Station Overview Station Location
Station Number CO-JF-455 Latitude 39.8084
Station Name Arvada 4.7 W Longitude -105.194354
County Jefferson Elevation (ft) 5717



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 1.16 2.21 31 2.21 31 0.00 0 0 10 1 20.0 7 9
Nov 19 1.02 2.21 30 2.21 30 0.00 0 0 8 2 23.3 7 13
Dec 19 0.70 0.20 31 0.20 31 0.00 0 0 3 4 1.8 2 8
Jan 20 0.49 0.03 31 0.03 31 0.00 0 0 2 1 0.7 2 0
Feb 20 0.57 1.93 29 1.93 29 0.00 0 0 11 2 26.3 9 20
March 20 1.66 1.97 31 1.97 31 0.00 0 0 8 1 9.4 4 5
April 20 2.28 1.80 30 1.80 30 0.00 0 0 10 0 17.6 6 7
May 20 2.41 1.40 31 1.40 31 0.00 0 0 8 7 0.0 0 0
June 20 2.07 1.57 30 1.57 30 0.00 0 0 9 4 0.0 0 0
July 20 1.64 0.05 8 0.05 8 0.00 0 0 1 3 0.0 0 0
Aug 20 2.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 20 1.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 17.24" 13.37" 282 days 13.37" 282 0.00" 0 days 0 70 days 25 days 99.1" 37 days 62 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 0.02
10/2/2019 0.22
10/3/2019 0.02
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 0.13
10/11/2019 0.27
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 0.72
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 0.06
10/28/2019 0.45
10/29/2019 0.07
10/30/2019 0.25
10/31/2019 T
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 0.07
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.17
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 T
11/18/2019 0.00
11/19/2019 0.00
11/20/2019 0.00
11/21/2019 0.20
11/22/2019 0.31
11/23/2019 0.04
11/24/2019 0.00
11/25/2019 0.00
11/26/2019 1.18
11/27/2019 0.20
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.04
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 0.08
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 T
12/15/2019 T
12/16/2019 0.00
12/17/2019 T
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 T
12/27/2019 0.00
12/28/2019 0.06
12/29/2019 0.06
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 T
1/29/2020 0.00
1/30/2020 0.01
1/31/2020 0.02
2/1/2020 0.00
2/2/2020 0.00
2/3/2020 0.05
2/4/2020 0.41
2/5/2020 T
2/6/2020 0.00
2/7/2020 0.32
2/8/2020 0.40
2/9/2020 0.10
2/10/2020 0.13
2/11/2020 0.19
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 0.02
2/19/2020 0.00
2/20/2020 0.12
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.02
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 0.08
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 0.13
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 T
3/19/2020 0.15
3/20/2020 1.21
3/21/2020 0.02
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 0.33
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 0.05
4/3/2020 0.08
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 0.15
4/13/2020 0.19
4/14/2020 0.10
4/15/2020 0.00
4/16/2020 0.83
4/17/2020 0.33
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 0.06
5/4/2020 T
5/5/2020 T
5/6/2020 0.00
5/7/2020 0.00
5/8/2020 0.01
5/9/2020 0.00
5/10/2020 0.00
5/11/2020 0.00
5/12/2020 0.04
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.03
5/16/2020 0.09
5/17/2020 0.03
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 T
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 T
5/25/2020 1.05
5/26/2020 T
5/27/2020 0.00
5/28/2020 T
5/29/2020 0.00
5/30/2020 T
5/31/2020 0.09
6/1/2020 0.05
6/2/2020 0.05
6/3/2020 0.00
6/4/2020 T
6/5/2020 0.00
6/6/2020 T
6/7/2020 0.05
6/8/2020 0.00
6/9/2020 0.39
6/10/2020 T
6/11/2020 0.00
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.00
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.32
6/20/2020 0.00
6/21/2020 0.00
6/22/2020 0.03
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.05
