Station Overview Station Location
Station Number CO-BO-528 Latitude 40.197663
Station Name Longmont 2.4 NE Longitude -105.079862
County Boulder Elevation (ft) 5042



Month 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 0.36 3 0.00 0 0.36 3 1 0 0 0.0 0 0
Nov 19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 20 1.44 12 1.44 12 0.00 0 0 3 0 0.0 0 0
April 20 1.50 29 0.04 24 1.46 5 2 3 1 0.0 0 0
May 20 1.71 11 1.71 11 0.00 0 0 8 1 0.0 0 0
June 20 1.34 5 1.34 5 0.00 0 0 5 0 0.0 0 0
July 20 0.49 14 0.33 12 0.16 2 1 4 2 0.0 0 0
Aug 20 1.22 18 1.22 18 0.00 0 0 5 3 0.0 0 0
Sept 20 0.92 6 0.92 6 0.00 0 0 5 1 0.0 0 0
Water Year Totals: 8.98" 98 days 7.00" 88 1.98" 10 days 4 33 days 8 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 0.36
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 1.29
3/21/2020 0.00
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 0.01
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.01
4/3/2020 0.02
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 **
4/13/2020 0.63
4/14/2020
4/15/2020 0.00
4/16/2020 **
4/17/2020 **
4/18/2020 0.83
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 0.01
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 T
5/2/2020 0.01
5/3/2020
5/4/2020 0.23
5/5/2020 0.00
5/6/2020 0.00
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020 0.27
5/13/2020
5/14/2020
5/15/2020 0.05
5/16/2020 0.26
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020 0.87
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020 0.01
5/31/2020 0.01
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020 0.23
6/8/2020
6/9/2020 0.51
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020 0.02
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020 0.52
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020
6/25/2020
6/26/2020
6/27/2020 0.06
6/28/2020
6/29/2020
6/30/2020
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.05
7/2/2020
7/3/2020
7/4/2020
7/5/2020
7/6/2020
7/7/2020
7/8/2020
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020 T
7/16/2020
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 0.00
7/22/2020
7/23/2020
7/24/2020
7/25/2020 **
7/26/2020 0.01 0.16
7/27/2020 0.04
7/28/2020 0.00
7/29/2020 T
7/30/2020
7/31/2020 0.23
8/1/2020 0.73
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 0.00
8/5/2020 0.31
8/6/2020 0.01
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
8/15/2020
8/16/2020
8/17/2020
8/18/2020
8/19/2020
8/20/2020 T
8/21/2020 T
8/22/2020
8/23/2020
8/24/2020
8/25/2020
8/26/2020
8/27/2020 T
8/28/2020 0.01
8/29/2020 0.16
8/30/2020
8/31/2020
9/1/2020 0.04
9/2/2020
9/3/2020
9/4/2020
9/5/2020
9/6/2020
9/7/2020
9/8/2020 0.32
9/9/2020 0.52
9/10/2020 0.02
9/11/2020 0.02
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 T
9/29/2020
9/30/2020



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
3/20/2020 8:00 AM 1.29 M M M M
3/21/2020 7:00 AM 0.00 0.0 M M M
3/22/2020 7:00 AM 0.00 0.0 M M M
3/23/2020 7:00 AM 0.00 0.0 M M M
3/24/2020 7:00 AM 0.00 0.0 M M M
3/25/2020 7:00 AM 0.00 0.0 M M M
3/26/2020 7:00 AM 0.00 0.0 M M M
3/27/2020 7:00 AM 0.00 0.0 M M M
3/28/2020 7:00 AM 0.14 M M M M
3/29/2020 8:15 AM 0.00 0.0 M M M
3/30/2020 7:00 AM 0.00 0.0 M M M
3/31/2020 7:00 AM 0.01 M M M M
4/1/2020 7:00 AM 0.00 0.0 M M M
4/2/2020 7:00 AM 0.01 M M M M Likely fell as freezing rain, as bucket and surrounding area was coated in a thin layer of ice. Ice in bucket melted to observation report.
4/3/2020 7:00 AM 0.02 M M M M Fell as snow.
