Station Overview Station Location
Station Number CO-BO-266 Latitude 39.989316
Station Name Lafayette 0.8 WSW Longitude -105.11106
County Boulder Elevation (ft) 5281



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 1.12 1.46 31 1.46 31 0.00 0 0 9 0 10.9 7 9
Nov 19 0.95 0.18 22 0.18 22 0.00 0 0 3 1 1.7 2 9
Dec 19 0.70 0.33 30 0.12 27 0.21 3 1 2 1 0.1 1 24
Jan 20 0.49 0.00 29 0.00 29 0.00 0 0 0 2 0.0 0 4
Feb 20 0.47 1.21 29 1.21 29 0.00 0 0 12 2 14.8 10 21
March 20 1.56 1.67 28 1.67 28 0.00 0 0 6 3 6.8 3 7
April 20 2.01 2.07 30 2.07 30 0.00 0 0 8 4 19.7 6 9
May 20 2.25 1.46 30 1.46 30 0.00 0 0 7 2 0.0 0 0
June 20 1.88 1.61 30 1.61 30 0.00 0 0 9 5 0.0 0 0
July 20 1.54 0.45 31 0.45 31 0.00 0 0 7 9 0.0 0 0
Aug 20 1.65 0.24 31 0.24 31 0.00 0 0 8 7 0.0 0 0
Sept 20 1.40 0.99 30 0.99 30 0.00 0 0 5 0 0.5 1 1
Water Year Totals: 16.02" 11.67" 351 days 11.46" 348 0.21" 3 days 1 76 days 36 days 54.5" 30 days 84 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 0.03
10/2/2019 0.15
10/3/2019 0.00
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 0.05
10/11/2019 0.25
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 0.30
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.08
10/28/2019 0.30
10/29/2019 0.11
10/30/2019 0.19
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 0.05
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.06
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
11/21/2019
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.07
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 0.11
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 0.01
12/16/2019 0.00
12/17/2019 0.00
12/18/2019 0.00
12/19/2019
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 T
12/27/2019 **
12/28/2019 **
12/29/2019 0.21
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
1/29/2020
1/30/2020 T
1/31/2020 T
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.02
2/4/2020 0.28
2/5/2020 0.02
2/6/2020 0.00
2/7/2020 0.20
2/8/2020 0.12
2/9/2020 0.09
2/10/2020 0.14
2/11/2020 0.15
2/12/2020 0.00
2/13/2020 0.10
2/14/2020 0.00
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.01
2/19/2020 T
2/20/2020 0.07
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.01
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 0.26
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 0.12
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 T
3/16/2020 0.00
3/17/2020 T
3/18/2020
3/19/2020
3/20/2020 1.03
3/21/2020 0.01
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
3/28/2020 0.22
3/29/2020 0.00
3/30/2020 0.00
3/31/2020 T
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 0.05
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 0.25
4/13/2020 0.33
4/14/2020 0.07
4/15/2020 0.00
4/16/2020 0.99
4/17/2020 0.27
4/18/2020 0.00
4/19/2020 T
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.00
4/23/2020 T
4/24/2020 0.05
4/25/2020 T
4/26/2020 T
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 T
5/3/2020 0.25
5/4/2020 0.07
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 0.11
5/13/2020 0.00
5/14/2020 0.00
5/15/2020
5/16/2020 0.14
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 0.67
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.05
5/29/2020 T
5/30/2020 0.00
5/31/2020 0.17
6/1/2020 0.01
6/2/2020 0.00
6/3/2020 T
6/4/2020 0.00
6/5/2020 T
6/6/2020 0.00
6/7/2020 0.01
6/8/2020 0.00
6/9/2020 0.67
6/10/2020 0.01
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 T
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 T
6/18/2020 0.00
6/19/2020 0.55
6/20/2020 0.06
6/21/2020 0.00
6/22/2020 0.03
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.02
6/26/2020 0.00
6/27/2020 0.25
6/28/2020 0.00
6/29/2020 T
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.04
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 T
7/6/2020 0.00
7/7/2020 T
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 0.06
7/15/2020 0.03
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 T
7/19/2020 T
7/20/2020 T
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.02
7/24/2020 T
7/25/2020 0.12
7/26/2020 0.15
7/27/2020 T
7/28/2020 0.00
7/29/2020 0.03
7/30/2020 T
7/31/2020 T
8/1/2020 0.01
8/2/2020 T
8/3/2020 T
8/4/2020 T
8/5/2020 0.01
8/6/2020 0.01
8/7/2020 T
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 T
8/12/2020 0.00
8/13/2020 T
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 0.10
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 T
8/28/2020 0.03
8/29/2020 0.03
8/30/2020 0.03
8/31/2020 0.02
9/1/2020 0.09
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 0.32
9/9/2020 0.56
9/10/2020 0.01
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 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 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
10/1/2019 7:00 AM 0.03 0.0 M 0.0 M
10/2/2019 7:00 AM 0.15 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
10/7/2019 7:00 AM 0.00 0.0 M 0.0 M
10/8/2019 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 0.2 M 0.2 M
10/11/2019 7:00 AM 0.25 1.5 M 1.7 M
10/12/2019 7:00 AM 0.00 0.0 M T M
10/13/2019 7:00 AM 0.00 0.0 M T M
10/14/2019 7:00 AM 0.00 0.0 M T 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 0.30 2.0 M 2.0 M
10/25/2019 7:00 AM 0.00 0.0 M 0.5 M
10/26/2019 7:00 AM 0.00 0.0 M T M
10/27/2019 7:00 AM 0.08 0.2 M 0.2 M
10/28/2019 7:00 AM 0.30 3.0 M 3.1 M
10/29/2019 7:00 AM 0.11 2.0 M 3.5 M
10/30/2019 7:00 AM 0.19 2.0 M 4.5 M
10/31/2019 7:00 AM 0.00 0.0 M 4.5 M
11/1/2019 7:00 AM 0.00 0.0 M 4.5 M
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 1.0 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 0.05 0.0 M T M Deck and driveway (mostly shaded during daylight hours) are coated with ice, but the street looks mostly ice free.
