Station Overview Station Location
Station Number CO-BO-143 Latitude 40.2001
Station Name Longmont 2.1 N Longitude -105.1087
County Boulder Elevation (ft) 5049



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 0.99 1.02 31 1.02 31 0.00 0 0 10 0 12.4 7 7
Nov 19 0.78 1.71 30 1.71 30 0.00 0 0 7 2 17.6 6 15
Dec 19 0.54 0.20 31 0.20 31 0.00 0 0 2 3 1.8 1 18
Jan 20 0.36 0.01 31 0.01 31 0.00 0 0 1 3 0.2 1 0
Feb 20 0.45 0.87 29 0.87 29 0.00 0 0 11 2 14.5 11 23
March 20 1.48 1.50 31 1.50 31 0.00 0 0 8 1 5.3 3 4
April 20 1.84 2.27 30 2.27 30 0.00 0 0 10 0 21.6 6 9
May 20 2.32 2.09 31 2.09 31 0.00 0 0 9 0 0.0 0 0
June 20 1.76 1.33 30 1.33 30 0.00 0 0 7 5 0.0 0 0
July 20 1.31 0.82 31 0.82 31 0.00 0 0 7 3 0.0 0 0
Aug 20 1.37 0.86 31 0.86 31 0.00 0 0 5 2 0.0 0 0
Sept 20 1.31 0.97 30 0.97 30 0.00 0 0 5 1 1.7 1 1
Water Year Totals: 14.51" 13.65" 366 days 13.65" 366 0.00" 0 days 0 82 days 22 days 75.1" 36 days 77 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 0.08
10/2/2019 0.08
10/3/2019 0.01
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.00
10/9/2019 0.00
10/10/2019 0.04
10/11/2019 0.13
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.00
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 0.00
10/21/2019 0.00
10/22/2019 0.00
10/23/2019 0.00
10/24/2019 0.10
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.02
10/28/2019 0.23
10/29/2019 0.03
10/30/2019 0.30
10/31/2019 0.00
11/1/2019 0.00
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.02
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.04
11/12/2019 T
11/13/2019 0.00
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 0.00
11/19/2019 0.00
11/20/2019 0.00
11/21/2019 0.20
11/22/2019 0.12
11/23/2019 T
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 1.12
11/27/2019 0.18
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.03
12/1/2019 0.00
12/2/2019 0.00
12/3/2019 0.00
12/4/2019 0.00
12/5/2019 0.00
12/6/2019 0.12
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 0.00
12/10/2019 T
12/11/2019 0.00
12/12/2019 0.00
12/13/2019 0.00
12/14/2019 0.00
12/15/2019 T
12/16/2019 0.00
12/17/2019 0.00
12/18/2019 0.00
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.00
12/25/2019 0.00
12/26/2019 0.00
12/27/2019 0.00
12/28/2019 0.08
12/29/2019 T
12/30/2019 0.00
12/31/2019 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 0.00
1/4/2020 0.00
1/5/2020 0.00
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.00
1/9/2020 0.00
1/10/2020 0.00
1/11/2020 0.00
1/12/2020 0.00
1/13/2020 0.00
1/14/2020 T
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 T
1/19/2020 0.00
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.00
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 0.00
1/26/2020 0.00
1/27/2020 0.00
1/28/2020 T
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.01
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.04
2/4/2020 0.22
2/5/2020 0.02
2/6/2020 0.00
2/7/2020 0.08
2/8/2020 0.08
2/9/2020 0.02
2/10/2020 0.07
2/11/2020 0.11
2/12/2020 0.00
2/13/2020 0.17
2/14/2020 T
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.01
2/19/2020 0.00
2/20/2020 0.05
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.00
2/25/2020 T
2/26/2020 0.00
2/27/2020 0.00
2/28/2020 0.00
2/29/2020 0.00
3/1/2020 0.00
3/2/2020 0.09
3/3/2020 0.00
3/4/2020 0.00
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 0.00
3/8/2020 0.00
3/9/2020 0.22
3/10/2020 0.00
3/11/2020 0.00
3/12/2020 0.00
3/13/2020 0.00
3/14/2020 0.03
3/15/2020 0.00
3/16/2020 0.00
3/17/2020 0.02
3/18/2020 0.00
3/19/2020 0.01
3/20/2020 0.98
3/21/2020 T
3/22/2020 0.00
