Station Overview Station Location
Station Number CO-JF-471 Latitude 39.83598
Station Name Arvada 1.8 NE Longitude -105.07923
County Jefferson Elevation (ft) 5503



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 17 1.04 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 0.92 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 0.62 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 0.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 0.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 1.44 1.90 26 1.90 26 0.00 0 0 5 0 6.4 3 3
April 18 2.11 1.32 30 1.32 30 0.00 0 0 7 2 2.5 4 3
May 18 2.36 2.14 31 2.14 31 0.00 0 0 11 0 0.0 0 0
June 18 2.02 0.69 30 0.10 23 0.59 7 1 3 1 0.0 0 0
July 18 1.67 0.92 30 0.92 30 0.00 0 0 9 1 0.0 0 0
Aug 18 2.00 1.21 27 1.21 27 0.00 0 0 7 0 0.0 0 0
Sept 18 1.08 1.74 9 1.74 9 0.00 0 0 3 0 0.0 0 0
Water Year Totals: 16.17" 9.92" 183 days 9.33" 176 0.59" 7 days 1 45 days 4 days 8.9" 7 days 6 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
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017
12/17/2017
12/18/2017
12/19/2017
12/20/2017
12/21/2017
12/22/2017
12/23/2017
12/24/2017
12/25/2017
12/26/2017
12/27/2017
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018 0.00
3/7/2018 0.00
3/8/2018 0.00
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.10
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.82
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.00
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 0.00
3/26/2018 0.00
3/27/2018 0.45
3/28/2018 0.00
3/29/2018 0.46
3/30/2018 0.07
3/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2018 T
4/2/2018 0.00
4/3/2018 0.00
4/4/2018 0.00
4/5/2018 0.00
4/6/2018 0.00
4/7/2018 0.11
4/8/2018 0.00
4/9/2018 T
4/10/2018 0.05
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 0.25
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 0.00
4/17/2018 0.00
4/18/2018 0.00
4/19/2018 0.00
4/20/2018 0.00
4/21/2018 0.52
4/22/2018 0.06
4/23/2018 0.00
4/24/2018 0.16
4/25/2018 0.17
4/26/2018 0.00
4/27/2018 0.00
4/28/2018 0.00
4/29/2018 0.00
4/30/2018 0.00
5/1/2018 0.01
5/2/2018 0.09
5/3/2018 1.05
5/4/2018 0.39
5/5/2018 0.00
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.03
5/13/2018 0.07
5/14/2018 0.07
5/15/2018 0.00
5/16/2018 0.00
5/17/2018 0.00
5/18/2018 0.00
5/19/2018 0.20
5/20/2018 0.12
5/21/2018 0.07
5/22/2018 0.00
5/23/2018 0.00
5/24/2018 0.00
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.00
5/30/2018 0.00
5/31/2018 0.04
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 T
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.00
6/11/2018 0.00
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 0.01
6/16/2018 0.01
6/17/2018 **
6/18/2018 **
6/19/2018 **
6/20/2018 **
6/21/2018 **
6/22/2018 **
6/23/2018 0.59
6/24/2018 0.00
6/25/2018 0.08
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.00
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.01
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.05
7/7/2018 0.00
7/8/2018 0.01
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.55
7/17/2018 0.00
7/18/2018 0.00
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.00
7/23/2018 0.05
7/24/2018 0.12
7/25/2018 0.00
7/26/2018 0.10
7/27/2018 0.02
7/28/2018 0.00
7/29/2018 T
7/30/2018 0.01
7/31/2018
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 0.00
8/4/2018 0.09
8/5/2018 0.00
8/6/2018 0.03
8/7/2018 0.00
8/8/2018
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018 0.00
8/15/2018 0.33
8/16/2018
8/17/2018
8/18/2018
8/19/2018 0.71
8/20/2018 0.01
8/21/2018 0.01
8/22/2018 0.03
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.00
9/2/2018
9/3/2018
9/4/2018
9/5/2018 0.86
9/6/2018 0.36
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018 0.52
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
3/6/2018 8:00 AM 0.00 0.0 M 0.0 M
3/7/2018 7:00 AM 0.00 0.0 M 0.0 M
3/8/2018 9:00 AM 0.00 0.0 M 0.0 M
3/9/2018 8:00 AM 0.00 0.0 M 0.0 M
3/10/2018 7:00 AM 0.00 0.0 M M M
3/11/2018 8:00 AM 0.00 0.0 M M M
3/12/2018 7:00 AM 0.00 0.0 M M M
3/13/2018 8:00 AM 0.00 0.0 M M M
3/14/2018 8:00 AM 0.00 0.0 M M M
3/15/2018 8:00 AM 0.00 0.0 M M M
3/16/2018 7:00 AM 0.10 M M M M Trace before 8pm and a trace after 9pm, but most of this was in between.
