Station Overview Station Location
Station Number CO-BO-435 Latitude 40.1404
Station Name Longmont 3.0 SW Longitude -105.149
County Boulder Elevation (ft) 5036



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 1.00 1.28 27 0.96 26 0.32 1 1 7 0 9.1 6 7
Nov 19 0.88 1.81 29 1.28 14 0.53 15 2 1 1 12.1 2 7
Dec 19 0.55 0.03 30 0.03 30 0.00 0 0 1 1 1.5 1 13
Jan 20 0.38 0.00 31 0.00 31 0.00 0 0 0 0 0.0 0 1
Feb 20 0.48 1.00 29 1.00 29 0.00 0 0 10 1 16.4 8 21
March 20 1.48 1.25 30 1.25 27 0.00 3 1 6 1 6.2 2 3
April 20 1.72 1.39 30 1.39 30 0.00 0 0 4 5 20.5 5 8
May 20 2.34 1.35 31 1.35 31 0.00 0 0 5 0 0.0 0 0
June 20 1.77 1.60 30 0.96 28 0.64 2 1 6 0 0.0 0 0
July 20 1.24 0.59 30 0.59 30 0.00 0 0 7 1 0.0 0 0
Aug 20 1.34 0.49 31 0.49 27 0.00 4 1 7 0 0.0 0 0
Sept 20 1.41 0.87 30 0.87 25 0.00 5 1 5 0 1.5 1 1
Water Year Totals: 14.59" 11.66" 358 days 10.17" 328 1.49" 30 days 7 59 days 10 days 67.3" 25 days 61 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 0.32
10/2/2019 0.13
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019
10/8/2019
10/9/2019 0.00
10/10/2019 0.05
10/11/2019 0.15
10/12/2019 0.00
10/13/2019 0.00
10/14/2019
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 0.15
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.06
10/28/2019 0.32
10/29/2019 0.10
10/30/2019
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
11/7/2019 0.00
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 T
11/12/2019 0.00
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 0.28
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 1.28
11/27/2019 **
11/28/2019 **
11/29/2019 **
11/30/2019 0.25
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 0.00
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 0.00
12/10/2019 0.00
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
12/25/2019 0.00
12/26/2019 0.00
12/27/2019 0.00
12/28/2019 0.03
12/29/2019 0.00
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 0.00
1/15/2020 0.00
1/16/2020 0.00
1/17/2020 0.00
1/18/2020 0.00
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 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.02
2/4/2020 0.22
2/5/2020 0.02
2/6/2020 0.00
2/7/2020 0.12
2/8/2020 0.08
2/9/2020 0.08
2/10/2020 0.15
2/11/2020 0.14
2/12/2020 0.00
2/13/2020 0.15
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 T
2/19/2020 0.00
2/20/2020 0.02
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.00
2/25/2020 0.00
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 0.17
3/3/2020 0.00
3/4/2020 0.00
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 **
3/8/2020 **
3/9/2020 0.00
3/10/2020 0.00
3/11/2020 0.00
3/12/2020 0.00
3/13/2020 0.00
3/14/2020 0.06
3/15/2020 0.00
3/16/2020
3/17/2020 0.02
3/18/2020 0.00
3/19/2020 0.04
3/20/2020 0.82
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 0.14
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 T
4/3/2020 T
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 0.40
4/13/2020 0.33
4/14/2020 T
4/15/2020 0.00
4/16/2020 0.46
4/17/2020 0.20
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 0.00
4/24/2020 T
4/25/2020 T
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 0.18
5/4/2020 0.04
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 0.19
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.00
5/16/2020 0.10
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 0.84
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.00
5/29/2020 0.00
5/30/2020 0.00
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.00
6/3/2020 0.00
6/4/2020 0.00
6/5/2020 0.00
6/6/2020 0.00
6/7/2020 0.02
6/8/2020 0.00
6/9/2020 0.44
6/10/2020 0.00
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.27
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 **