11/8/2019 7:00 AM 0.00 0.0 M T M
11/9/2019 7:00 AM 0.00 0.0 M T M
11/10/2019 7:00 AM 0.00 0.0 M T M
11/11/2019 7:00 AM 0.06 1.2 M 1.2 M
11/12/2019 7:00 AM T T M 0.5 M
11/13/2019 7:00 AM 0.00 0.0 M T 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
11/28/2019 7:00 AM 0.00 0.0 M 7.0 M
11/29/2019 7:00 AM 0.00 0.0 M 6.5 M
11/30/2019 7:00 AM 0.07 0.5 M 6.5 M
12/1/2019 7:00 AM 0.00 0.0 M 6.0 M
12/2/2019 7:00 AM 0.00 0.0 M 6.0 M
12/3/2019 7:00 AM 0.00 0.0 M 4.0 M
12/4/2019 7:00 AM 0.00 0.0 M 3.0 M
12/5/2019 7:00 AM 0.00 0.0 M 2.0 M
12/6/2019 7:00 AM 0.11 T M 2.0 M Most of the precipitation fell as rain and the trace of snow on the ground this morning fell overnight.
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 0.00 0.0 M 1.0 M
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 1.0 M
12/13/2019 7:00 AM 0.00 0.0 M 1.0 M
12/14/2019 7:00 AM 0.00 0.0 M 1.0 M
12/15/2019 7:00 AM 0.01 0.1 M 1.0 M
12/16/2019 7:00 AM 0.00 0.0 M 1.0 M
12/17/2019 7:00 AM 0.00 0.0 M 1.0 M
12/18/2019 7:00 AM 0.00 0.0 M 1.0 M
12/20/2019 7:00 AM 0.00 0.0 M 0.5 M
12/21/2019 7:00 AM 0.00 0.0 M 0.5 M
12/22/2019 7:00 AM 0.00 0.0 M 0.5 M
12/23/2019 7:00 AM 0.00 0.0 M 0.5 M
12/24/2019 7:00 AM 0.00 0.0 M T M
12/25/2019 7:00 AM 0.00 0.0 M T M
12/26/2019 7:00 AM T 0.0 M T M
12/30/2019 7:00 AM 0.00 0.0 M 2.0 M
12/31/2019 7:00 AM 0.00 0.0 M 1.5 M
1/1/2020 7:00 AM 0.00 0.0 M 1.0 M
1/2/2020 7:00 AM 0.00 0.0 M 0.5 M
1/3/2020 7:00 AM 0.00 0.0 M 0.5 M
1/4/2020 7:00 AM 0.00 0.0 M 0.5 M
1/5/2020 7:00 AM 0.00 0.0 M T M
1/6/2020 7:00 AM 0.00 0.0 M T M
1/7/2020 7:00 AM 0.00 0.0 M T M
1/8/2020 7:00 AM 0.00 0.0 M T M
1/9/2020 7:00 AM 0.00 0.0 M T M
1/10/2020 7:00 AM 0.00 0.0 M T M
1/11/2020 7:00 AM 0.00 0.0 M T M
1/12/2020 7:00 AM 0.00 0.0 M T M
1/13/2020 7:00 AM 0.00 0.0 M T M
1/14/2020 7:00 AM 0.00 0.0 M T M
1/15/2020 7:00 AM 0.00 0.0 M T M
1/16/2020 7:00 AM 0.00 0.0 M T M
1/17/2020 7:00 AM 0.00 0.0 M T M
1/18/2020 7:00 AM 0.00 0.0 M T M
1/19/2020 7:00 AM 0.00 0.0 M T M
1/20/2020 7:00 AM 0.00 0.0 M T M
1/21/2020 7:00 AM 0.00 0.0 M T M
1/22/2020 7:00 AM 0.00 0.0 M T M
1/23/2020 7:00 AM 0.00 0.0 M T M
1/24/2020 7:00 AM 0.00 0.0 M T M
1/25/2020 7:00 AM 0.00 0.0 M T M
1/26/2020 7:00 AM 0.00 0.0 M T M
1/27/2020 7:00 AM 0.00 0.0 M T M
1/30/2020 7:00 AM T 0.0 M T M
1/31/2020 7:00 AM T T M T M
2/1/2020 7:00 AM 0.00 0.0 M T M
2/2/2020 7:00 AM 0.00 0.0 M T M
2/3/2020 7:00 AM 0.02 T M T M Most of the precipitation fell as freezing drizzle with just a trace of snow.
