Station Overview Station Location
Station Number CO-JF-256 Latitude 39.8239
Station Name Arvada 5.2 WNW Longitude -105.1823
County Jefferson Elevation (ft) 5636



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 15 1.14 1.74 11 1.74 11 0.00 0 0 6 0 0.0 0 0
Nov 15 1.01 0.54 4 0.54 4 0.00 0 0 1 0 0.0 0 0
Dec 15 0.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 16 0.48 0.28 1 0.28 1 0.00 0 0 1 0 3.0 1 0
Feb 16 0.56 0.27 9 0.27 9 0.00 0 0 1 0 2.8 1 0
March 16 1.63 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 1
April 16 2.22 0.95 5 0.95 3 0.00 2 0 1 0 5.5 1 2
May 16 2.42 1.94 8 1.24 5 0.70 3 1 3 1 0.0 0 0
June 16 2.04 0.00 8 0.00 8 0.00 0 0 0 3 0.0 0 0
July 16 1.61 0.38 2 0.38 2 0.00 0 0 2 0 0.0 0 0
Aug 16 2.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 16 1.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.99" 6.10" 50 days 5.40" 45 0.70" 5 days 1 15 days 4 days 11.3" 3 days 3 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
10/1/2015
10/2/2015
10/3/2015
10/4/2015
10/5/2015
10/6/2015 0.00
10/7/2015 0.15
10/8/2015
10/9/2015
10/10/2015
10/11/2015
10/12/2015
10/13/2015
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015 0.00
10/20/2015 0.00
10/21/2015 0.72
10/22/2015 0.52
10/23/2015 0.32
10/24/2015 0.02
10/25/2015 0.00
10/26/2015 0.00
10/27/2015
10/28/2015 0.01
10/29/2015
10/30/2015
10/31/2015
11/1/2015 0.00
11/2/2015
11/3/2015
11/4/2015
11/5/2015
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015
11/12/2015
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015
11/18/2015 0.54
11/19/2015 0.00
11/20/2015 0.00
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015
11/30/2015
12/1/2015
12/2/2015
12/3/2015
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015
12/13/2015
12/14/2015
12/15/2015
12/16/2015
12/17/2015
12/18/2015
12/19/2015
12/20/2015
12/21/2015
12/22/2015
12/23/2015
12/24/2015
12/25/2015
12/26/2015
12/27/2015
12/28/2015
12/29/2015
12/30/2015
12/31/2015
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016 0.28
1/9/2016
1/10/2016
1/11/2016
1/12/2016
1/13/2016
1/14/2016
1/15/2016
1/16/2016
1/17/2016
1/18/2016
1/19/2016
1/20/2016
1/21/2016
1/22/2016
1/23/2016
1/24/2016
1/25/2016
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016
2/3/2016
2/4/2016
2/5/2016
2/6/2016
2/7/2016
2/8/2016
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016 0.00
2/20/2016 0.00
2/21/2016 0.00
2/22/2016 0.00
2/23/2016 0.27
2/24/2016
2/25/2016
2/26/2016 0.00
2/27/2016 0.00
2/28/2016 0.00
2/29/2016 0.00
3/1/2016 0.00
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016
3/15/2016
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016
3/24/2016 0.00
3/25/2016
3/26/2016
3/27/2016
3/28/2016
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016
4/10/2016
4/11/2016
4/12/2016
4/13/2016
4/14/2016
4/15/2016
4/16/2016 0.95
4/17/2016 0.00
4/18/2016 0.00
4/19/2016
4/20/2016
4/21/2016
4/22/2016
4/23/2016
4/24/2016
4/25/2016
4/26/2016
4/27/2016
4/28/2016
4/29/2016 **
4/30/2016 **
5/1/2016 **
5/2/2016 **
5/3/2016 0.70
5/4/2016
5/5/2016
5/6/2016
5/7/2016
5/8/2016
5/9/2016
5/10/2016
5/11/2016
5/12/2016
5/13/2016
5/14/2016
5/15/2016
5/16/2016 0.46
5/17/2016 0.07
5/18/2016
5/19/2016
5/20/2016
5/21/2016
5/22/2016
5/23/2016 0.71
5/24/2016
5/25/2016
5/26/2016
5/27/2016
5/28/2016
5/29/2016 0.00
5/30/2016
5/31/2016 T
6/1/2016
6/2/2016 T
6/3/2016 0.00
6/4/2016
6/5/2016
6/6/2016
6/7/2016
6/8/2016 T
6/9/2016
6/10/2016 T
6/11/2016
6/12/2016
6/13/2016
6/14/2016
6/15/2016
6/16/2016
6/17/2016
6/18/2016
6/19/2016 0.00
6/20/2016 0.00
6/21/2016 0.00
6/22/2016 0.00
6/23/2016
6/24/2016
6/25/2016
6/26/2016
6/27/2016
6/28/2016
6/29/2016
6/30/2016
Day of YearDaily PrcpMultiday Prcp