6/26/2020 0.09
6/27/2020 0.54
6/28/2020 0.00
6/29/2020 T
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 T
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.05
7/6/2020 0.00
7/7/2020 T
7/8/2020 T
7/9/2020
7/10/2020
7/11/2020
7/12/2020
7/13/2020
7/14/2020
7/15/2020
7/16/2020
7/17/2020
7/18/2020
7/19/2020
7/20/2020
7/21/2020
7/22/2020
7/23/2020
7/24/2020
7/25/2020
7/26/2020
7/27/2020
7/28/2020
7/29/2020
7/30/2020
7/31/2020
8/1/2020
8/2/2020
8/3/2020
8/4/2020
8/5/2020
8/6/2020
8/7/2020
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
8/18/2020
8/19/2020
8/20/2020
8/21/2020
8/22/2020
8/23/2020
8/24/2020
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
10/1/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
10/2/2019 7:00 AM 0.22 0.0 0.00 0.0 0.00 All night drizzle
10/3/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
10/4/2019 7:00 AM 0.00 0.0 M M M
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 7:00 AM 0.00 0.0 M M M
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 7:20 AM 0.13 0.5 M 0.3 M 0.1" flaze from freezing rain. Snow board frozen onto deck. Put new board on top of original. Moderate snow falling
10/11/2019 7:00 AM 0.27 4.0 0.25 2.5 M
10/12/2019 7:00 AM 0.00 0.0 0.00 T M
10/13/2019 7:00 AM 0.00 0.0 0.00 0.0 M
10/14/2019 7:00 AM 0.00 0.0 M M M
10/15/2019 7:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.00 0.0 M M M
10/17/2019 7:00 AM 0.00 0.0 M M M
10/18/2019 7:00 AM 0.00 0.0 M M M
10/19/2019 7:00 AM 0.00 0.0 M M M
10/20/2019 7:00 AM 0.00 0.0 M M M
10/21/2019 7:00 AM 0.00 0.0 M M M
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:00 AM 0.00 0.0 M M M
10/24/2019 7:00 AM 0.72 6.5 0.66 6.5 M
10/25/2019 7:00 AM 0.00 0.0 0.00 4.0 M
10/26/2019 7:00 AM 0.00 0.0 0.00 1.0 M
10/27/2019 7:00 AM 0.06 0.1 M T M Freezing drizzle 0100 to 0630, then S-
10/28/2019 8:00 AM 0.45 5.0 0.45 5.0 M
10/29/2019 7:00 AM 0.07 1.5 0.07 5.0 M S-
10/30/2019 7:00 AM 0.25 2.4 0.25 6.5 M S--
10/31/2019 7:00 AM T T T 6.0 M
11/1/2019 7:00 AM 0.00 0.0 0.00 4.0 M
11/2/2019 7:00 AM 0.00 0.0 0.00 4.0 M
11/3/2019 7:00 AM 0.00 0.0 0.00 2.0 M
11/4/2019 7:00 AM 0.00 0.0 0.00 T M
11/5/2019 7:00 AM 0.00 0.0 M 0.0 M
11/6/2019 7:00 AM 0.00 0.0 0.00 0.0 M
11/7/2019 7:00 AM 0.07 0.0 0.00 T M Freezing drizzle ended before 0500. Deck was treaturous, fell down once. Clear ice...
11/8/2019 7:00 AM 0.00 0.0 0.00 0.0 M
11/9/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/11/2019 7:40 AM 0.17 2.5 0.09 2.5 M Freezing drizzle then snow
11/12/2019 7:00 AM T T T 1.0 M
11/13/2019 7:00 AM 0.00 0.0 0.00 0.0 M
11/14/2019 7:00 AM 0.00 0.0 0.00 0.0 M
11/15/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/17/2019 7:00 AM T 0.0 0.00 0.0 0.00
11/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Chinook with gusts to 60 mph NW of Arvada
11/19/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/21/2019 8:15 AM 0.20 0.4 M T M Freezing drizzle made deck surfaces like Ice Station Zebra. Conquered ice to get gage by sliding over it on 55 yr old quilt with walking sticks
11/22/2019 7:00 AM 0.31 3.5 0.31 3.5 M Gage and core matched and that's unusual
11/23/2019 7:00 AM 0.04 0.5 M 3.0 M
11/24/2019 7:00 AM 0.00 0.0 0.00 1.0 M
11/25/2019 7:00 AM 0.00 0.0 0.00 T M
11/26/2019 7:40 AM 1.18 14.0 1.18 14.0 M
11/27/2019 7:00 AM 0.20 2.0 0.20 13.0 M
11/28/2019 7:00 AM 0.00 0.0 0.00 11.0 M
11/29/2019 7:00 AM 0.00 0.0 0.00 9.0 M
11/30/2019 7:00 AM 0.04 0.4 M 4.0 M Strong chinook reached a gust of 81.5 mph at NREL Patches of bare ground and drifts. Snow depth later, maybe. pcpn and snowfall measured b4 the wind came up but after snowfall stopped.