3/23/2020 0.00
3/24/2020 0.00
3/25/2020 0.00
3/26/2020 0.00
3/27/2020 0.00
3/28/2020 0.13
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.03
4/3/2020 0.06
4/4/2020 0.00
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.00
4/9/2020 0.00
4/10/2020 0.00
4/11/2020 0.00
4/12/2020 0.46
4/13/2020 0.19
4/14/2020 0.05
4/15/2020 0.00
4/16/2020 1.20
4/17/2020 0.21
4/18/2020 0.00
4/19/2020 0.00
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.00
4/23/2020 0.01
4/24/2020 0.02
4/25/2020 0.04
4/26/2020 0.00
4/27/2020 0.00
4/28/2020 0.00
4/29/2020 0.00
4/30/2020 0.00
5/1/2020 0.00
5/2/2020 0.00
5/3/2020 0.16
5/4/2020 0.34
5/5/2020 0.00
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 0.00
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.00
5/12/2020 0.24
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.11
5/16/2020 0.33
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 0.00
5/25/2020 0.88
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.01
5/29/2020 0.00
5/30/2020 0.01
5/31/2020 0.01
6/1/2020 0.00
6/2/2020 0.00
6/3/2020 0.00
6/4/2020 T
6/5/2020 0.00
6/6/2020 T
6/7/2020 0.12
6/8/2020 0.00
6/9/2020 0.52
6/10/2020 T
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.06
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.53
6/20/2020 0.04
6/21/2020 0.00
6/22/2020 T
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 T
6/26/2020 0.00
6/27/2020 0.04
6/28/2020 0.00
6/29/2020 0.02
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.05
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 0.00
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 T
7/15/2020 0.01
7/16/2020 0.00
7/17/2020 T
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 T
7/22/2020 0.00
7/23/2020 0.03
7/24/2020 0.00
7/25/2020 0.15
7/26/2020 0.01
7/27/2020 0.03
7/28/2020 0.00
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 0.54
8/1/2020 0.46
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 0.02
8/5/2020 0.19
8/6/2020 T
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 0.00
8/20/2020 0.00
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020 0.00
8/27/2020 0.01
8/28/2020 0.00
8/29/2020 0.18
8/30/2020 T
8/31/2020 0.00
9/1/2020 0.05
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.23
9/9/2020 0.61
9/10/2020 0.06
9/11/2020 0.02
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 T
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.08 0.0 M M M
10/2/2019 7:00 AM 0.08 0.0 M M M Light drizzle continuing at obs time. Storm total 0.16".
10/3/2019 7:00 AM 0.01 0.0 M M M Drizzle ended late morning, total storm precip 0.17".
10/4/2019 7:00 AM 0.00 0.0 M M M Min temp 36.6°
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 6:35 AM 0.00 0.0 M M M Current temp and min 28.5°
10/8/2019 7:00 AM 0.00 0.0 M M M
10/9/2019 7:00 AM 0.00 0.0 M M M
10/10/2019 7:00 AM 0.04 0.2 M T M Snowfall beginning to increase at obs time; band on NWS radar showing. Temperature spread of 51° midn-midn Wednesday with high of 81° and low of 30°.
10/11/2019 7:00 AM 0.13 2.2 M 1.5 M storm totals 2.4" snowfall; 0.17" pcpn. Min temp 16°.
10/12/2019 7:00 AM 0.00 0.0 M T M
10/13/2019 7:00 AM 0.00 0.0 M 0.0 M
10/14/2019 7:00 AM 0.00 0.0 M 0.0 M
10/15/2019 7:00 AM 0.00 0.0 M 0.0 M
10/16/2019 7:00 AM 0.00 0.0 M 0.0 M
10/17/2019 7:00 AM 0.00 0.0 M 0.0 M
10/18/2019 6:30 AM 0.00 0.0 M 0.0 M
10/19/2019 7:00 AM 0.00 0.0 M 0.0 M
10/20/2019 7:00 AM 0.00 0.0 M 0.0 M
10/21/2019 7:00 AM 0.00 0.0 M 0.0 M
10/22/2019 7:00 AM 0.00 0.0 M 0.0 M
10/23/2019 7:00 AM 0.00 0.0 M 0.0 M
10/24/2019 7:00 AM 0.10 1.5 M 1.5 M Skies clear at obs time.
