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 16 1.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 1.02 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 0.72 1.50 1 1.50 1 0.00 0 0 1 0 8.0 1 0
Jan 17 0.53 0.83 2 0.83 2 0.00 0 0 2 0 7.0 2 2
Feb 17 0.60 0.60 1 0.60 1 0.00 0 0 1 0 5.5 1 1
March 17 1.73 0.92 5 0.92 5 0.00 0 0 5 0 0.0 0 0
April 17 2.35 2.98 6 2.98 6 0.00 0 0 6 0 16.5 3 0
May 17 2.46 5.19 10 5.19 10 0.00 0 0 10 0 6.0 1 1
June 17 2.03 0.38 2 0.38 2 0.00 0 0 2 0 0.0 0 0
July 17 1.62 0.75 2 0.75 2 0.00 0 0 2 0 0.0 0 0
Aug 17 1.99 2.33 13 2.33 13 0.00 0 0 13 0 0.0 0 0
Sept 17 1.25 1.67 8 1.67 8 0.00 0 0 6 2 0.0 0 0
Water Year Totals: 17.49" 17.15" 50 days 17.15" 50 0.00" 0 days 0 48 days 2 days 43.0" 8 days 4 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
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016 1.50
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017 0.20
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017 0.63
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017 0.60
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017 0.25
3/25/2017
3/26/2017
3/27/2017 0.05
3/28/2017 0.10
3/29/2017 0.50
3/30/2017
3/31/2017 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.30
4/2/2017
4/3/2017
4/4/2017 0.75
4/5/2017 0.38
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017 0.45
4/22/2017 0.10
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017 1.00
4/30/2017
5/1/2017
5/2/2017
5/3/2017 0.20
5/4/2017 0.10
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017 0.62
5/10/2017
5/11/2017 1.42
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017 1.03
5/19/2017 0.50
5/20/2017
5/21/2017
5/22/2017 0.20
5/23/2017 0.28
5/24/2017
5/25/2017
5/26/2017 0.28
5/27/2017
5/28/2017 0.56
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017 0.10
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017 0.28
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017 0.15
7/27/2017 0.60
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017 0.18
8/4/2017 0.02
8/5/2017
8/6/2017 0.01
8/7/2017 0.08
8/8/2017 1.02
8/9/2017 0.01
8/10/2017 0.01
8/11/2017 0.22
8/12/2017
8/13/2017 0.70
8/14/2017 0.01
8/15/2017 0.01
8/16/2017 0.01
8/17/2017 0.05
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017 T
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017 0.80
9/25/2017 0.12
9/26/2017 0.03
9/27/2017 0.23
9/28/2017 0.47
9/29/2017 0.02
9/30/2017 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/17/2016 9:30 AM 1.50 8.0 1.50 M M Fluffy, light snow, 8" deep on ground, easy to shovel. West Arvada, Colorado.
1/3/2017 11:00 AM 0.20 1.0 0.20 1.0 0.20
1/16/2017 1:10 PM 0.63 6.0 0.63 6.0 0.63 6-inches of snow yielded 5/8-inch water or 0.63". Finished snowing. Temperature of 31-degrees.
2/24/2017 8:00 AM 0.60 5.5 0.60 5.5 0.60 light snow with high air content; snowed lightly for most of the time with some short duration, heavier flurries
3/24/2017 7:38 AM 0.25 M M M M Light snow in foothills to west starting at 6000 ft elev. Cloudy, 10 mph west wind. Temp = 37-deg. Long dry spell leading up to this; soil dry.
3/27/2017 7:00 AM 0.05 M M M M Light rain. Cloudy all morning.
3/28/2017 8:00 AM 0.10 M M M M Raining lightly, ground was wet, Temp = 43 deg F. Later, at 10:00 AM, saw snow above 7500 ft in Boulder County.
3/29/2017 8:07 AM 0.50 M M M M Rain stopped, no snow at 5800 ft elev, 38 degrees.
3/31/2017 7:21 AM 0.02 M M M M High humidity, cloudy.
4/1/2017 10:45 AM 0.30 M M M M Rain/snow mix. No accumulation. Temp = 40 deg. Light rain still falling.
4/4/2017 7:20 AM 0.75 6.0 0.75 M M Was still snowing lightly at 7:20 AM; sky was starting to clear. Wet heavy snow.