6/20/2020 0.64
6/21/2020 0.00
6/22/2020 0.00
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.06
6/26/2020 0.02
6/27/2020 0.15
6/28/2020 0.00
6/29/2020 0.00
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.10
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 0.03
7/15/2020 0.02
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 T
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.04
7/24/2020 0.00
7/25/2020 0.14
7/26/2020 0.02
7/27/2020
7/28/2020 0.00
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 0.24
8/1/2020 0.12
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 0.02
8/5/2020 0.00
8/6/2020 0.12
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 **
8/10/2020 **
8/11/2020 **
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 0.04
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 0.16
8/30/2020 0.00
8/31/2020 0.02
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 0.28
9/9/2020 0.50
9/10/2020 0.03
9/11/2020 0.00
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 **
9/24/2020 **
9/25/2020 **
9/26/2020 **
9/27/2020 0.00
9/28/2020 0.01
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2019 7:00 AM 0.13 0.0 M 0.0 M
10/3/2019 7:00 AM 0.00 0.0 M 0.0 M
10/4/2019 7:00 AM 0.00 0.0 M 0.0 M
10/5/2019 7:00 AM 0.00 0.0 M 0.0 M
10/6/2019 7:00 AM 0.00 0.0 M 0.0 M
10/9/2019 7:00 AM 0.00 0.0 M 0.0 M
10/10/2019 7:00 AM 0.05 0.5 0.05 0.5 0.05
10/11/2019 7:00 AM 0.15 2.2 0.00 2.5 0.15
10/12/2019 7:00 AM 0.00 0.0 M 0.0 M
10/13/2019 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 7:00 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 0.15 2.0 0.18 2.0 0.18
10/25/2019 7:00 AM 0.00 0.0 M T M
10/26/2019 7:00 AM 0.00 0.0 M 0.0 M
10/27/2019 7:00 AM 0.06 0.1 M 0.1 M Unable to collect from the ground to measure melted value from core
10/28/2019 7:00 AM 0.32 3.0 0.20 3.0 0.20
10/29/2019 7:00 AM 0.10 1.3 M 3.8 0.15
10/31/2019 7:00 AM 0.00 0.0 M 4.0 M Gauge frozen so could not remove to take core sample of snow on the ground.
11/1/2019 7:00 AM 0.00 0.0 M 3.0 0.35
11/2/2019 7:00 AM 0.00 0.0 M 2.0 M
11/3/2019 7:00 AM 0.00 0.0 M 1.5 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 0.0 M
11/7/2019 7:00 AM 0.00 0.0 M 0.0 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 T 1.4 0.05 1.4 0.05
11/12/2019 7:00 AM 0.00 0.0 M 1.0 M
11/24/2019 7:00 AM 0.00 0.0 M T M
11/25/2019 7:00 AM 0.00 0.0 M 0.0 M
11/26/2019 7:00 AM 1.28 10.7 0.98 10.7 0.98
12/1/2019 7:00 AM 0.00 0.0 M 6.8 0.70
12/2/2019 7:00 AM 0.00 0.0 M 6.0 0.79
12/3/2019 7:00 AM 0.00 0.0 M 5.0 0.78
12/4/2019 7:00 AM 0.00 0.0 M 4.0 0.70
12/5/2019 7:00 AM 0.00 0.0 M 3.0 0.64
12/6/2019 7:00 AM 0.00 0.0 M 2.0 0.60
12/7/2019 7:00 AM 0.00 0.0 M 1.7 0.35
12/8/2019 7:00 AM 0.00 0.0 M 1.0 M
12/9/2019 7:00 AM 0.00 0.0 M 0.5 M
12/10/2019 7:00 AM 0.00 0.0 M T M
12/11/2019 7:00 AM 0.00 0.0 M T M
12/12/2019 7:00 AM 0.00 0.0 M T M
12/13/2019 7:00 AM 0.00 0.0 M T M
12/14/2019 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
12/19/2019 7:00 AM 0.00 0.0 M 0.0 M
12/20/2019 7:00 AM 0.00 0.0 M 0.0 M
12/21/2019 7:00 AM 0.00 0.0 M 0.0 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
12/25/2019 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 0.03 1.5 0.05 1.5 0.05
12/29/2019 7:00 AM 0.00 0.0 M 1.3 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 0.3 M
1/2/2020 7:00 AM 0.00 0.0 M 0.0 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 0.00 0.0 M 0.0 M
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 0.00 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 0.00 0.0 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 0.00 0.0 M 0.0 M
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 0.02 0.0 M 0.0 M Freezing rain. Trace of ice on grass.
