Station Overview Station Location
Station Number CO-JF-234 Latitude 39.79953
Station Name Golden 2.9 N Longitude -105.221011
County Jefferson Elevation (ft) 5876



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 11 1.20 1.61 8 0.36 4 1.25 4 1 3 0 1.0 1 0
Nov 11 1.06 0.53 4 0.01 1 0.52 3 1 1 0 0.1 1 0
Dec 11 0.76 1.78 7 1.39 5 0.39 2 1 5 0 23.9 5 5
Jan 12 0.52 0.44 4 0.19 2 0.25 2 1 1 1 2.5 1 1
Feb 12 0.61 1.15 5 1.15 5 0.00 0 0 5 0 21.9 5 4
March 12 1.76 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 12 2.54 1.53 6 1.53 6 0.00 0 0 6 0 4.8 2 2
May 12 2.41 1.87 7 1.87 7 0.00 0 0 7 0 0.0 0 0
June 12 2.21 0.25 5 0.25 5 0.00 0 0 5 0 0.0 0 0
July 12 1.68 2.30 14 0.67 8 1.63 6 1 7 1 0.0 0 0
Aug 12 2.06 0.60 7 0.57 2 0.03 5 1 2 0 0.0 0 0
Sept 12 1.24 1.81 10 0.61 4 1.20 6 2 4 0 0.0 0 0
Water Year Totals: 18.05" 13.87" 77 days 8.60" 49 5.27" 28 days 8 46 days 2 days 54.2" 15 days 12 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
10/1/2011
10/2/2011
10/3/2011
10/4/2011
10/5/2011 0.02
10/6/2011
10/7/2011
10/8/2011
10/9/2011 0.32
10/10/2011 0.00
10/11/2011
10/12/2011
10/13/2011
10/14/2011
10/15/2011
10/16/2011
10/17/2011
10/18/2011 0.02
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011 **
10/25/2011 **
10/26/2011 **
10/27/2011 1.25
10/28/2011
10/29/2011
10/30/2011
10/31/2011
11/1/2011 **
11/2/2011 **
11/3/2011 0.52
11/4/2011
11/5/2011
11/6/2011
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011
11/12/2011
11/13/2011
11/14/2011 0.01
11/15/2011
11/16/2011
11/17/2011
11/18/2011
11/19/2011
11/20/2011
11/21/2011
11/22/2011
11/23/2011
11/24/2011
11/25/2011
11/26/2011
11/27/2011
11/28/2011
11/29/2011
11/30/2011
12/1/2011 **
12/2/2011 0.39
12/3/2011 0.21
12/4/2011
12/5/2011 0.15
12/6/2011
12/7/2011
12/8/2011
12/9/2011
12/10/2011
12/11/2011
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011 0.08
12/21/2011
12/22/2011 0.88
12/23/2011 0.07
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012 0.19
1/9/2012
1/10/2012 **
1/11/2012 0.25
1/12/2012
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012 T
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012 0.65
2/4/2012 0.32
2/5/2012 0.01
2/6/2012
2/7/2012 0.14
2/8/2012
2/9/2012
2/10/2012
2/11/2012
2/12/2012
2/13/2012
2/14/2012
2/15/2012
2/16/2012
2/17/2012
2/18/2012 0.03
2/19/2012
2/20/2012
2/21/2012
2/22/2012
2/23/2012
2/24/2012
2/25/2012
2/26/2012
2/27/2012
2/28/2012
2/29/2012
3/1/2012
3/2/2012
3/3/2012
3/4/2012
3/5/2012
3/6/2012
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012
3/15/2012
3/16/2012
3/17/2012
3/18/2012
3/19/2012
3/20/2012
3/21/2012
3/22/2012
3/23/2012
3/24/2012
3/25/2012
3/26/2012
3/27/2012
3/28/2012
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012