10/25/2019 7:00 AM 0.00 0.0 M 0.0 M
10/26/2019 7:00 AM 0.00 0.0 M 0.0 M
10/27/2019 7:00 AM 0.02 0.4 M 0.5 M Current temp 24.4°; light, fluffy snow.
10/28/2019 7:00 AM 0.23 3.0 M 3.0 M Storm totals 3.4" snowfall; 0.25" pcpn.
10/29/2019 7:00 AM 0.03 1.5 M 3.0 M
10/30/2019 7:00 AM 0.30 3.6 M 5.0 M Mostly clear; temp 5°. Storm totals: 5.1" snowfall; 0.33" pcpn.
10/31/2019 7:00 AM 0.00 0.0 M 4.5 M Min temp 0.0°
11/1/2019 7:00 AM 0.00 0.0 M 2.5 M
11/2/2019 7:00 AM 0.00 0.0 M 1.5 M
11/3/2019 7:00 AM 0.00 0.0 M 1.0 M
11/4/2019 7:00 AM 0.00 0.0 M 0.5 M
11/5/2019 7:00 AM 0.00 0.0 M T M
11/6/2019 7:00 AM 0.00 0.0 M T M
11/7/2019 7:00 AM 0.02 T M T M
11/8/2019 7:00 AM 0.00 0.0 M 0.0 M
11/9/2019 7:00 AM 0.00 0.0 M 0.0 M
11/10/2019 7:00 AM 0.00 0.0 M 0.0 M
11/11/2019 7:00 AM 0.04 1.6 M 1.5 M Very dry snow; 40:1 snow to liquid ratio.
11/12/2019 7:00 AM T T M 0.5 M
11/13/2019 7:00 AM 0.00 0.0 M 0.0 M
11/14/2019 7:00 AM 0.00 0.0 M 0.0 M
11/15/2019 7:00 AM 0.00 0.0 M 0.0 M
11/16/2019 7:00 AM 0.00 0.0 M 0.0 M
11/17/2019 7:00 AM 0.00 0.0 M 0.0 M
11/18/2019 7:00 AM 0.00 0.0 M 0.0 M
11/19/2019 7:00 AM 0.00 0.0 M 0.0 M
11/20/2019 7:00 AM 0.00 0.0 M 0.0 M
11/21/2019 7:00 AM 0.20 0.8 M 0.5 M Tenth of an inch of rain started late afternoon, then wet snow ending late evening.
11/22/2019 7:00 AM 0.12 1.5 M 2.0 M
11/23/2019 7:00 AM T T M 1.0 M
11/24/2019 7:00 AM 0.00 0.0 M 0.5 M
11/25/2019 7:00 AM 0.00 0.0 M T M
11/26/2019 6:00 AM 1.12 10.5 1.12 10.5 1.12
11/27/2019 7:00 AM 0.18 3.0 M 13.0 M Storm totals 13.5" snowfall; 1.30" liquid. Current temp and min -4°.
11/28/2019 7:00 AM 0.00 0.0 M 12.0 M
11/29/2019 7:00 AM 0.00 0.0 M 11.0 M
11/30/2019 7:00 AM 0.03 0.2 M 10.0 M
12/1/2019 7:00 AM 0.00 0.0 M 8.0 M
12/2/2019 7:00 AM 0.00 0.0 M 7.0 M
12/3/2019 7:00 AM 0.00 0.0 M 5.5 M
12/4/2019 7:00 AM 0.00 0.0 M 3.5 M
12/5/2019 7:00 AM 0.00 0.0 M 3.0 M
12/6/2019 7:00 AM 0.12 0.0 M 2.0 M
12/7/2019 7:00 AM 0.00 0.0 M 2.0 M
12/8/2019 7:00 AM 0.00 0.0 M 1.5 M
12/9/2019 7:00 AM 0.00 0.0 M 1.0 M
12/10/2019 7:00 AM T T M 1.0 M A few flakes around noontime.