4/4/2020 7:00 AM 0.00 0.0 M M M
4/5/2020 7:00 AM 0.00 0.0 M M M
4/6/2020 7:00 AM 0.00 0.0 M M M
4/7/2020 7:00 AM 0.00 0.0 M M M
4/8/2020 7:00 AM 0.00 0.0 M M M
4/9/2020 7:00 AM 0.00 0.0 M M M
4/10/2020 7:00 AM 0.00 0.0 M M M
4/11/2020 7:00 AM 0.00 0.0 M M M
4/15/2020 7:00 AM 0.00 0.0 M M M
4/19/2020 7:00 AM 0.00 0.0 M M M
4/20/2020 7:00 AM 0.00 0.0 M M M
4/21/2020 7:00 AM 0.00 0.0 M M M
4/22/2020 7:00 AM 0.00 0.0 M M M
4/23/2020 7:00 AM 0.00 0.0 M M M
4/24/2020 7:00 AM T M M M M
4/25/2020 7:00 AM 0.01 M M M M Multiple periods of light showers
4/26/2020 7:00 AM 0.00 0.0 M M M
4/27/2020 7:00 AM 0.00 0.0 M M M
4/28/2020 7:00 AM 0.00 0.0 M M M
4/29/2020 7:00 AM 0.00 0.0 M M M
4/30/2020 7:00 AM 0.00 0.0 M M M
5/1/2020 7:00 AM T M M M M
5/2/2020 8:30 AM 0.01 M M M M
5/4/2020 7:00 AM 0.23 M M M M
5/5/2020 7:00 AM 0.00 0.0 M M M
5/6/2020 7:00 AM 0.00 0.0 M M M
5/12/2020 7:00 AM 0.27 M M M M
5/15/2020 7:00 AM 0.05 M M M M
5/16/2020 7:00 AM 0.26 M M M M
5/25/2020 7:00 AM 0.87 M M M M
5/30/2020 7:00 AM 0.01 M M M M
5/31/2020 7:00 AM 0.01 M M M M
6/7/2020 7:00 AM 0.23 M M M M
6/9/2020 8:00 AM 0.51 M M M M
6/14/2020 7:00 AM 0.02 M M M M
6/19/2020 8:00 AM 0.52 M M M M
6/27/2020 7:00 AM 0.06 M M M M
7/1/2020 7:00 AM 0.05 M M M M
7/15/2020 7:00 AM T M M M M
7/17/2020 7:00 AM 0.00 0.0 M M M
7/18/2020 7:00 AM 0.00 0.0 M M M
7/19/2020 7:00 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 0.00 0.0 M M M
7/26/2020 7:00 AM 0.01 M M M M
7/27/2020 7:00 AM 0.04 M M M M
7/28/2020 7:00 AM 0.00 0.0 M M M
7/29/2020 7:00 AM T M M M M
7/31/2020 7:00 AM 0.23 M M M M
8/1/2020 7:00 AM 0.73 M 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
8/4/2020 7:00 AM 0.00 0.0 M M M
8/5/2020 7:00 AM 0.31 M M M M
8/6/2020 7:00 AM 0.01 M 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
8/20/2020 7:00 AM T M M M M
8/21/2020 7:00 AM T M M M M
8/27/2020 7:00 AM T M M M M
8/28/2020 7:00 AM 0.01 M M M M
8/29/2020 7:00 AM 0.16 M M M M
9/1/2020 7:00 AM 0.04 M M M M
9/8/2020 7:00 AM 0.32 M M M M
9/9/2020 7:00 AM 0.52 M M M M
9/10/2020 7:00 AM 0.02 M M M M
9/11/2020 7:00 AM 0.02 M M M M
9/28/2020 7:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/28/2019 10/30/2019 9:00 AM 3 0.36 M M Storm total accumulation beginning the night of October 28, 2019.
4/12/2020 4/13/2020 7:00 PM 2 0.63 M M Snow began overnight on 11 Apr. and ended by time of measurement on 13 Apr.
4/16/2020 4/18/2020 7:00 AM 3 0.83 M M Significant under-measurement. Snow accumulation blocked opening of gauge. Approximately 8 inches of snow accumulation sat atop gauge at time of measurement and most was unable to be captured and measured.
7/25/2020 7/26/2020 7:00 AM 2 0.16 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