4/5/2017 7:15 AM 0.38 2.5 0.38 M M
4/21/2017 7:00 AM 0.45 M M M M Runoff flow in gutters. Not raining at 7:00 AM. First rain produced 0.2 inches. More overnight.
4/22/2017 9:10 AM 0.10 M M M M Light rain overnight.
4/29/2017 11:00 AM 1.00 8.0 1.00 M M Still snowing at time of measurement. Wet, spring snow, Temp = 31 deg. F.
5/3/2017 7:00 AM 0.20 M M M M
5/4/2017 7:00 AM 0.10 M M M M
5/9/2017 7:15 AM 0.62 M M M M Received some pea-size hail for 10 minutes. Rained in spurts. Thunderstorms. 5/8/17: 1450-1520: 0.18". Heavy downpour at 1958 hours.
5/11/2017 7:08 AM 1.42 M M M M Heaviest rain was yesterday afternoon, 0.5" in 3 hours from 12:53 to 3:50. Light rain at time of measurement today.
5/18/2017 7:18 AM 1.03 M M M M Steady rain throughout night. Snowfall started at 6:58 AM on 5-18-2017 turning heavy at 7:50 AM. T = 34 deg.
5/19/2017 7:00 AM 0.50 6.0 1.50 6.0 1.50 About 25% of the initial snowfall melted as it hit the ground. Actual snowfall was probably in range of 6-9 inches.
5/22/2017 7:00 AM 0.20 M M M M Overnight thunderstorm.
5/23/2017 7:00 AM 0.28 M M M M
5/26/2017 7:00 AM 0.28 M M M M 0.23" of rain fell between 12:02 AM and 1:00 AM during a fast moving thunderstorm with high wind gusts.
5/28/2017 7:00 AM 0.56 M M M M Heavy downpour ending at 2:40 PM on 5/27/2017.
6/3/2017 7:00 AM 0.10 M M M M 15 minute shower on afternoon of 6/2/17 around 12:20 PM. Scattered clouds and storms all around.
6/23/2017 7:42 AM 0.28 M M M M Cloudy. Misting. Rain started after midnight. Nice cool down from yesterday. T = 47 deg.
7/26/2017 7:00 AM 0.15 M M M M Scattered rain showers.
7/27/2017 7:00 AM 0.60 M M M M Most of rain came late in the evening on 7/26. The sky was clear this morning when I read gage.
8/3/2017 8:12 AM 0.18 M M M M Overnight thunderstorm with rain. Cooler temperature.
8/4/2017 7:00 AM 0.02 M M M M 8/3/17: Overcast sky, cool temperatures, light rain for about 30 minutes in the afternoon.
8/6/2017 7:00 AM 0.01 M M M M
8/7/2017 7:00 AM 0.08 M M M M Was overcast with light rain at reading.
8/8/2017 7:00 AM 1.02 M M M M Cloudy, rainy, & cool all day on 8/7/17.
8/9/2017 7:00 AM 0.01 M M M M
8/10/2017 7:00 AM 0.01 M M M M
8/11/2017 8:15 AM 0.22 M M M M Most of precipitation came during late afternoon, fast moving storm that occurred between 3:30 - 4:30 PM.
8/13/2017 7:00 AM 0.70 M M M M 8/12: Rain came during a short, intense thunderstorm between 3-5 PM. With small hail.
8/14/2017 7:00 AM 0.01 M M M M
8/15/2017 7:00 AM 0.01 M M M M
8/16/2017 7:00 AM 0.01 M M M M
8/17/2017 7:00 AM 0.05 M M M M Scattered, short showers. Cool, calm air.
9/9/2017 7:00 AM T M M M M
9/24/2017 10:00 AM 0.80 M M M M Heaviest rain on evening of 9/23/2017.
9/25/2017 7:00 AM 0.12 M M M M Rain had stopped; cloudy; Temp = 44-degrees F.
9/26/2017 7:20 AM 0.03 M M M M Cloudy, cool
9/27/2017 7:19 AM 0.23 M M M M cloudy, raining lightly, T=51-degress F., Most of this rain came early evening on 9/26/17.
9/28/2017 7:27 AM 0.47 M M M M Cloudy, light rain, 49°F., light soaking rain overnight.
9/29/2017 7:15 AM 0.02 M M M M Cloudy, 49°F, 86% humidity, not raining
9/30/2017 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