3/17/2018 7:00 AM 0.00 0.0 M M M
3/18/2018 8:00 AM 0.00 0.0 M M M
3/19/2018 8:00 AM 0.82 2.8 0.45 2.8 0.45 .1 of mostly rain at 6pm. Then .72 melted snow at 8am
3/20/2018 7:00 AM 0.00 0.0 M M M
3/21/2018 7:00 AM 0.00 0.0 M M M
3/22/2018 8:00 AM 0.00 0.0 M M M
3/23/2018 7:00 AM 0.00 0.0 M M M
3/24/2018 7:00 AM 0.00 0.0 M M M
3/25/2018 7:00 AM 0.00 0.0 M M M
3/26/2018 7:00 AM 0.00 0.0 M M M
3/27/2018 6:00 AM 0.45 2.5 0.34 2.5 0.34 .03 rain between 4:30p and 7p .42 snow rain mix after 7p
3/28/2018 7:00 AM 0.00 0.0 M T M
3/29/2018 7:30 AM 0.46 1.1 0.32 1.1 0.32 .17 rain before 7pm .29 rain snow mix after 7pm
3/30/2018 6:00 AM 0.07 T M M M Changed to snow but did not accumulate
3/31/2018 7:00 AM 0.00 0.0 M M M
4/1/2018 8:00 AM T T M M M
4/2/2018 7:00 AM 0.00 0.0 M M M
4/3/2018 6:30 AM 0.00 0.0 M M M
4/4/2018 7:00 AM 0.00 0.0 M M M
4/5/2018 7:00 AM 0.00 0.0 M M M
4/6/2018 7:00 AM 0.00 0.0 M M M
4/7/2018 8:00 AM 0.11 0.5 0.11 0.5 0.11
4/8/2018 8:00 AM 0.00 0.0 M M M
4/9/2018 7:00 AM T M M 0.0 M Several drops in the funnel but none in the tube
4/10/2018 7:00 AM 0.05 0.0 M 0.0 M This fell as snow between 8a and 9a yesterday
4/11/2018 7:00 PM 0.00 0.0 M M M
4/12/2018 7:00 PM 0.00 0.0 M M M
4/13/2018 7:00 AM 0.25 0.8 0.18 0.8 0.18
4/14/2018 9:00 AM 0.00 0.0 M M M
4/15/2018 7:00 AM 0.00 0.0 M M M
4/16/2018 9:00 AM 0.00 0.0 M M M
4/17/2018 9:00 AM 0.00 0.0 M M M
4/18/2018 7:00 AM 0.00 0.0 M M M
4/19/2018 9:00 AM 0.00 0.0 M M M
4/20/2018 9:00 AM 0.00 0.0 M M M
4/21/2018 9:00 AM 0.52 1.0 0.27 1.0 0.27 Still lightly snowing at time of measurement
4/22/2018 7:00 AM 0.06 M M M M continuation after yesterday's measurement
4/23/2018 7:00 AM 0.00 0.0 M M M
4/24/2018 7:00 AM 0.16 0.2 0.05 M M
4/25/2018 7:00 AM 0.17 T M M M
4/26/2018 7:00 AM 0.00 0.0 M M M
4/27/2018 9:00 AM 0.00 0.0 M M M
4/28/2018 8:00 AM 0.00 0.0 M M M
4/29/2018 9:00 AM 0.00 0.0 M M M
4/30/2018 9:00 AM 0.00 0.0 M M M
5/1/2018 8:00 AM 0.01 M M M M
5/2/2018 8:00 AM 0.09 M M M M Raining at time of measurement
