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 09 1.14 1.83 19 1.83 19 0.00 0 0 6 0 8.5 2 2
Nov 09 1.01 0.81 16 0.81 16 0.00 0 0 2 0 8.8 2 2
Dec 09 0.68 0.16 7 0.16 7 0.00 0 0 1 0 3.0 1 3
Jan 10 0.48 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 1
Feb 10 0.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 10 1.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 10 2.22 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 2.42 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 2.04 1.69 2 1.69 2 0.00 0 0 2 0 0.0 0 0
July 10 1.61 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 2.02 0.89 7 0.89 7 0.00 0 0 4 0 0.0 0 0
Sept 10 1.18 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 16.99" 5.38" 53 days 5.38" 53 0.00" 0 days 0 15 days 0 days 20.3" 5 days 8 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
10/1/2009
10/2/2009
10/3/2009 0.00
10/4/2009 0.00
10/5/2009 0.00
10/6/2009 0.29
10/7/2009
10/8/2009
10/9/2009 0.07
10/10/2009 0.06
10/11/2009 0.00
10/12/2009
10/13/2009
10/14/2009
10/15/2009 0.00
10/16/2009
10/17/2009
10/18/2009 0.00
10/19/2009
10/20/2009 0.00
10/21/2009 0.47
10/22/2009 0.02
10/23/2009 0.00
10/24/2009 0.00
10/25/2009
10/26/2009 0.00
10/27/2009 0.00
10/28/2009 0.92
10/29/2009 M
10/30/2009 0.00
10/31/2009 0.00
11/1/2009 0.00
11/2/2009 0.00
11/3/2009
11/4/2009 0.00
11/5/2009 0.00
11/6/2009
11/7/2009
11/8/2009 0.00
11/9/2009
11/10/2009 0.00
11/11/2009 0.00
11/12/2009
11/13/2009
11/14/2009 0.14
11/15/2009 0.67
11/16/2009 0.00
11/17/2009 0.00
11/18/2009
11/19/2009 0.00
11/20/2009
11/21/2009
11/22/2009 0.00
11/23/2009 0.00
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009 0.00
11/30/2009 0.00
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009 0.00
12/6/2009
12/7/2009 0.00
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009
12/19/2009
12/20/2009
12/21/2009
12/22/2009 0.00
12/23/2009 0.16
12/24/2009
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010
1/2/2010 0.00
1/3/2010 0.00
1/4/2010
1/5/2010
1/6/2010
1/7/2010
1/8/2010
1/9/2010
1/10/2010
1/11/2010
1/12/2010
1/13/2010
1/14/2010
1/15/2010
1/16/2010
1/17/2010
1/18/2010
1/19/2010
1/20/2010
1/21/2010
1/22/2010
1/23/2010
1/24/2010
1/25/2010
1/26/2010
1/27/2010
1/28/2010
1/29/2010
1/30/2010
1/31/2010
2/1/2010
2/2/2010
2/3/2010
2/4/2010
2/5/2010
2/6/2010
2/7/2010
2/8/2010
2/9/2010
2/10/2010
2/11/2010
2/12/2010
2/13/2010
2/14/2010
2/15/2010
2/16/2010
2/17/2010
2/18/2010
2/19/2010
2/20/2010
2/21/2010
2/22/2010
2/23/2010
2/24/2010
2/25/2010
2/26/2010
2/27/2010
2/28/2010
3/1/2010
3/2/2010
3/3/2010
3/4/2010
3/5/2010
3/6/2010
3/7/2010
3/8/2010
3/9/2010
3/10/2010
3/11/2010
3/12/2010
3/13/2010
3/14/2010
3/15/2010
3/16/2010
3/17/2010
3/18/2010
3/19/2010
3/20/2010
3/21/2010
3/22/2010
3/23/2010
3/24/2010
3/25/2010
3/26/2010
3/27/2010
3/28/2010
3/29/2010
3/30/2010
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010 1.43
6/13/2010
6/14/2010 0.26
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010 0.03
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010 0.47
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010 0.35
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010 0.04
8/25/2010
8/26/2010
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/3/2009 7:00 AM 0.00 0.0 M M M
10/4/2009 7:00 AM 0.00 0.0 M M M
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.29 M M M M
10/9/2009 7:00 AM 0.07 M M M M
10/10/2009 7:00 AM 0.06 0.5 0.05 M M
10/11/2009 7:00 AM 0.00 0.0 M 0.0 M
10/15/2009 7:00 AM 0.00 0.0 M M M
10/18/2009 7:00 AM 0.00 0.0 M M M
10/20/2009 7:00 AM 0.00 0.0 M M M
10/21/2009 2:00 PM 0.47 M M M M
10/22/2009 7:00 AM 0.02 M M M M
10/23/2009 7:00 AM 0.00 0.0 M M M
10/24/2009 7:00 AM 0.00 0.0 M M M
10/26/2009 7:00 AM 0.00 0.0 M M M
10/27/2009 7:00 AM 0.00 0.0 M M M
10/28/2009 7:00 AM 0.92 8.0 0.92 M M Precipitation began as rain and turned to snow around 7:30 pm.
10/29/2009 12:00 PM M M M 16.5 1.09 continual snow throughout the day
10/30/2009 7:00 AM 0.00 0.0 M M M
10/31/2009 1:00 PM 0.00 0.0 M 5.5 0.62
11/1/2009 12:00 PM 0.00 0.0 M 1.5 0.36 Some spots where no snow cover reemains but this sample was traken from a represntative area where snow did remain. The average smow depth including bare spots estimated at 1.0 inches.
11/2/2009 10:30 AM 0.00 0.0 M M M all snow melted
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.00 0.0 M M M
11/8/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M a light frost was present this morning, no further precipitation
11/11/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 11:00 AM 0.14 1.4 0.14 M M
11/15/2009 11:38 AM 0.67 7.4 0.67 7.4 0.67 All snow from yesterday had melted by noon.
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 0.00 M M
11/19/2009 7:00 AM 0.00 0.0 0.00 M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M frost on the grass
11/29/2009 7:00 AM 0.00 0.0 M M M
11/30/2009 7:00 AM 0.00 0.0 M M M
12/5/2009 10:30 AM 0.00 0.0 M 2.0 0.17
12/7/2009 12:30 PM 0.00 0.0 M 3.0 0.31
12/15/2009 7:00 AM 0.00 0.0 M M M
12/16/2009 7:00 AM 0.00 0.0 M M M
12/17/2009 7:00 AM 0.00 0.0 M M M
12/22/2009 7:00 AM 0.00 0.0 M 0.0 M
12/23/2009 11:55 AM 0.16 3.0 0.26 3.0 M
1/2/2010 10:50 AM 0.00 0.0 M 2.5 0.36
1/3/2010 7:00 AM 0.00 0.0 M M M
6/12/2010 7:00 AM 1.43 M M M M 0.38 inches fell yesterday afternoon between 1 pm and 5:15 pm. We had no hail appear here.
6/14/2010 7:00 AM 0.26 M M M M
8/2/2010 7:00 AM 0.03 M M M M
8/7/2010 7:00 AM 0.47 M M M M
8/19/2010 7:00 AM 0.35 M M M M
8/24/2010 7:00 AM 0.04 M M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 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



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
6/11/2010 3:45 PM observation was tken at 6880 Broadway,Denver, CO 80221 No pad available. NA 3/8" NA Mixed|White Ice 8 shredded leaves Intermittent True After rain After smaller hail 10-20