 7:00 AM 0.00 0.0 M M M
12/14/2016 7:00 AM 0.00 0.0 M M M
12/15/2016 7:00 AM T M M M M light flurries
12/16/2016 7:00 AM 0.00 0.0 M M M
12/21/2016 7:00 AM 0.00 0.0 M M M
12/28/2016 7:00 AM 0.00 0.0 M M M
12/29/2016 7:00 AM 0.00 0.0 M M M
12/30/2016 7:00 AM 0.00 0.0 M M M
1/1/2017 7:00 AM 0.00 0.0 M M M
1/2/2017 7:00 AM 0.00 0.0 M M M
1/4/2017 7:00 AM T M M M M Sent via CoCoRaHS Observer for iOS
1/7/2017 7:00 AM 0.00 0.0 M M M
1/13/2017 7:00 AM T M M M M
1/23/2017 7:00 AM 0.00 0.0 M M M
1/30/2017 7:00 AM 0.00 0.0 M M M
2/20/2017 7:00 AM T M M M M Quick shower around 7PM
2/22/2017 7:00 AM 0.00 0.0 M M M
2/27/2017 7:00 AM 0.00 0.0 M M M
3/1/2017 7:00 AM 0.00 0.0 M M M
3/2/2017 7:00 AM 0.00 0.0 M M M
3/3/2017 7:00 AM 0.00 0.0 M M M
3/5/2017 7:00 AM 0.00 0.0 M M M
3/7/2017 7:00 AM 0.00 0.0 M M M Strong gusty winds up to 45 mph . . . relentless!
3/10/2017 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
3/12/2017 7:00 AM 0.00 0.0 M M M
3/13/2017 7:00 AM 0.00 0.0 M M M
3/14/2017 7:00 AM 0.00 0.0 M M M
3/15/2017 7:00 AM 0.00 0.0 M M M
3/16/2017 7:00 AM 0.00 0.0 M M M
3/18/2017 7:00 AM 0.00 0.0 M M M
3/20/2017 7:00 AM 0.00 0.0 M M M
3/21/2017 7:00 AM T M M M M Sent via CoCoRaHS Observer for iOS
4/6/2017 7:00 AM 0.00 0.0 M M M
4/7/2017 7:00 AM 0.00 0.0 M M M
4/8/2017 7:00 AM 0.00 0.0 M M M
4/9/2017 7:00 AM 0.00 0.0 M M M
4/10/2017 7:00 AM 0.00 0.0 M M M
4/11/2017 7:00 AM 0.00 0.0 M M M
4/12/2017 7:00 AM 0.00 0.0 M M M
4/13/2017 7:00 AM 0.00 0.0 M M M
4/14/2017 7:00 AM 0.00 0.0 M M M
4/15/2017 7:00 AM 0.00 0.0 M M M
4/16/2017 7:00 AM 0.00 0.0 M M M
4/17/2017 7:00 AM 0.00 0.0 M M M
4/18/2017 7:00 AM 0.00 0.0 M M M
4/19/2017 7:00 AM 0.00 0.0 M M M
4/20/2017 7:00 AM 0.00 0.0 M M M
4/21/2017 7:00 AM 0.64 M M M M Rain began intermittently around 4PM, Some thunder around 7PM then a steady rain overnight.
4/22/2017 7:00 AM 0.11 M M M M Sent via CoCoRaHS Observer for iOS
5/2/2017 7:00 AM 0.00 0.0 M M M
5/3/2017 7:00 AM 0.10 M M M M Sent via CoCoRaHS Observer for iOS
5/9/2017 7:00 AM 0.23 M M M M Sent via CoCoRaHS Observer for iOS
5/10/2017 7:00 AM 0.14 M M M M
5/11/2017 7:00 AM 0.04 M M M M
5/12/2017 7:00 AM 0.00 0.0 M M M
5/13/2017 7:00 AM 0.00 0.0 M M M
5/14/2017 7:00 AM 0.00 0.0 M M M
5/15/2017 7:00 AM 0.00 0.0 M M M
5/16/2017 7:00 AM T M M M M
5/17/2017 7:00 AM 0.03 M M M M
5/18/2017 7:00 AM 1.02 M M M M
5/19/2017 7:00 AM 2.64 M M M M Snow and rain
5/20/2017 7:00 AM 0.01 M M M M
5/21/2017 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
5/22/2017 7:00 AM 0.16 M M M M late afternoon rain shower. Cool temps
5/23/2017 7:00 AM 0.09 M M M M late afternoon showers
5/24/2017 7:00 AM 0.00 0.0 M M M
5/25/2017 7:00 AM 0.00 0.0 M M M
5/26/2017 7:00 AM 0.22 M M M M various showers/t-showers . . . one late morning, the other late afternoon with a squall line and then again around 11pm. all west to east movement.
5/27/2017 7:00 AM 0.02 M M M M
5/28/2017 7:00 AM 0.05 M M M M Evening thundershower around 6:30PM. Small rice sized hail. hail report filed. fast moving storms.