2/4/2020 7:00 AM 0.28 4.6 M 4.6 M
2/5/2020 7:00 AM 0.02 0.2 M 3.5 M
2/6/2020 7:00 AM 0.00 0.0 M 2.5 M
2/7/2020 7:00 AM 0.20 2.8 M 5.0 M
2/8/2020 7:00 AM 0.12 0.9 M 5.0 M
2/9/2020 7:00 AM 0.09 1.1 M 4.0 M
2/10/2020 7:00 AM 0.14 1.0 M 4.0 M
2/11/2020 7:00 AM 0.15 2.2 M 5.5 M
2/12/2020 7:00 AM 0.00 0.0 M 5.0 M
2/13/2020 7:00 AM 0.10 1.2 M 4.5 M
2/14/2020 7:00 AM 0.00 0.0 M 4.0 M
2/15/2020 7:00 AM 0.00 0.0 M 3.5 M
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 2.0 M
2/18/2020 7:00 AM 0.01 0.1 M 1.5 M
2/19/2020 7:00 AM T T M 1.0 M
2/20/2020 7:00 AM 0.07 0.7 M 1.0 M
2/21/2020 7:00 AM 0.00 0.0 M 1.0 M
2/22/2020 7:00 AM 0.00 0.0 M 1.0 M
2/23/2020 7:00 AM 0.00 0.0 M 1.0 M
2/24/2020 7:00 AM 0.01 0.0 M 0.5 M All the precipitation fell as snow, but it melted soon after it was on the ground.
2/25/2020 7:00 AM T 0.0 M T M
2/26/2020 7:00 AM 0.00 0.0 M T 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 T M
3/1/2020 7:00 AM 0.00 0.0 M T M
3/2/2020 7:00 AM 0.26 2.3 M 2.3 M
3/3/2020 7:00 AM 0.00 0.0 M 0.5 M
3/4/2020 7:00 AM 0.00 0.0 M T M
3/5/2020 7:00 AM 0.00 0.0 M T M
3/6/2020 7:00 AM 0.00 0.0 M T M
3/7/2020 7:00 AM 0.00 0.0 M T M
3/8/2020 7:00 AM 0.00 0.0 M T M
3/9/2020 7:00 AM 0.12 0.0 M T M
3/10/2020 7:00 AM 0.00 0.0 M T 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 0.03 T M T M
3/15/2020 7:00 AM T 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 T 0.0 M 0.0 M
3/20/2020 7:00 AM 1.03 4.0 M 4.0 M The snow is very heavy and wet. There is a lot of variability in snow depth over short distances owing to several factors including the ground temperature and drifting.
3/21/2020 7:00 AM 0.01 T M 3.0 M
3/22/2020 7:00 AM 0.00 0.0 M 1.0 M
3/23/2020 7:00 AM 0.00 0.0 M 0.5 M
3/24/2020 7:00 AM 0.00 0.0 M T M
3/25/2020 7:00 AM 0.00 0.0 M T M
3/26/2020 7:00 AM 0.00 0.0 M T M
3/28/2020 7:00 AM 0.22 0.5 M 0.5 M The snow depth measurement was difficult because the snow was wet and slushy when it fell and froze solid overnight.
3/29/2020 7:00 AM 0.00 0.0 M T M
3/30/2020 7:00 AM 0.00 0.0 M 0.0 M
3/31/2020 7:00 AM T 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 0.05 0.0 M 0.0 M
4/3/2020 7:00 AM 0.06 0.3 M 0.3 M
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 0.25 3.5 M 3.5 M
4/13/2020 7:00 AM 0.33 5.0 M 6.5 M
4/14/2020 7:00 AM 0.07 1.0 M 4.0 M
4/15/2020 7:00 AM 0.00 0.0 M 1.5 M
4/16/2020 7:00 AM 0.99 8.1 M 8.1 M The snow is wet and heavy.