4/4/2012 0.49
4/5/2012
4/6/2012
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012 0.32
4/13/2012
4/14/2012
4/15/2012 0.57
4/16/2012 0.07
4/17/2012
4/18/2012
4/19/2012
4/20/2012 0.01
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012
4/27/2012 0.07
4/28/2012
4/29/2012
4/30/2012
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012 0.01
5/7/2012 0.45
5/8/2012 0.44
5/9/2012
5/10/2012
5/11/2012
5/12/2012
5/13/2012
5/14/2012
5/15/2012
5/16/2012
5/17/2012
5/18/2012
5/19/2012 0.01
5/20/2012 0.49
5/21/2012 0.01
5/22/2012
5/23/2012
5/24/2012 0.46
5/25/2012
5/26/2012
5/27/2012
5/28/2012
5/29/2012
5/30/2012
5/31/2012
6/1/2012
6/2/2012
6/3/2012
6/4/2012
6/5/2012
6/6/2012
6/7/2012 0.03
6/8/2012
6/9/2012
6/10/2012
6/11/2012
6/12/2012
6/13/2012
6/14/2012
6/15/2012 0.01
6/16/2012
6/17/2012
6/18/2012
6/19/2012
6/20/2012
6/21/2012
6/22/2012
6/23/2012
6/24/2012
6/25/2012
6/26/2012
6/27/2012 0.14
6/28/2012 0.06
6/29/2012 0.01
6/30/2012
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012
7/3/2012 0.05
7/4/2012 **
7/5/2012 **
7/6/2012 **
7/7/2012 **
7/8/2012 **
7/9/2012 1.63
7/10/2012
7/11/2012
7/12/2012
7/13/2012
7/14/2012
7/15/2012
7/16/2012
7/17/2012 0.26
7/18/2012 0.04
7/19/2012
7/20/2012
7/21/2012
7/22/2012
7/23/2012
7/24/2012 T
7/25/2012 0.16
7/26/2012 0.03
7/27/2012
7/28/2012
7/29/2012
7/30/2012 0.08
7/31/2012 0.05
8/1/2012 0.53
8/2/2012 0.04
8/3/2012
8/4/2012
8/5/2012
8/6/2012
8/7/2012
8/8/2012
8/9/2012 **
8/10/2012 **
8/11/2012 **
8/12/2012 **
8/13/2012 0.03
8/14/2012
8/15/2012
8/16/2012
8/17/2012
8/18/2012
8/19/2012
8/20/2012
8/21/2012
8/22/2012
8/23/2012
8/24/2012
8/25/2012
8/26/2012
8/27/2012
8/28/2012
8/29/2012
8/30/2012
8/31/2012
9/1/2012 **
9/2/2012 **
9/3/2012 0.12
9/4/2012
9/5/2012
9/6/2012
9/7/2012 0.03
9/8/2012
9/9/2012
9/10/2012
9/11/2012 **
9/12/2012 **
9/13/2012 1.08
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012
9/19/2012
9/20/2012
9/21/2012
9/22/2012
9/23/2012
9/24/2012
9/25/2012
9/26/2012 0.37
9/27/2012 0.20
9/28/2012 0.01
9/29/2012
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/5/2011 7:00 AM 0.02 M M M M
10/9/2011 7:00 AM 0.32 1.0 M 0.0 M snow accumulation is estimated as most of the precipitation melted after it hit the ground. Maximum snowdepth during early afternoon of 10/8 was 0.4" and this melted after the precipitation stopped.
10/10/2011 7:00 AM 0.00 0.0 M M M
10/18/2011 7:00 AM 0.02 0.0 0.00 0.0 M
11/14/2011 7:00 AM 0.01 0.1 M M M
12/3/2011 11:00 AM 0.21 6.1 0.21 9.0 M gauge partially blocked itself. So both liquid equivalents are from a core on the snowboard (1 core total)
12/5/2011 9:00 AM 0.15 2.1 0.15 7.0 M gauge only captured 0.12. The above liquid equivalent is based on the cored value.