12/11/2019 7:00 AM 0.00 0.0 M 1.0 M
12/12/2019 7:00 AM 0.00 0.0 M 0.5 M
12/13/2019 7:00 AM 0.00 0.0 M 0.5 M
12/14/2019 7:00 AM 0.00 0.0 M 0.5 M
12/15/2019 7:00 AM T T M T M
12/16/2019 7:00 AM 0.00 0.0 M T M
12/17/2019 7:00 AM 0.00 0.0 M T M
12/18/2019 7:00 AM 0.00 0.0 M T M
12/19/2019 7:00 AM 0.00 0.0 M T M
12/20/2019 7:00 AM 0.00 0.0 M T M
12/21/2019 7:00 AM 0.00 0.0 M T M
12/22/2019 7:00 AM 0.00 0.0 M 0.0 M
12/23/2019 7:00 AM 0.00 0.0 M 0.0 M
12/24/2019 7:00 AM 0.00 0.0 M 0.0 M
12/25/2019 7:00 AM 0.00 0.0 M 0.0 M
12/26/2019 7:00 AM 0.00 0.0 M 0.0 M
12/27/2019 7:00 AM 0.00 0.0 M 0.0 M
12/28/2019 7:00 AM 0.08 1.8 M 2.0 M
12/29/2019 7:00 AM T T M 1.5 M
12/30/2019 7:00 AM 0.00 0.0 M 1.0 M
12/31/2019 7:00 AM 0.00 0.0 M 0.5 M
1/1/2020 7:00 AM 0.00 0.0 M T M CY2019 precip 16.38", more than two inches above normal. Rainfall spread out nicely over the growing season months. WY2020 off to a good start with the Oct & Nov water equiv. from heavy snowfall.
1/2/2020 7:00 AM 0.00 0.0 M T M
1/3/2020 7:00 AM 0.00 0.0 M 0.0 M
1/4/2020 7:00 AM 0.00 0.0 M 0.0 M
1/5/2020 7:00 AM 0.00 0.0 M 0.0 M
1/6/2020 7:00 AM 0.00 0.0 M 0.0 M
1/7/2020 7:00 AM 0.00 0.0 M 0.0 M
1/8/2020 7:00 AM 0.00 0.0 M 0.0 M
1/9/2020 7:00 AM 0.00 0.0 M 0.0 M
1/10/2020 7:00 AM 0.00 0.0 M 0.0 M
1/11/2020 7:00 AM 0.00 0.0 M 0.0 M
1/12/2020 7:00 AM 0.00 0.0 M 0.0 M
1/13/2020 7:00 AM 0.00 0.0 M 0.0 M
1/14/2020 7:00 AM T T M 0.0 M Brief snow shower moved off the foothills into town mid afternoon.
1/15/2020 7:00 AM 0.00 0.0 M 0.0 M
1/16/2020 7:00 AM 0.00 0.0 M 0.0 M
1/17/2020 7:00 AM 0.00 0.0 M 0.0 M
1/18/2020 7:00 AM T 0.0 M 0.0 M
1/19/2020 7:00 AM 0.00 0.0 M 0.0 M
1/20/2020 7:00 AM 0.00 0.0 M 0.0 M
1/21/2020 7:00 AM 0.00 0.0 M 0.0 M
1/22/2020 7:00 AM 0.00 0.0 M 0.0 M
1/23/2020 7:00 AM 0.00 0.0 M 0.0 M
1/24/2020 7:00 AM 0.00 0.0 M 0.0 M
1/25/2020 7:00 AM 0.00 0.0 M 0.0 M
1/26/2020 7:00 AM 0.00 0.0 M 0.0 M
1/27/2020 7:00 AM 0.00 0.0 M 0.0 M
1/28/2020 7:00 AM T T M 0.0 M
1/29/2020 7:00 AM 0.00 0.0 M 0.0 M
1/30/2020 7:00 AM 0.00 0.0 M 0.0 M
1/31/2020 7:00 AM 0.01 0.2 M T M First measurable pcpn/snowfall for the month.
2/1/2020 7:00 AM 0.00 0.0 M 0.0 M
2/2/2020 7:00 AM 0.00 0.0 M 0.0 M
2/3/2020 7:00 AM 0.04 0.1 M T M Freezing drizzle and very light snow at 7am.
2/4/2020 7:00 AM 0.22 4.1 M 4.0 M Storm totals at 7am; 4.2" snowfall; 0.26" pcpn.
2/5/2020 7:00 AM 0.02 0.5 M 4.0 M Mostly clear skies; current temp and min -8.3F. Storm totals 4.7" snowfall; 0.28" pcpn.
2/6/2020 7:00 AM 0.00 0.0 M 3.5 M
2/7/2020 7:00 AM 0.08 1.2 M 4.0 M
2/8/2020 7:00 AM 0.08 1.4 M 5.0 M Storm totals 2.6" snowfall; 0.16" pcpn.