2/4/2020 7:00 AM 0.22 4.5 0.17 4.5 0.30
2/5/2020 7:00 AM 0.02 T M 4.5 0.28
2/6/2020 7:00 AM 0.00 0.0 M 4.0 0.28
2/7/2020 7:00 AM 0.12 2.5 M 6.0 0.37
2/8/2020 7:00 AM 0.08 0.1 M 5.7 0.28
2/9/2020 7:00 AM 0.08 0.5 M 5.0 0.24
2/10/2020 7:00 AM 0.15 3.0 M 4.5 0.42
2/11/2020 7:00 AM 0.14 1.5 M 4.2 M
2/12/2020 7:00 AM 0.00 0.0 M 3.8 M
2/13/2020 7:00 AM 0.15 2.8 M 5.5 0.66
2/14/2020 7:00 AM 0.00 0.0 0.00 4.6 0.66
2/15/2020 7:00 AM 0.00 0.0 0.00 4.2 M
2/16/2020 7:00 AM 0.00 0.0 0.00 3.9 M
2/17/2020 7:00 AM 0.00 0.0 0.00 3.0 0.00
2/18/2020 7:00 AM T T M 2.4 M
2/19/2020 7:00 AM 0.00 0.0 0.00 2.0 M
2/20/2020 7:00 AM 0.02 1.5 0.12 3.0 0.55
2/21/2020 7:00 AM 0.00 0.0 0.00 2.0 0.52
2/22/2020 7:00 AM 0.00 0.0 0.00 1.8 0.35
2/23/2020 7:00 AM 0.00 0.0 0.00 1.0 M
2/24/2020 7:00 AM 0.00 0.0 0.00 0.4 M
2/25/2020 7:00 AM 0.00 0.0 M 0.0 M
2/26/2020 7:00 AM 0.00 0.0 M 0.0 M
2/27/2020 7:00 AM 0.00 0.0 M 0.0 M
2/28/2020 7:00 AM 0.00 0.0 M 0.0 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 0.17 2.2 0.19 2.2 0.19
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
3/10/2020 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 7:00 AM 0.06 T M T M
3/15/2020 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 0.04 0.0 M 0.0 M
3/20/2020 7:00 AM 0.82 4.0 0.52 4.0 0.52
3/21/2020 7:00 AM T 0.0 0.00 4.0 0.44
3/22/2020 7:00 AM 0.00 0.0 M 0.0 M On March 21st 4 inches remained on the ground. Yesterday the sun melted all the snow. Usual but accurate report of 0.00 today.
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 0.14 0.0 M 0.0 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 0.00 0.0 M 0.0 M
4/1/2020 7:00 AM 0.00 0.0 M 0.0 M
4/2/2020 7:00 AM T 0.0 M 0.0 M Frozen rain on deck and grass.