12/1/2019 7:00 AM 0.00 0.0 0.00 4.0 M
12/2/2019 7:00 AM 0.00 0.0 0.00 4.0 M
12/3/2019 7:00 AM 0.00 0.0 0.00 2.0 M Chinook pk gust 70 mph
12/4/2019 7:00 AM 0.00 0.0 0.00 1.0 M
12/5/2019 7:00 AM 0.00 0.0 0.00 T M
12/6/2019 7:00 AM 0.08 T M T M
12/7/2019 7:00 AM 0.00 0.0 0.00 T M Patches of snow, some large. These are on north lawns and east facing lawns protected from the voracious chinooks.
12/8/2019 7:00 AM 0.00 0.0 0.00 T M
12/9/2019 7:00 AM 0.00 0.0 0.00 T M Patches of snow
12/10/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/11/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/12/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/13/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2019 7:00 AM T T T T T
12/15/2019 7:00 AM T T T T T
12/16/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/17/2019 7:00 AM T T T T T
12/18/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/19/2019 7:00 AM 0.00 0.0 0.00 0.0 M
12/20/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/21/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/22/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/24/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/25/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/26/2019 7:00 AM T T T 0.0 0.00
12/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/28/2019 7:00 AM 0.06 1.0 0.06 1.0 M
12/29/2019 7:00 AM 0.06 0.8 0.06 1.0 M
12/30/2019 7:00 AM 0.00 0.0 0.00 0.5 M
12/31/2019 7:00 AM 0.00 0.0 0.00 0.5 M
1/1/2020 7:00 AM 0.00 0.0 0.00 T M
1/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/28/2020 7:00 AM T T T 0.0 0.00
1/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/30/2020 7:00 AM 0.01 0.3 M T M
1/31/2020 7:00 AM 0.02 0.4 0.02 T M
2/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/3/2020 8:00 AM 0.05 T M T M Freezing drizzle made deck a skating ri
2/4/2020 7:00 AM 0.41 7.0 0.41 7.0 M
2/5/2020 7:00 AM T T T 5.5 M
2/6/2020 7:00 AM 0.00 0.0 0.00 4.0 M Chinook gusts to 45 mph
2/7/2020 8:00 AM 0.32 3.9 0.32 8.0 M
2/8/2020 7:00 AM 0.40 4.6 0.40 11.0 M Mostly clear
2/9/2020 7:00 AM 0.10 2.0 0.10 10.0 M S-
2/10/2020 7:00 AM 0.13 1.5 0.13 10.0 M
2/11/2020 7:00 AM 0.19 3.0 0.19 11.0 M
2/12/2020 7:00 AM 0.00 0.0 0.00 9.5 M
2/13/2020 6:00 AM 0.17 2.0 0.17 11.0 M A few snow crystals
2/14/2020 7:00 AM T T T 10.0 M
2/15/2020 7:00 AM 0.00 0.0 0.00 7.5 M
2/16/2020 7:00 AM 0.00 0.0 0.00 6.5 M
2/17/2020 7:00 AM 0.00 0.0 0.00 5.5 M
2/18/2020 7:00 AM 0.02 0.3 0.02 5.0 M
2/19/2020 7:00 AM 0.00 0.0 0.00 3.0 M
2/20/2020 7:00 AM 0.12 2.0 0.12 4.5 M
2/21/2020 7:00 AM 0.00 0.0 0.00 3.5 M
2/22/2020 7:00 AM 0.00 0.0 0.00 2.0 M
2/23/2020 7:00 AM 0.00 0.0 0.00 1.0 M
2/24/2020 7:00 AM 0.02 T M T M
2/25/2020 7:00 AM 0.00 0.0 0.00 T M
2/26/2020 7:00 AM 0.00 0.0 0.00 T M
2/27/2020 7:00 AM 0.00 0.0 0.00 T M
2/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Isolated patches of snow
2/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/2/2020 7:00 AM 0.08 0.8 0.08 1.0 M
3/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/9/2020 7:00 AM 0.13 0.0 0.00 0.0 0.00 Pcpn rain
3/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/14/2020 7:00 AM 0.03 T M 0.0 0.00
3/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/17/2020 7:00 AM 0.02 0.0 M 0.0 M Drizzle
3/18/2020 7:00 AM T 0.0 0.00 0.0 0.00
3/19/2020 7:00 AM 0.15 T T 0.0 0.00
3/20/2020 7:00 AM 1.21 6.0 0.91 6.0 M