2/9/2020 7:00 AM 0.02 0.5 M 3.5 M
2/10/2020 7:00 AM 0.07 0.9 M 4.5 M Storm totals 1.4" snow; 0.09" pcpn. Measurable snowfall on 7 of last 8 daily reports going back to 2/3.
2/11/2020 7:00 AM 0.11 1.3 M 5.5 M Clear skies; temp 6°.
2/12/2020 7:00 AM 0.00 0.0 M 4.5 M
2/13/2020 7:00 AM 0.17 3.2 M 7.0 M
2/14/2020 7:00 AM T T M 6.5 M
2/15/2020 7:00 AM 0.00 0.0 M 3.5 M A good 3 inches of snowmelt yesterday.
2/16/2020 7:00 AM 0.00 0.0 M 3.0 M
2/17/2020 7:00 AM 0.00 0.0 M 2.5 M
2/18/2020 7:00 AM 0.01 0.1 M 2.5 M
2/19/2020 7:00 AM 0.00 0.0 M 2.0 M
2/20/2020 7:00 AM 0.05 1.2 M 3.5 M Min temp -4°F.
2/21/2020 7:00 AM 0.00 0.0 M 3.0 M
2/22/2020 7:00 AM 0.00 0.0 M 2.0 M
2/23/2020 7:00 AM 0.00 0.0 M 0.5 M
2/24/2020 7:00 AM 0.00 0.0 M 0.5 M
2/25/2020 7:00 AM T T M 0.5 M Brief snow shower just after 7am yesterday.
2/26/2020 7:00 AM 0.00 0.0 M 0.5 M
2/27/2020 7:00 AM 0.00 0.0 M T M
2/28/2020 7:00 AM 0.00 0.0 M T M
2/29/2020 7:00 AM 0.00 0.0 M 0.0 M
3/1/2020 7:00 AM 0.00 0.0 M 0.0 M
3/2/2020 7:00 AM 0.09 1.1 M 1.0 M
3/3/2020 7:00 AM 0.00 0.0 M 0.0 M
3/4/2020 7:00 AM 0.00 0.0 M 0.0 M
3/5/2020 7:00 AM 0.00 0.0 M 0.0 M
3/6/2020 7:00 AM 0.00 0.0 M 0.0 M
3/7/2020 7:00 AM 0.00 0.0 M 0.0 M
3/8/2020 7:00 AM 0.00 0.0 M 0.0 M
3/9/2020 7:00 AM 0.22 0.0 M 0.0 M
3/10/2020 7:00 AM 0.00 0.0 M 0.0 M
3/11/2020 7:00 AM 0.00 0.0 M 0.0 M
3/12/2020 7:00 AM 0.00 0.0 M 0.0 M
3/13/2020 7:00 AM 0.00 0.0 M 0.0 M
3/14/2020 6:30 AM 0.03 T M 0.0 M
3/15/2020 7:00 AM 0.00 0.0 M 0.0 M
3/16/2020 7:00 AM 0.00 0.0 M 0.0 M
3/17/2020 7:00 AM 0.02 0.0 M 0.0 M
3/18/2020 7:00 AM 0.00 0.0 M 0.0 M
3/19/2020 7:00 AM 0.01 0.0 M 0.0 M
3/20/2020 7:00 AM 0.98 4.1 M 4.0 M Storm totals 4.1" snowfall; 0.99" pcpn. Precip total includes 0.35" rainfall before snow began.
3/21/2020 7:00 AM T T M 3.5 M
3/22/2020 7:00 AM 0.00 0.0 M 0.5 M Rapid snowmelt yesterday with springtime sun.
3/23/2020 7:00 AM 0.00 0.0 M 0.0 M
3/24/2020 7:00 AM 0.00 0.0 M 0.0 M
3/25/2020 7:00 AM 0.00 0.0 M 0.0 M
3/26/2020 7:00 AM 0.00 0.0 M 0.0 M
3/27/2020 7:00 AM 0.00 0.0 M 0.0 M
3/28/2020 7:00 AM 0.13 0.1 M T M
3/29/2020 7:00 AM 0.00 0.0 M 0.0 M
3/30/2020 7:00 AM 0.00 0.0 M 0.0 M
3/31/2020 7:00 AM 0.02 0.0 M 0.0 M Rain shower early evening.
