Station Overview Station Location
Station Number CO-GR-71 Latitude 40.254314
Station Name Grand Lake 1.4 W Longitude -105.848575
County Grand Elevation (ft) 8664



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 1.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 19 1.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 19 1.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 1.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 20 1.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 20 1.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 1.60 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 1.69 0.47 6 0.47 6 0.00 0 0 3 0 0.0 0 0
June 20 1.54 0.20 3 0.20 3 0.00 0 0 2 0 0.0 0 0
July 20 1.80 0.54 20 0.54 20 0.00 0 0 10 2 0.0 0 0
Aug 20 2.16 0.02 14 0.02 14 0.00 0 0 1 2 0.0 0 0
Sept 20 1.74 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 18.40" 1.23" 43 days 1.23" 43 0.00" 0 days 0 16 days 4 days 0.0" 0 days 0 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
10/2/2019
10/3/2019
10/4/2019
10/5/2019
10/6/2019
10/7/2019
10/8/2019
10/9/2019
10/10/2019
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
10/28/2019
10/29/2019
10/30/2019
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
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
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
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
12/15/2019
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
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
1/31/2020
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020
2/6/2020
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020
2/12/2020
2/13/2020
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
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
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020
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
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020 0.00
5/24/2020 0.04
5/25/2020 0.40
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.03
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020
6/8/2020
6/9/2020
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
6/20/2020
6/21/2020
6/22/2020 0.17
6/23/2020 0.00
6/24/2020 0.03
6/25/2020
6/26/2020
6/27/2020
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 0.00
7/5/2020 0.07
7/6/2020 T
7/7/2020
7/8/2020 0.00
7/9/2020
7/10/2020
7/11/2020
7/12/2020 0.00
7/13/2020 0.03
7/14/2020
7/15/2020 0.04
7/16/2020 0.00
7/17/2020
7/18/2020 0.07
7/19/2020 0.11
7/20/2020 0.00
7/21/2020
7/22/2020 0.00
7/23/2020 0.07
7/24/2020 0.01
7/25/2020 0.01
7/26/2020 0.04
7/27/2020 0.00
7/28/2020 T
7/29/2020 0.09
7/30/2020 0.00
7/31/2020
8/1/2020 0.00
8/2/2020 0.00
8/3/2020 0.00
8/4/2020
8/5/2020 0.00
8/6/2020 0.00
8/7/2020 0.02
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 0.00
8/18/2020 0.00
8/19/2020 0.00
8/20/2020 T
8/21/2020 T
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020
8/26/2020
8/27/2020
8/28/2020
8/29/2020
8/30/2020
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
9/9/2020
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
5/23/2020 7:00 AM 0.00 0.0 M M M Columbine Lake - will be reporting from this location for a few days.
5/24/2020 7:00 AM 0.04 M M M M
5/25/2020 7:00 AM 0.40 M M M M Much fell as wet snow / rain snow mix.
5/26/2020 7:00 AM 0.00 0.0 M M M Had a shower or two of graupel afternoon of 5/25/2020, but not enough in the rain gauge for a 'T.'
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.03 M M M M
6/22/2020 7:00 AM 0.17 M M M M From Columbine Lake Country Club; a couple bursts of moderate rain and strong winds.
6/23/2020 7:00 AM 0.00 0.0 M M M
6/24/2020 7:00 AM 0.03 M M M M
7/4/2020 7:00 AM 0.00 0.0 M M M Will be reporting here for much of summer 2020.
7/5/2020 7:00 AM 0.07 M M M M
7/6/2020 7:00 AM T M M M M
7/8/2020 7:00 AM 0.00 0.0 M M M
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:00 AM 0.03 M M M M Early a.m. (7/13/2020) rain shower)
7/15/2020 7:00 AM 0.04 M M M M
7/16/2020 7:00 AM 0.00 0.0 M M M
7/18/2020 7:00 AM 0.07 M M M M
7/19/2020 7:00 AM 0.11 M M M M
7/20/2020 7:00 AM 0.00 0.0 M M M
7/22/2020 7:00 AM 0.00 0.0 M M M
7/23/2020 7:00 AM 0.07 M M M M
7/24/2020 7:00 AM 0.01 M M M M
7/25/2020 7:00 AM 0.01 M M M M
7/26/2020 7:00 AM 0.04 M M M M
7/27/2020 7:00 AM 0.00 0.0 M M M
7/28/2020 7:00 AM T M M M M
7/29/2020 7:00 AM 0.09 M M M M
7/30/2020 7:00 AM 0.00 0.0 M M M
8/1/2020 7:00 AM 0.00 0.0 M M M
8/2/2020 7:00 AM 0.00 0.0 M M M
8/3/2020 7:00 AM 0.00 0.0 M M M
8/5/2020 7:00 AM 0.00 0.0 M M M
8/6/2020 7:00 AM 0.00 0.0 M M M
8/7/2020 7:00 AM 0.02 M M M M
8/17/2020 7:00 AM 0.00 0.0 M M M
8/18/2020 7:00 AM 0.00 0.0 M M M
8/19/2020 7:00 AM 0.00 0.0 M M M
8/20/2020 7:00 AM T M M M M A couple of brief t-showers whizzed by. Wind but little precip. Lots of virga could be seen under nearby t-showers.
8/21/2020 7:00 AM T M M M M
8/22/2020 7:00 AM 0.00 0.0 M M M
8/23/2020 7:00 AM 0.00 0.0 M M M
8/24/2020 7:00 AM 0.00 0.0 M 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