7/1/2016
7/2/2016
7/3/2016
7/4/2016 0.21
7/5/2016 0.17
7/6/2016
7/7/2016
7/8/2016
7/9/2016
7/10/2016
7/11/2016
7/12/2016
7/13/2016
7/14/2016
7/15/2016
7/16/2016
7/17/2016
7/18/2016
7/19/2016
7/20/2016
7/21/2016
7/22/2016
7/23/2016
7/24/2016
7/25/2016
7/26/2016
7/27/2016
7/28/2016
7/29/2016
7/30/2016
7/31/2016
8/1/2016
8/2/2016
8/3/2016
8/4/2016
8/5/2016
8/6/2016
8/7/2016
8/8/2016
8/9/2016
8/10/2016
8/11/2016
8/12/2016
8/13/2016
8/14/2016
8/15/2016
8/16/2016
8/17/2016
8/18/2016
8/19/2016
8/20/2016
8/21/2016
8/22/2016
8/23/2016
8/24/2016
8/25/2016
8/26/2016
8/27/2016
8/28/2016
8/29/2016
8/30/2016
8/31/2016
9/1/2016
9/2/2016
9/3/2016
9/4/2016
9/5/2016
9/6/2016
9/7/2016
9/8/2016
9/9/2016
9/10/2016
9/11/2016
9/12/2016
9/13/2016
9/14/2016
9/15/2016
9/16/2016
9/17/2016
9/18/2016
9/19/2016
9/20/2016
9/21/2016
9/22/2016
9/23/2016
9/24/2016
9/25/2016
9/26/2016
9/27/2016
9/28/2016
9/29/2016
9/30/2016



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2015 7:00 AM 0.00 0.0 M M M
10/7/2015 7:00 AM 0.15 M M M M
10/19/2015 7:00 AM 0.00 0.0 M M M
10/20/2015 7:00 AM 0.00 0.0 M M M
10/21/2015 7:47 AM 0.72 M M M M
10/22/2015 9:25 AM 0.52 M M M M
10/23/2015 7:00 AM 0.32 M M M M The accumulation in the rain gauge came from an overnight steady drizzle.
10/24/2015 7:00 AM 0.02 M M M M Icy on steps where water had accumulate. First freeze noted this fall.
10/25/2015 7:00 AM 0.00 0.0 M M M
10/26/2015 7:00 AM 0.00 0.0 M M M
10/28/2015 7:00 AM 0.01 M M M M Ice on ss and windshields of cars outside.
11/1/2015 7:00 AM 0.00 0.0 M M M
11/18/2015 7:00 AM 0.54 M M M M Heavy wet saw was melted by the time of measurement
11/19/2015 7:00 AM 0.00 0.0 M M M
11/20/2015 7:00 AM 0.00 0.0 M M M Heavy frost on windshields
1/8/2016 2:00 PM 0.28 3.0 0.28 M M
2/19/2016 7:00 AM 0.00 0.0 M M M
2/20/2016 7:00 AM 0.00 0.0 M M M
2/21/2016 7:00 AM 0.00 0.0 M M M
2/22/2016 7:00 AM 0.00 0.0 M M M
2/23/2016 7:00 AM 0.27 2.8 M M M
2/26/2016 7:00 AM 0.00 0.0 M M M
2/27/2016 7:00 AM 0.00 0.0 M M M
2/28/2016 7:00 AM 0.00 0.0 M M M
2/29/2016 7:00 AM 0.00 0.0 M M M
3/1/2016 7:00 AM 0.00 0.0 M M M
3/24/2016 12:35 PM 0.00 0.0 M 11.5 1.96
4/16/2016 2:00 PM 0.95 5.5 0.64 M M Samples were taken at a time when it appeared that snowfall was slackening.Rain had fallen starting the evening before about 5:30 pm. Turned to snow around 1:00 am. Streets stayed wet without accumulation.
4/17/2016 1:30 PM 0.00 0.0 M 10.5 1.67 NUMEROUS FRUIT TREES AND LOST BIG BRANCHES AS THY HAD BLOSSOMS AND LEAVES PRESENT TO PROVIDE LOTS OF SURFACE AREA TO. CATCH THE HEAVY WET SNOW. SOME CONIFEROUS TREES ALSO LOST LARGE BRANCHES.
4/18/2016 12:55 PM 0.00 0.0 M 6.0 1.62 The core sample was heavy with slush as I picked it up.
5/16/2016 3:15 PM 0.46 M M M M
5/17/2016 7:00 AM 0.07 M M M M
5/23/2016 7:00 AM 0.71 M M M M HAIL YESTERDAY AFTERNOON FROM ABOUT 1:45 pm to 2:15 pm. The hail ranged from pea size to 0.5 inches in diameter. The deck on or west side was almost completely covered with hail. The hail was predominantly pea size with the last 7 minutes came the larger sizes. This was able to punch holes in the leaves of the rhubarb plants in the back yard.
5/29/2016 7:00 AM 0.00 0.0 M M M
5/31/2016 7:00 AM T M M M M
6/2/2016 7:00 AM T M M M M
6/3/2016 7:00 AM 0.00 0.0 M M M
6/8/2016 7:00 AM T M M M M
6/10/2016 7:00 AM T M M M M
6/19/2016 7:00 AM 0.00 0.0 M M M
6/20/2016 7:00 AM 0.00 0.0 M M M
6/21/2016 7:00 AM 0.00 0.0 M M M
6/22/2016 7:00 AM 0.00 0.0 M M M Heavy dew on grass at 7 am
7/4/2016 7:00 AM 0.21 M M M M
7/5/2016 7:00 AM 0.17 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/29/2016 5/03/2016 7:00 AM 5 0.70 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