4/3/2020 7:00 AM T 0.5 T 0.5 T
4/4/2020 7:00 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 7:00 AM 0.40 5.0 0.30 5.0 0.30
4/13/2020 7:00 AM 0.33 4.0 M 9.0 0.65
4/14/2020 7:00 AM T 0.0 0.00 5.0 0.34
4/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2020 7:00 AM 0.46 10.0 1.13 10.0 1.13
4/17/2020 7:00 AM 0.20 1.0 M 11.0 1.35
4/18/2020 7:00 AM 0.00 0.0 0.00 5.0 0.70
4/19/2020 7:00 AM 0.00 0.0 0.00 2.0 0.50
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 0.00 0.0 M 0.0 M
4/24/2020 7:00 AM T 0.0 M 0.0 M
4/25/2020 7:00 AM T 0.0 M 0.0 M
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
5/2/2020 7:00 AM 0.00 0.0 M 0.0 M
5/3/2020 7:00 AM 0.18 0.0 M 0.0 M
5/4/2020 7:00 AM 0.04 0.0 M 0.0 M
5/5/2020 7:00 AM 0.00 0.0 M 0.0 M
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 0.0 M
5/12/2020 7:00 AM 0.19 0.0 M 0.0 M
5/13/2020 7:00 AM 0.00 0.0 M 0.0 M
5/14/2020 7:00 AM 0.00 0.0 M 0.0 M
5/15/2020 7:00 AM 0.00 0.0 M 0.0 M
5/16/2020 7:00 AM 0.10 0.0 M 0.0 M
5/17/2020 7:00 AM 0.00 0.0 M 0.0 M
5/18/2020 7:00 AM 0.00 0.0 M 0.0 M
5/19/2020 7:00 AM 0.00 0.0 M 0.0 M
5/20/2020 7:00 AM 0.00 0.0 M 0.0 M
5/21/2020 7:00 AM 0.00 0.0 M 0.0 M
5/22/2020 7:00 AM 0.00 0.0 M 0.0 M
5/23/2020 7:00 AM 0.00 0.0 M 0.0 M
5/24/2020 7:00 AM 0.00 0.0 M 0.0 M
5/25/2020 7:00 AM 0.84 0.0 M 0.0 M
5/26/2020 7:00 AM 0.00 0.0 M 0.0 M
5/27/2020 7:00 AM 0.00 0.0 M 0.0 M
5/28/2020 7:00 AM 0.00 0.0 M 0.0 M
5/29/2020 7:00 AM 0.00 0.0 M 0.0 M
5/30/2020 7:00 AM 0.00 0.0 M 0.0 M
5/31/2020 7:00 AM 0.00 0.0 M 0.0 M
6/1/2020 7:00 AM 0.00 0.0 M 0.0 M
6/2/2020 7:00 AM 0.00 0.0 M 0.0 M
6/3/2020 7:00 AM 0.00 0.0 M 0.0 M
6/4/2020 7:00 AM 0.00 0.0 M 0.0 M
6/5/2020 7:00 AM 0.00 0.0 M 0.0 M
6/6/2020 7:00 AM 0.00 0.0 M 0.0 M
6/7/2020 7:00 AM 0.02 0.0 M 0.0 M
6/8/2020 7:00 AM 0.00 0.0 M 0.0 M
6/9/2020 7:00 AM 0.44 0.0 M 0.0 M
6/10/2020 7:00 AM 0.00 0.0 M 0.0 M
6/11/2020 7:00 AM 0.00 0.0 M 0.0 M
6/12/2020 7:00 AM 0.00 0.0 M 0.0 M
6/13/2020 7:00 AM 0.00 0.0 M 0.0 M
6/14/2020 7:00 AM 0.27 0.0 M 0.0 M
6/15/2020 7:00 AM 0.00 0.0 M 0.0 M
6/16/2020 7:00 AM 0.00 0.0 M 0.0 M
6/17/2020 7:00 AM 0.00 0.0 M 0.0 M
6/18/2020 7:00 AM 0.00 0.0 M 0.0 M
6/21/2020 7:00 AM 0.00 0.0 M 0.0 M
6/22/2020 7:00 AM 0.00 0.0 M 0.0 M
6/23/2020 7:00 AM 0.00 0.0 M 0.0 M
6/24/2020 7:00 AM 0.00 0.0 M 0.0 M
6/25/2020 7:00 AM 0.06 0.0 M 0.0 M
6/26/2020 7:00 AM 0.02 0.0 M 0.0 M
6/27/2020 7:00 AM 0.15 0.0 M 0.0 M
6/28/2020 7:00 AM 0.00 0.0 M 0.0 M
6/29/2020 7:00 AM 0.00 0.0 M 0.0 M
6/30/2020 7:00 AM 0.00 0.0 M 0.0 M
7/1/2020 7:00 AM 0.10 0.0 M 0.0 M
7/2/2020 7:00 AM 0.00 0.0 M 0.0 M
7/3/2020 7:00 AM 0.00 0.0 M 0.0 M
7/4/2020 7:00 AM 0.00 0.0 M 0.0 M
