Station Overview Station Location
Station Number CO-JF-456 Latitude 39.8385
Station Name Arvada 5.2 WNW Longitude -105.2014
County Jefferson Elevation (ft) 5893



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 1.19 2.08 6 2.08 6 0.00 0 0 6 0 6.5 2 2
Nov 17 1.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 0.72 0.44 1 0.44 1 0.00 0 0 1 0 3.0 1 1
Jan 18 0.53 1.50 1 1.50 1 0.00 0 0 1 0 8.5 1 1
Feb 18 0.60 1.06 1 1.06 1 0.00 0 0 1 0 7.0 1 1
March 18 1.73 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 2.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 2.46 0.69 3 0.69 3 0.00 0 0 3 0 0.0 0 0
June 18 2.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 18 1.62 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 1.99 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 1.25 1.50 2 1.50 2 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 17.49" 7.27" 14 days 7.27" 14 0.00" 0 days 0 14 days 0 days 25.0" 5 days 5 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 0.07
10/2/2017 0.80
10/3/2017 0.37
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017 0.70
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 0.06
10/28/2017
10/29/2017
10/30/2017 0.08
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 0.44
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 1.50
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 1.06
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
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018
5/11/2018
5/12/2018
5/13/2018
5/14/2018
5/15/2018
5/16/2018
5/17/2018
5/18/2018
5/19/2018 0.12
5/20/2018 0.38
5/21/2018 0.19
5/22/2018
5/23/2018
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018
5/29/2018
5/30/2018
5/31/2018
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018
6/13/2018
6/14/2018
6/15/2018
6/16/2018
6/17/2018
6/18/2018
6/19/2018
6/20/2018
6/21/2018
6/22/2018
6/23/2018
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018
8/16/2018
8/17/2018
8/18/2018
8/19/2018
8/20/2018
8/21/2018
8/22/2018
8/23/2018
8/24/2018
8/25/2018
8/26/2018
8/27/2018
8/28/2018
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018 1.00
9/6/2018 0.50
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
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 10:00 AM 0.07 M M M M
10/2/2017 7:25 AM 0.80 M M M M Rained most of the night. Raining when gage was checked. 100% cloud cover. 46-degrees F.
10/3/2017 7:20 AM 0.37 M M M M Mostly cloudy,
10/9/2017 7:20 AM 0.70 5.5 0.70 5.5 0.70 Was snowing, T = 32 deg. F., rain turned to snow overnight.
10/27/2017 7:30 AM 0.06 1.0 0.06 1.0 0.06 Light, fluffy snow, T=23 deg. mostly clear sky at observation time.
10/30/2017 7:00 AM 0.08 M M T M Cloudy, light rain/mist, some ice
12/24/2017 9:00 AM 0.44 3.0 0.44 3.0 0.44
1/21/2018 2:25 PM 1.50 8.5 1.50 8.5 1.50 Was still snowing steadily at time of measurement. Light winds, some minor drifting in West Arvada.
2/20/2018 9:55 AM 1.06 7.0 1.06 7.0 1.06 Air temp was 5 deg. F.
5/19/2018 10:00 AM 0.12 M M M M
5/20/2018 11:00 AM 0.38 M M M M Was a light soaking rain lasting for hours. Cool temperatures.
5/21/2018 7:28 AM 0.19 M M M M Rain started after a lightning strike. Was cloudy all day. And cool temperatures.
9/5/2018 8:00 AM 1.00 M M M M Strong thunderstorm between about 12:30 AM to 5:00 AM. Frequent lightning strikes. Heavy rain at times.
9/6/2018 7:00 AM 0.50 M M M M Most of this rain came in the afternoon. Cooler temperatures.



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