4/17/2020 7:00 AM 0.27 1.8 M 9.0 M
4/18/2020 7:00 AM 0.00 0.0 M 4.0 M
4/19/2020 7:00 AM T 0.0 M 1.0 M
4/20/2020 7:00 AM 0.00 0.0 M T M
4/21/2020 7:00 AM 0.00 0.0 M T M
4/22/2020 7:00 AM 0.00 0.0 M 0.0 M
4/23/2020 7:00 AM T 0.0 M 0.0 M
4/24/2020 7:00 AM 0.05 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 T 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 T 0.0 M 0.0 M
5/3/2020 7:00 AM 0.25 0.0 M 0.0 M
5/4/2020 7:00 AM 0.07 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 0.11 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 M M
5/16/2020 7:00 AM 0.14 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 0.67 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 0.05 0.0 M 0.0 M
5/29/2020 7:00 AM T 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 0.17 0.0 M 0.0 M
6/1/2020 7:00 AM 0.01 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 T 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 T 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 0.01 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 0.67 0.0 M 0.0 M
6/10/2020 7:00 AM 0.01 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 T 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 T 0.0 M 0.0 M
6/18/2020 7:00 AM 0.00 0.0 M 0.0 M
6/19/2020 7:00 AM 0.55 0.0 M 0.0 M
6/20/2020 7:00 AM 0.06 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 0.03 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 0.02 0.0 M 0.0 M
6/26/2020 7:00 AM 0.00 0.0 M 0.0 M
6/27/2020 7:00 AM 0.25 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 T 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 0.04 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 T 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 T 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 0.06 0.0 M 0.0 M
7/15/2020 7:00 AM 0.03 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 T 0.0 M 0.0 M
7/19/2020 7:00 AM T 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 0.02 0.0 M 0.0 M
7/24/2020 7:00 AM T 0.0 M 0.0 M
7/25/2020 7:00 AM 0.12 0.0 M 0.0 M
7/26/2020 7:00 AM 0.15 0.0 M 0.0 M
7/27/2020 7:00 AM T 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 0.03 0.0 M 0.0 M
7/30/2020 7:00 AM T 0.0 M 0.0 M
7/31/2020 7:00 AM T 0.0 M 0.0 M
8/1/2020 7:00 AM 0.01 0.0 M 0.0 M
8/2/2020 7:00 AM T 0.0 M 0.0 M
8/3/2020 7:00 AM T 0.0 M 0.0 M
8/4/2020 7:00 AM T 0.0 M 0.0 M
8/5/2020 7:00 AM 0.01 0.0 M 0.0 M
8/6/2020 7:00 AM 0.01 0.0 M 0.0 M
8/7/2020 7:00 AM T 0.0 M 0.0 M
8/8/2020 7:00 AM 0.00 0.0 M 0.0 M
8/9/2020 7:00 AM 0.00 0.0 M 0.0 M
8/10/2020 7:00 AM 0.00 0.0 M 0.0 M
8/11/2020 7:00 AM T 0.0 M 0.0 M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM T 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
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
8/19/2020 7:00 AM 0.00 0.0 M 0.0 M
8/20/2020 7:00 AM 0.00 0.0 M 0.0 M
8/21/2020 7:00 AM 0.10 0.0 M 0.0 M
8/22/2020 7:00 AM 0.00 0.0 M 0.0 M
8/23/2020 7:00 AM 0.00 0.0 M 0.0 M
8/24/2020 7:00 AM 0.00 0.0 M 0.0 M
8/25/2020 7:00 AM 0.00 0.0 M 0.0 M
8/26/2020 7:00 AM 0.00 0.0 M 0.0 M
8/27/2020 7:00 AM T 0.0 M 0.0 M
8/28/2020 7:00 AM 0.03 0.0 M 0.0 M
8/29/2020 7:00 AM 0.03 0.0 M 0.0 M
8/30/2020 7:00 AM 0.03 0.0 M 0.0 M
8/31/2020 7:00 AM 0.02 0.0 M 0.0 M
9/1/2020 7:00 AM 0.09 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
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 We have a dusting of ash and charcoal. It started falling yesterday afternoon and persisted into the evening.
9/8/2020 7:00 AM 0.32 0.0 M 0.0 M
9/9/2020 7:00 AM 0.56 0.5 M 0.5 M Snow coverage was spotty and highly variable. The 0.5" I reported represents what I think is representative of those areas not under some sort of cover, e.g., trees, shrubs, etc..
9/10/2020 7:00 AM 0.01 0.0 M 0.0 M
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
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 0.01 0.0 M 0.0 M
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
12/27/2019 12/29/2019 7:00 AM 3 0.21 3.0 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