7/5/2020 7:00 AM 0.00 0.0 M 0.0 M
7/6/2020 7:00 AM 0.00 0.0 M 0.0 M
7/7/2020 7:00 AM 0.00 0.0 M 0.0 M
7/8/2020 7:00 AM 0.00 0.0 M 0.0 M
7/9/2020 7:00 AM 0.00 0.0 M 0.0 M
7/10/2020 7:00 AM 0.00 0.0 M 0.0 M
7/11/2020 7:00 AM 0.00 0.0 M 0.0 M
7/12/2020 7:00 AM 0.00 0.0 M 0.0 M
7/13/2020 7:00 AM 0.00 0.0 M 0.0 M
7/14/2020 7:00 AM 0.03 0.0 M 0.0 M
7/15/2020 7:00 AM 0.02 0.0 M 0.0 M
7/16/2020 7:00 AM 0.00 0.0 M 0.0 M
7/17/2020 7:00 AM 0.00 0.0 M 0.0 M
7/18/2020 7:00 AM 0.00 0.0 M 0.0 M
7/19/2020 7:00 AM 0.00 0.0 M 0.0 M
7/20/2020 7:00 AM T 0.0 M 0.0 M
7/21/2020 7:00 AM 0.00 0.0 M 0.0 M
7/22/2020 7:00 AM 0.00 0.0 M 0.0 M
7/23/2020 7:00 AM 0.04 0.0 M 0.0 M
7/24/2020 7:00 AM 0.00 0.0 M 0.0 M
7/25/2020 7:00 AM 0.14 0.0 M 0.0 M
7/26/2020 7:00 AM 0.02 0.0 M 0.0 M
7/28/2020 7:00 AM 0.00 0.0 M 0.0 M
7/29/2020 7:00 AM 0.00 0.0 M 0.0 M
7/30/2020 7:00 AM 0.00 0.0 M 0.0 M
7/31/2020 7:00 AM 0.24 0.0 M 0.0 M
8/1/2020 7:00 AM 0.12 0.0 M 0.0 M
8/2/2020 7:00 AM 0.00 0.0 M 0.0 M
8/3/2020 7:00 AM 0.00 0.0 M 0.0 M
8/4/2020 7:00 AM 0.02 0.0 M 0.0 M
8/5/2020 7:00 AM 0.00 0.0 M 0.0 M
8/6/2020 7:00 AM 0.12 0.0 M 0.0 M
8/7/2020 7:00 AM 0.00 0.0 M 0.0 M
8/8/2020 7:00 AM 0.00 0.0 M 0.0 M
8/13/2020 7:00 AM 0.00 0.0 M 0.0 M
8/14/2020 7:00 AM 0.00 0.0 M 0.0 M
8/15/2020 7:00 AM 0.00 0.0 M 0.0 M
8/16/2020 7:00 AM 0.00 0.0 M 0.0 M The huge wild fires around Grand Junction, Glenwood Springs, Ft Collins and several areas in drought stricken CO have spewed ash and very smoky conditions as far as Southwest Longmont, CO. Very intense smell, too.
8/17/2020 7:00 AM 0.00 0.0 M 0.0 M
8/18/2020 7:00 AM 0.00 0.0 M 0.0 M The smoke has dissipated over SW Longmont, but still enough of smoke smell that suggests it is necessary to keep windows closed all day and throughout the night.
8/19/2020 7:00 AM 0.00 0.0 M 0.0 M Around 2 pm clouds, wind and very smoky for the remainder of the day and evening. As if entire city of Longmont was barbecueing.
8/20/2020 7:00 AM 0.00 0.0 M 0.0 M Haze, smoke and smell of smoke still enshrouds SW Longmont.
8/21/2020 7:00 AM 0.04 0.0 M 0.0 M Continued mountain haze, smoky odor
8/22/2020 7:00 AM 0.00 0.0 M 0.0 M Extremely hot, hazy and smoky in SW Longmont. Hottest July and August since our move here in 2015.
8/23/2020 7:00 AM 0.00 0.0 M 0.0 M Extremely hot, hazy and smoky
8/24/2020 7:00 AM 0.00 0.0 M 0.0 M Very hot, dry, hazy and smoky
8/25/2020 7:00 AM 0.00 0.0 M 0.0 M Very hot (still mid to upper 90s), hazy over mountains and smoky.
8/26/2020 7:00 AM 0.00 0.0 M 0.0 M Yesterday the air was thick with smoke. Air quality very poor, high ozone. High temperatures and haze continued.