5/3/2018 8:00 AM 1.05 M M M M still raining at time of measurement
5/4/2018 7:00 AM 0.39 M M M M
5/5/2018 9:00 AM 0.00 0.0 M M M
5/6/2018 9:00 AM 0.00 0.0 M M M
5/7/2018 7:00 AM 0.00 0.0 M M M
5/8/2018 9:00 AM 0.00 0.0 M M M
5/9/2018 8:00 AM 0.00 0.0 M M M
5/10/2018 9:00 AM 0.00 0.0 M M M
5/11/2018 9:00 AM 0.00 0.0 M M M
5/12/2018 8:00 AM 0.03 M M M M raining at time of measurement
5/13/2018 8:00 AM 0.07 M M M M
5/14/2018 8:00 AM 0.07 M M M M
5/15/2018 9:00 AM 0.00 0.0 M M M
5/16/2018 9:00 AM 0.00 0.0 M M M
5/17/2018 9:00 AM 0.00 0.0 M M M
5/18/2018 9:00 AM 0.00 0.0 M M M
5/19/2018 8:00 AM 0.20 M M M M
5/20/2018 8:00 AM 0.12 M M M M
5/21/2018 6:00 AM 0.07 M M M M
5/22/2018 9:00 AM 0.00 0.0 M M M
5/23/2018 9:00 AM 0.00 0.0 M M M
5/24/2018 8:00 AM 0.00 0.0 M M M
5/25/2018 9:00 AM 0.00 0.0 M M M
5/26/2018 9:00 AM 0.00 0.0 M M M
5/27/2018 9:00 AM 0.00 0.0 M M M
5/28/2018 9:00 AM 0.00 0.0 M M M
5/29/2018 9:00 AM 0.00 0.0 M M M
5/30/2018 9:00 AM 0.00 0.0 M M M
5/31/2018 8:00 AM 0.04 M M M M
6/1/2018 7:00 AM 0.00 0.0 M M M
6/2/2018 7:00 AM 0.00 0.0 M M M
6/3/2018 9:00 AM 0.00 0.0 M M M
6/4/2018 9:00 AM 0.00 0.0 M M M
6/5/2018 9:00 AM 0.00 0.0 M M M
6/6/2018 9:00 AM 0.00 0.0 M M M
6/7/2018 7:00 AM T M M M M
6/8/2018 9:00 AM 0.00 0.0 M M M
6/9/2018 9:00 AM 0.00 0.0 M M M
6/10/2018 9:00 AM 0.00 0.0 M M M
6/11/2018 9:00 AM 0.00 0.0 M M M
6/12/2018 9:00 AM 0.00 0.0 M M M
6/13/2018 9:00 AM 0.00 0.0 M M M
6/14/2018 8:00 AM 0.00 0.0 M M M
6/15/2018 9:00 AM 0.01 M M M M
6/16/2018 8:00 AM 0.01 M M M M
6/24/2018 7:00 AM 0.00 0.0 M M M
6/25/2018 9:00 AM 0.08 M M M M
6/26/2018 9:00 AM 0.00 0.0 M M M
6/27/2018 8:00 AM 0.00 0.0 M M M
6/28/2018 7:00 AM 0.00 0.0 M M M
6/29/2018 7:00 AM 0.00 0.0 M M M
6/30/2018 7:00 AM 0.00 0.0 M M M
7/1/2018 9:00 AM 0.01 0.0 M M M
7/2/2018 7:00 AM 0.00 0.0 M M M
7/3/2018 7:00 AM 0.00 0.0 M M M
7/4/2018 7:00 AM 0.00 0.0 M M M
7/5/2018 7:00 AM 0.00 0.0 M M M
7/6/2018 8:00 AM 0.05 M M M M
7/7/2018 7:00 AM 0.00 0.0 M M M
7/8/2018 8:00 AM 0.01 M M M M