4/1/2020 7:00 AM 0.00 0.0 M 0.0 M
4/2/2020 7:00 AM 0.03 0.0 M 0.0 M Corrected pcpn amount due to melted down ice on gauge.
4/3/2020 7:00 AM 0.06 0.9 M 1.0 M
4/4/2020 6:00 AM 0.00 0.0 M 0.0 M
4/5/2020 7:00 AM 0.00 0.0 M 0.0 M
4/6/2020 7:00 AM 0.00 0.0 M 0.0 M
4/7/2020 7:00 AM 0.00 0.0 M 0.0 M
4/8/2020 7:00 AM 0.00 0.0 M 0.0 M
4/9/2020 7:00 AM 0.00 0.0 M 0.0 M
4/10/2020 7:00 AM 0.00 0.0 M 0.0 M
4/11/2020 7:00 AM 0.00 0.0 M 0.0 M
4/12/2020 7:30 AM 0.46 6.5 M 6.5 M Average of 6.5" snowfall front & back yard, max drifting to 8".
4/13/2020 7:00 AM 0.19 2.5 M 6.5 M Light snow most of daylight hours yesterday with temps never getting out of 20s, yet my snow cover from early morning decreased by a couple of inches. Then 2.5" new snow overnight.
4/14/2020 7:00 AM 0.05 0.2 M 5.0 M Clear skies; min temp 10°. Storm totals: 9.2" snowfall; 0.70" pcpn.
4/15/2020 7:00 AM 0.00 0.0 M 0.5 M
4/16/2020 7:00 AM 1.20 10.0 M 10.0 1.14
4/17/2020 7:00 AM 0.21 1.5 M 10.0 M Storm totals: 11.5" snowfall; 1.41" pcpn. Min temp 4.6°F.
4/18/2020 7:00 AM 0.00 0.0 M 4.5 M
4/19/2020 7:00 AM 0.00 0.0 M 2.5 M
4/20/2020 7:00 AM 0.00 0.0 M 0.0 M
4/21/2020 7:00 AM 0.00 0.0 M 0.0 M
4/22/2020 7:00 AM 0.00 0.0 M 0.0 M
4/23/2020 7:00 AM 0.01 0.0 M 0.0 M Brief late afternoon rain shower.
4/24/2020 7:00 AM 0.02 0.0 M 0.0 M Rain shower after midnight.
4/25/2020 7:00 AM 0.04 0.0 M 0.0 M Several measurable rain showers during day; brief graupel around noontime.
4/26/2020 7:00 AM 0.00 0.0 M 0.0 M
4/27/2020 7:00 AM 0.00 0.0 M 0.0 M
4/28/2020 7:00 AM 0.00 0.0 M 0.0 M
4/29/2020 7:00 AM 0.00 0.0 M 0.0 M
4/30/2020 7:00 AM 0.00 0.0 M 0.0 M
5/1/2020 7:00 AM 0.00 0.0 M 0.0 M High temp of 81° yesterday didn't occur until 6:37pm MDT.
5/2/2020 6:30 AM 0.00 0.0 M 0.0 M
5/3/2020 7:00 AM 0.16 0.0 M 0.0 M A hundredth from drizzle during morning; 0.15" from TRW after dark.
5/4/2020 7:00 AM 0.34 0.0 M 0.0 M Brief downpour around 11:15pm with very small hail, then occasional showers after midnight. Showers moving out at obs time.
5/5/2020 7:00 AM 0.00 0.0 M 0.0 M Min temp 32.3°; very light frost.
5/6/2020 7:00 AM 0.00 0.0 M 0.0 M
5/7/2020 7:00 AM 0.00 0.0 M 0.0 M
5/8/2020 7:00 AM 0.00 0.0 M 0.0 M
5/9/2020 7:00 AM 0.00 0.0 M 0.0 M
5/10/2020 7:00 AM 0.00 0.0 M 0.0 M
5/11/2020 7:00 AM 0.00 0.0 M M M
5/12/2020 7:00 AM 0.24 0.0 M M M
5/13/2020 7:00 AM 0.00 0.0 M M M
5/14/2020 7:00 AM 0.00 0.0 M M M
5/15/2020 7:00 AM 0.11 0.0 M M M Brief heavy T-storm mid afternoon.
5/16/2020 7:00 AM 0.33 0.0 M M M Evening T-storms...I had a rare matching of 0.33" from my electronic gauge and both my main & backup COCORaHS gauges located at different points in the backyard.