5/30/2017 7:00 AM T M M M M
5/31/2017 7:00 AM 0.00 0.0 M M M
6/1/2017 7:00 AM 0.00 0.0 M M M
6/3/2017 7:00 AM 0.05 M M M M
6/4/2017 7:00 AM 0.00 0.0 M M M
6/5/2017 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
6/12/2017 7:00 AM 0.00 0.0 M M M
6/13/2017 7:00 AM T M M M M Couple of big drops as a developing supercell passed over from SW to NE mid afternoon. Some thunder, but no lightning observed. One of those volatile June afternoons along the front range.
6/16/2017 7:00 AM 0.00 0.0 M M M
6/21/2017 7:00 AM 0.04 M M M M late day thundershower
6/23/2017 7:00 AM 0.07 M M M M Sent via CoCoRaHS Observer for iOS
7/4/2017 7:00 AM 0.09 M M M M 2PM brief shower, one roll of thunder
7/5/2017 7:00 AM T M M M M
7/6/2017 7:00 AM 0.00 0.0 M M M Smoke to the west around sunset
7/7/2017 7:00 AM 1.38 M M M M 1.30" fell in 20 minutes during a 3:10 - 3:30PM thunderstorm. Also produced pea sized hail. Both a significant Wx Report, as well as a hail report were filed.
7/8/2017 7:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
7/10/2017 7:00 AM 0.03 M M M M Brief late afternoon downpour
7/12/2017 7:00 AM 0.05 M M M M Sent via CoCoRaHS Observer for iOS
7/19/2017 7:00 AM 0.00 0.0 M M M
7/20/2017 7:00 AM T M M M M
7/21/2017 7:00 AM T M M M M
8/7/2017 7:00 AM 0.40 M M M M
8/8/2017 7:00 AM 0.15 M M M M Cloudy cool day . . . damp
8/9/2017 7:00 AM 0.07 M M M M
8/10/2017 7:00 AM 0.12 M M M M several short t-storms . . . little lightning, just some rolls of thunder
8/11/2017 7:00 AM 0.81 M M M M violent hailstorm at 3PM . . . the ferocity of this gust front was the most ferocious I have ever seen. Very little lightning and thunder. 3/4 inch hail has shredded leaves, tomato plants, etc.
8/12/2017 7:00 AM 0.02 M M M M
8/13/2017 7:00 AM 0.27 M M M M various short lived t-storms during the early afternoon.
8/14/2017 7:00 AM 0.02 M M M M
8/15/2017 7:00 AM 0.07 M M M M later afternoon thunderstorm . . . also some possible AM rain.
8/16/2017 7:00 AM 0.04 M M M M
8/17/2017 7:00 AM 0.00 0.0 M M M First day without precip in about two weeks
8/18/2017 7:00 AM T M M M M
8/19/2017 7:00 AM 0.00 0.0 M M M
8/20/2017 7:00 AM 0.00 0.0 M M M
8/21/2017 7:00 AM 0.00 0.0 M M M
8/22/2017 7:00 AM 0.00 0.0 M M M
8/23/2017 7:00 AM 0.00 0.0 M M M
9/4/2017 7:00 AM 0.00 0.0 M M M Smoky skies
9/5/2017 7:00 AM 0.00 0.0 M M M extreme smoke from Montana fires
9/7/2017 7:00 AM 0.00 0.0 M M M
9/8/2017 7:00 AM 0.00 0.0 M M M
9/11/2017 7:00 AM T M M M M
9/12/2017 7:00 AM 0.00 0.0 M M M
9/14/2017 7:00 AM T M M M M Sprinkles around 7PM
9/15/2017 7:00 AM T M M M M
9/16/2017 7:00 AM 0.15 M M M M Volley of evening thunderstorms coming from the southwest. About four separate ones in total The 10:30PM one had pea sized hail for five minutes. Filed a hail report.
9/24/2017 7:00 AM 0.97 M M M M
9/25/2017 7:00 AM 0.58 M M M M
9/27/2017 7:00 AM 0.03 M M M M Brief shower around 10:30PM, than some drizzle and mist over night. Nasty.
9/28/2017 7:00 AM 0.37 M M M M overnight rain
9/29/2017 7:00 AM 0.04 M M M M Temperature range for the day 49-52F
9/30/2017 7:00 AM 0.02 M M M M Later afternoon shower



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/10/2016 10/12/2016 7:00 AM 3 0.33 M M
3/22/2017 4/04/2017 7:00 AM 14 1.12 M M
6/24/2017 7/02/2017 7:00 AM 9 0.12 M M
7/13/2017 7/17/2017 7:00 AM 5 0.04 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
5/27/2017 6:20 PM Rice Rice Rice Soft 2 1min no damage Intermittent True After rain Same time as smaller hail
7/6/2017 3:10 PM 3/8" 1/4" Pea Size 1/4" Pea Size Soft|White Ice 10 2min no damage Continuous True After rain After smaller hail
9/15/2017 10:30 PM 1/4" Pea Size 1/4" Pea Size Rice Mixed|White Ice 8 1min no damage Intermittent True Same time as rain Same time as smaller hail