3/21/2020 7:00 AM 0.02 0.3 M 4.5 M
3/22/2020 7:00 AM 0.00 0.0 0.00 2.5 M
3/23/2020 7:00 AM 0.00 0.0 0.00 T M
3/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2020 7:00 AM 0.33 2.3 0.30 2.5 M
3/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/2/2020 7:20 AM 0.05 0.0 0.00 0.0 0.00 Drizzle then freezing drizzle
4/3/2020 7:00 AM 0.08 0.8 0.07 1.0 M
4/4/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2020 7:00 AM 0.15 1.8 0.15 2.0 M S--
4/13/2020 7:00 AM 0.19 3.3 0.19 4.0 M S--
4/14/2020 7:00 AM 0.10 1.0 M 4.0 M
4/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2020 7:00 AM 0.83 7.7 0.75 7.5 M S- at 0700
4/17/2020 7:00 AM 0.33 3.0 0.28 8.0 M
4/18/2020 7:00 AM 0.00 0.0 0.00 2.0 M
4/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/23/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00
4/24/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00
4/25/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00
4/26/2020 7:00 AM 0.00 0.0 0.00 M M
4/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/28/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/30/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/3/2020 7:00 AM 0.06 0.0 0.00 0.0 0.00
5/4/2020 7:00 AM T 0.0 0.00 0.0 0.00 R--
5/5/2020 7:00 AM T 0.0 0.00 0.0 0.00
5/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/8/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00
5/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/12/2020 7:00 AM 0.04 0.0 0.00 0.0 0.00
5/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/15/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00 Some hail, penny sized
5/16/2020 7:00 AM 0.09 0.0 0.00 0.0 0.00
5/17/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00
5/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/20/2020 7:00 AM T 0.0 0.00 0.0 0.00
5/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/24/2020 7:00 AM T 0.0 0.00 0.0 0.00
5/25/2020 7:00 AM 1.05 0.0 0.00 0.0 0.00
5/26/2020 7:00 AM T 0.0 0.00 0.0 0.00
5/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/28/2020 7:00 AM T 0.0 0.00 0.0 0.00
5/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/30/2020 7:00 AM T 0.0 0.00 0.0 0.00
5/31/2020 7:00 AM 0.09 0.0 0.00 0.0 0.00
6/1/2020 7:00 AM 0.05 0.0 0.00 0.0 0.00
6/2/2020 7:00 AM 0.05 0.0 0.00 0.0 0.00
6/3/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/4/2020 7:00 AM T 0.0 0.00 0.0 0.00
6/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/6/2020 7:00 AM T 0.0 0.00 0.0 0.00
6/7/2020 7:00 AM 0.05 0.0 0.00 0.0 0.00
6/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/9/2020 7:00 AM 0.39 0.0 0.00 0.0 0.00
6/10/2020 7:00 AM T 0.0 0.00 0.0 0.00
6/11/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
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 0.32 0.0 M M M
6/20/2020 7:00 AM 0.00 0.0 M M M
6/21/2020 7:00 AM 0.00 0.0 M M M
6/22/2020 7:00 AM 0.03 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 0.05 0.0 M M M Strong gusty west winds to 48.5 mph at NREL 1725
6/26/2020 7:00 AM 0.09 0.0 M M M
6/27/2020 7:00 AM 0.54 0.0 M M M
6/28/2020 7:00 AM 0.00 0.0 M M M
6/29/2020 7:00 AM T 0.0 M M M
6/30/2020 7:00 AM 0.00 0.0 M M M
7/1/2020 7:00 AM T M M M M
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 0.05 0.0 M M M
7/6/2020 7:00 AM 0.00 0.0 M M M
7/7/2020 7:00 AM T M M M M
7/8/2020 7:00 AM T M 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