5/17/2020 7:00 AM 0.00 0.0 M M M
5/18/2020 7:00 AM 0.00 0.0 M M M
5/19/2020 7:00 AM 0.00 0.0 M M M
5/20/2020 7:00 AM 0.00 0.0 M M M
5/21/2020 7:00 AM 0.00 0.0 M M M
5/22/2020 7:00 AM 0.00 0.0 M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM 0.00 0.0 M M M
5/25/2020 7:00 AM 0.88 0.0 M M M Heavy rain during afternoon, no thunder. Morning min temp 37.8°
5/26/2020 7:00 AM 0.00 0.0 M M M Another chilly morning with min temp 37.6°
5/27/2020 7:00 AM 0.00 0.0 M M M
5/28/2020 7:00 AM 0.01 0.0 M M M
5/29/2020 7:00 AM 0.00 0.0 M M M
5/30/2020 6:30 AM 0.01 0.0 M M M
5/31/2020 7:00 AM 0.01 0.0 M M M
6/1/2020 7:00 AM 0.00 0.0 M M M
6/2/2020 7:00 AM 0.00 0.0 M M M
6/3/2020 7:00 AM 0.00 0.0 M M M
6/4/2020 6:00 AM T 0.0 M M M
6/5/2020 7:00 AM 0.00 0.0 M M M
6/6/2020 7:00 AM T 0.0 M M M
6/7/2020 6:00 AM 0.12 0.0 M M M
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:00 AM 0.52 0.0 M M M
6/10/2020 7:00 AM T 0.0 M M M Clear skies; min temp 42.8°
6/11/2020 7:00 AM 0.00 0.0 M M M
6/12/2020 6:30 AM 0.00 0.0 M M M
6/13/2020 7:00 AM 0.00 0.0 M M M
6/14/2020 6:30 AM 0.06 0.0 M M M
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M
6/18/2020 7:00 AM 0.00 0.0 M M M
6/19/2020 7:00 AM 0.53 0.0 M M M Light to moderate rain overnight, decreasing at obs time.
6/20/2020 7:00 AM 0.04 0.0 M M M Min temp 44.2°; total storm rainfall 0.57"
6/21/2020 7:00 AM 0.00 0.0 M M M
6/22/2020 7:00 AM T 0.0 M M M
6/23/2020 7:00 AM 0.00 0.0 M M M
6/24/2020 7:00 AM 0.00 0.0 M M M
6/25/2020 7:00 AM T 0.0 M M M
6/26/2020 7:00 AM 0.00 0.0 M M M
6/27/2020 6:00 AM 0.04 0.0 M M M
6/28/2020 7:00 AM 0.00 0.0 M M M
6/29/2020 6:15 AM 0.02 0.0 M M M
6/30/2020 7:00 AM 0.00 0.0 M M M
7/1/2020 6:00 AM 0.05 0.0 M M M Rain shower mid morning /.02/ then sunny and dry rest of day. Overnight, thunder and light rain just after midnight /.03/.
7/2/2020 7:00 AM 0.00 0.0 M M M
7/3/2020 7:00 AM 0.00 0.0 M M M
7/4/2020 7:00 AM 0.00 0.0 M M M
7/5/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:00 AM 0.00 0.0 M M M
7/7/2020 7:00 AM 0.00 0.0 M M M
7/8/2020 7:00 AM 0.00 0.0 M M M
7/9/2020 7:00 AM 0.00 0.0 M M M
7/10/2020 7:00 AM 0.00 0.0 M M M
7/11/2020 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 0.00 0.0 M M M
7/14/2020 7:00 AM T 0.0 M M M
7/15/2020 7:00 AM 0.01 0.0 M M M Shower around midnight; first measurable in two weeks.
7/16/2020 7:00 AM 0.00 0.0 M M M
7/17/2020 7:00 AM T 0.0 M M M
7/18/2020 7:00 AM 0.00 0.0 M M M
7/19/2020 6:30 AM 0.00 0.0 M M M
7/20/2020 7:00 AM 0.00 0.0 M M M
7/21/2020 7:00 AM T 0.0 M M M
7/22/2020 7:00 AM 0.00 0.0 M M M
7/23/2020 7:00 AM 0.03 0.0 M M M
7/24/2020 7:00 AM 0.00 0.0 M M M
7/25/2020 7:00 AM 0.15 0.0 M M M
7/26/2020 7:00 AM 0.01 0.0 M M M
7/27/2020 7:00 AM 0.03 0.0 M M M Light afternoon shower for my report #7000; started CoCoRaHS 3-31-2001.