7/9/2018 7:00 AM 0.00 0.0 M M M
7/10/2018 7:00 AM 0.00 0.0 M M M
7/11/2018 7:00 AM 0.00 0.0 M M M
7/12/2018 7:00 AM 0.00 0.0 M M M
7/13/2018 7:00 AM 0.00 0.0 M M M
7/14/2018 7:00 AM 0.00 0.0 M M M
7/15/2018 7:00 AM 0.00 0.0 M M M
7/16/2018 8:00 AM 0.55 M M M M
7/17/2018 7:00 AM 0.00 0.0 M M M
7/18/2018 7:00 AM 0.00 0.0 M M M
7/19/2018 7:00 AM 0.00 0.0 M M M
7/20/2018 7:00 AM 0.00 0.0 M M M
7/21/2018 7:00 AM 0.00 0.0 M M M
7/22/2018 9:00 AM 0.00 0.0 M M M
7/23/2018 7:00 AM 0.05 M M M M
7/24/2018 8:00 AM 0.12 M M M M
7/25/2018 8:00 AM 0.00 0.0 M M M
7/26/2018 9:00 AM 0.10 M M M M
7/27/2018 8:00 AM 0.02 M M M M
7/28/2018 7:00 AM 0.00 0.0 M M M
7/29/2018 7:00 AM T M M M M
7/30/2018 8:00 AM 0.01 M M M M
8/1/2018 7:00 AM 0.00 0.0 M M M
8/2/2018 7:00 AM 0.00 0.0 M M M
8/3/2018 7:00 AM 0.00 0.0 M M M
8/4/2018 8:00 AM 0.09 M M M M
8/5/2018 8:00 AM 0.00 0.0 M M M
8/6/2018 8:00 AM 0.03 M M M M
8/7/2018 8:00 AM 0.00 0.0 M M M
8/9/2018 7:00 AM 0.00 0.0 M M M
8/10/2018 7:00 AM 0.00 0.0 M M M
8/11/2018 7:00 AM 0.00 0.0 M M M
8/12/2018 7:00 AM 0.00 0.0 M M M
8/13/2018 7:00 AM 0.00 0.0 M M M
8/14/2018 7:00 AM 0.00 0.0 M M M
8/15/2018 8:00 AM 0.33 M M M M
8/19/2018 5:30 AM 0.71 M M M M
8/20/2018 7:00 AM 0.01 M M M M
8/21/2018 7:00 AM 0.01 M M M M
8/22/2018 8:00 AM 0.03 M M M M
8/23/2018 7:00 AM 0.00 0.0 M M M
8/24/2018 7:00 AM 0.00 0.0 M M M
8/25/2018 7:00 AM 0.00 0.0 M M M
8/26/2018 7:00 AM 0.00 0.0 M M M
8/27/2018 7:00 AM 0.00 0.0 M M M
8/28/2018 7:00 AM 0.00 0.0 M M M
8/29/2018 7:00 AM 0.00 0.0 M M M
8/30/2018 7:00 AM 0.00 0.0 M M M
8/31/2018 7:00 AM 0.00 0.0 M M M
9/1/2018 7:00 AM 0.00 0.0 M M M
9/5/2018 8:00 AM 0.86 M M M M
9/6/2018 8:00 AM 0.36 M M M M
9/20/2018 8:00 AM 0.52 M M M M
9/26/2018 9:00 AM 0.00 0.0 M M M
9/27/2018 9:00 AM 0.00 0.0 M M M
9/28/2018 7:00 AM 0.00 0.0 M M M
9/29/2018 9:00 AM 0.00 0.0 M M M
9/30/2018 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/17/2018 6/23/2018 7:00 AM 7 0.59 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