8/27/2020 7:00 AM 0.01 0.0 M 0.0 M Very hot, hazy, smoke and high ozone.
8/28/2020 7:00 AM 0.00 0.0 M 0.0 M The small of amount of rain plus a front that came through cleared the air. Front range was finally no longer enshrouded in haze from early am yesterday and sky was blue.
8/29/2020 7:00 AM 0.16 0.0 M 0.0 M
8/30/2020 7:00 AM 0.00 0.0 M 0.0 M
8/31/2020 7:00 AM 0.02 M M M M
9/1/2020 7:00 AM 0.05 0.0 M 0.0 M
9/2/2020 7:00 AM 0.00 0.0 M 0.0 M
9/3/2020 7:00 AM 0.00 0.0 M 0.0 M
9/4/2020 7:00 AM 0.00 0.0 M 0.0 M
9/5/2020 7:00 AM 0.00 0.0 M 0.0 M Very hot and smoke in air from wildfires.
9/6/2020 7:00 AM 0.00 0.0 M 0.0 M
9/7/2020 7:00 AM 0.00 0.0 M 0.0 M Yesterday the smoke from the Cameron Peak Fire caused heavy smoke making it difficult to breathe outside. Early last evening our skylights, deck and outside furniture was covered in ash.
9/8/2020 7:00 AM 0.28 0.0 M 0.0 M Front arrived with winds and temperature dropped to 35. No smoke smell from the Cameron Peaks Fire this morning.
9/9/2020 7:00 AM 0.50 1.5 M 1.5 M Snow began around 5 pm with accumulation less than 3/4 inch by 10 pm. Snow turned to rain around 4 am. Rain melted snow so core sample yielded a T. {EDIT: Observer reported 1.5 for new and total snowfall both with a melted core of trace. Melted core is low and appears to be an error. Changed SWE reports of T to NA until observer can be contacted to verify. Submission Time Before EDIT; 9/09/2020 7:00 AM CoCoSTAFF DNT}
9/10/2020 7:00 AM 0.03 0.0 M 0.0 0.00
9/11/2020 7:00 AM 0.00 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 First day front range was not hazy in many weeks. Around 930 pm, smoke returned - strong odor and irritant in the home.
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 Several hours in the morning with smoky air from the Cameron Peak Wildfire.
9/17/2020 7:00 AM 0.00 0.0 M 0.0 M Morning air and sky heavy with smoke from Cameron Peaks Wildfire.
9/18/2020 7:00 AM 0.00 0.0 M 0.0 M Smoke and haze from Cameron Peak Fires.
9/19/2020 7:00 AM 0.00 0.0 M 0.0 M Continued haze (and smoke) from Cameron Peak Fires where Front Range could barely be seen.
9/20/2020 7:00 AM 0.00 0.0 M 0.0 M Smoke from the Cameron Peaks Wildfires so strong inside the house all windows had to be closed around 930 pm.
9/21/2020 7:00 AM 0.00 0.0 M 0.0 M Very smoky from Cameron Peak Fires most of the day so house windows had to be closed for day and overnight.
9/22/2020 7:00 AM 0.00 0.0 M 0.0 M
9/28/2020 7:00 AM 0.01 0.0 M 0.0 M
9/29/2020 7:00 AM 0.00 0.0 M 0.0 M Mid morning winds brought in smoke from Cameron Peak Fires for a few hours.
9/30/2020 7:00 AM 0.00 0.0 M 0.0 M Around 3 am smoke from the wildfires returned.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/20/2019 10/01/2019 7:00 AM 12 0.32 0.0 0.00
11/13/2019 11/23/2019 7:00 AM 11 0.28 1.5 0.07
11/27/2019 11/30/2019 7:00 AM 4 0.25 7.0 1.14
3/7/2020 3/09/2020 7:00 AM 3 0.00 0.0 0.00
6/19/2020 6/20/2020 7:00 AM 2 0.64 0.0 0.00
8/9/2020 8/12/2020 7:00 AM 4 0.00 0.0 0.00
9/23/2020 9/27/2020 7:00 AM 5 0.00 0.0 0.00



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