7/28/2020 7:00 AM 0.00 0.0 M M M
7/29/2020 7:00 AM 0.00 0.0 M M M
7/30/2020 7:00 AM 0.00 0.0 M M M
7/31/2020 7:00 AM 0.54 0.0 M M M Heaviest single T-storm so far this season at my location, late afternoon.
8/1/2020 7:00 AM 0.46 0.0 M M M Two-day rain total exactly 1.00". Lowest min temp Sat. in weeks at 51.8°. New CoCoRaHS interactive maps look great at first glance.
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
8/4/2020 7:00 AM 0.02 0.0 M M M
8/5/2020 7:00 AM 0.19 0.0 M M M Brief hail at 545pm, mostly 1/4"-1/2" size.
8/6/2020 7:00 AM T 0.0 M M M
8/7/2020 7:00 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 7:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.00 0.0 M M M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 6:30 AM 0.00 0.0 M M M
8/16/2020 7:00 AM 0.00 0.0 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 0.00 0.0 M M M
8/21/2020 7:00 AM 0.00 0.0 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
8/25/2020 7:00 AM 0.00 0.0 M M M
8/26/2020 7:00 AM 0.00 0.0 M M M
8/27/2020 7:00 AM 0.01 0.0 M M M
8/28/2020 7:00 AM 0.00 0.0 M M M
8/29/2020 7:00 AM 0.18 0.0 M M M
8/30/2020 7:00 AM T 0.0 M M M
8/31/2020 7:00 AM 0.00 0.0 M M M Min temp 46°, my coolest since June 20.
9/1/2020 7:00 AM 0.05 0.0 M M M
9/2/2020 7:00 AM 0.00 0.0 M M M
9/3/2020 7:00 AM 0.00 0.0 M M M
9/4/2020 7:00 AM 0.00 0.0 M M M
9/5/2020 7:00 AM 0.00 0.0 M M M
9/6/2020 7:00 AM 0.00 0.0 M M M
9/7/2020 7:00 AM 0.00 0.0 M M M
9/8/2020 7:00 AM 0.23 0.0 M 0.0 M
9/9/2020 7:00 AM 0.61 1.7 M 1.5 M Storm totals: 1.7" snowfall; 0.84" pcpn.
9/10/2020 7:00 AM 0.06 T M 0.0 M Storm total precip 0.90"
9/11/2020 7:00 AM 0.02 0.0 M 0.0 M
9/12/2020 7:00 AM 0.00 0.0 M 0.0 M
9/13/2020 7:00 AM 0.00 0.0 M 0.0 M
9/14/2020 7:00 AM 0.00 0.0 M 0.0 M
9/15/2020 7:00 AM 0.00 0.0 M 0.0 M
9/16/2020 7:00 AM 0.00 0.0 M 0.0 M
9/17/2020 7:00 AM 0.00 0.0 M 0.0 M
9/18/2020 7:00 AM 0.00 0.0 M 0.0 M
9/19/2020 7:00 AM 0.00 0.0 M 0.0 M
9/20/2020 7:00 AM 0.00 0.0 M 0.0 M
9/21/2020 7:00 AM 0.00 0.0 M 0.0 M
9/22/2020 7:00 AM 0.00 0.0 M 0.0 M
9/23/2020 7:00 AM 0.00 0.0 M 0.0 M
9/24/2020 7:00 AM 0.00 0.0 M 0.0 M
9/25/2020 7:00 AM 0.00 0.0 M 0.0 M
9/26/2020 7:00 AM 0.00 0.0 M 0.0 M
9/27/2020 7:00 AM 0.00 0.0 M 0.0 M
9/28/2020 7:00 AM T 0.0 M 0.0 M Brief evening rain shower; morning min temp 34°
9/29/2020 7:00 AM 0.00 0.0 M 0.0 M
9/30/2020 7:00 AM 0.00 0.0 M 0.0 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
5/3/2020 11:15 PM Rice Rice Rice Soft 5 no damage True After rain Same time as smaller hail
8/4/2020 5:45 PM 5/8" 3/8" 1/4" Pea Size Hard 7 1min no damage Continuous True After rain After smaller hail