12/20/2011 7:00 AM 0.08 1.1 M 2.5 M total depth is estimated as this is currenly highly variable
12/22/2011 7:00 AM 0.88 13.0 0.88 13.0 M Snowboard measurements taken about every 4". Permanent gauge overflowed prior to that measurement. Snow depth at initiation of snowfall ~2.0". Total snow depth increase ~11.5". O.88" liquid refers to snowboard measurements.
12/23/2011 7:00 AM 0.07 1.6 0.07 14.0 M
1/8/2012 7:00 AM 0.19 2.5 0.19 2.0 0.19
1/28/2012 7:00 AM T T M M M
2/3/2012 8:30 AM 0.65 11.5 0.82 10.5 M new snowfall measured utilizing 4" cores on snowboard
2/4/2012 7:30 AM 0.32 6.4 0.41 14.0 M
2/5/2012 7:00 AM 0.01 0.2 0.01 12.0 M
2/7/2012 9:00 AM 0.14 3.3 M M M new snow estimated from area cocorahs reports; was not present during storm but above 0.14 was in the gauge on 2/8
2/18/2012 7:00 AM 0.03 0.5 M 4.0 M values are estimated
4/4/2012 5:00 AM 0.49 3.8 M 2.0 M max snowdepth 3.0 late morning 4/3
4/12/2012 7:00 AM 0.32 0.0 M 0.0 M pea-sized hail, strong winds, frequent lightning ~11-11:30pm
4/15/2012 7:00 AM 0.57 1.0 M 1.0 M Max snow depth estimated at 1.0". Estimated that about 1.5" actually fell as significant melting of some of the snow occurred overnight.
4/16/2012 7:00 AM 0.07 T M 0.0 M Some snow occasionally mixed in. Estimated that 0.1-0.2 fell as snow and melted.
4/20/2012 7:00 AM 0.01 M M M M
4/27/2012 7:00 AM 0.07 M M M M
5/6/2012 7:00 AM 0.01 M M M M strong thunderstorms late just to east and south
5/7/2012 7:00 AM 0.45 M M M M
5/8/2012 7:00 AM 0.44 T M M M minimum temperature 35 which occurred during the day yesterday
5/19/2012 7:00 AM 0.01 M M M M
5/20/2012 7:00 AM 0.49 M M M M
5/21/2012 7:00 AM 0.01 M M M M
5/24/2012 7:00 AM 0.46 M M M M
6/7/2012 7:00 AM 0.03 M M M M
6/15/2012 7:00 AM 0.01 M M M M
6/27/2012 7:00 AM 0.14 M M M M
6/28/2012 7:00 AM 0.06 M M M M
6/29/2012 7:00 AM 0.01 M M M M
7/3/2012 7:00 AM 0.05 M M M M
7/17/2012 7:00 AM 0.26 M M M M
7/18/2012 7:00 AM 0.04 M M M M
7/24/2012 7:00 AM T M M M M
7/25/2012 7:00 AM 0.16 M M M M
7/26/2012 7:00 AM 0.03 M M M M
7/30/2012 7:00 AM 0.08 M M M M
7/31/2012 7:00 AM 0.05 M M M M
8/1/2012 7:00 AM 0.53 M M M M
8/2/2012 7:00 AM 0.04 M M M M
9/7/2012 7:00 AM 0.03 M M M M
9/26/2012 7:00 AM 0.37 M M M M
9/27/2012 7:00 AM 0.20 M M M M
9/28/2012 7:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/24/2011 10/27/2011 7:00 AM 4 1.25 9.3 1.20 Was present during snowfall. Total snowfall estimated at 10.5". Snowboard cleared at ~4" intervals
11/1/2011 11/03/2011 12:00 PM 3 0.52 6.5 0.55 New snowfall estimated at 7.0 total
12/1/2011 12/02/2011 1:00 AM 2 0.39 7.0 M did not make core measurements for the storm, but max. snow depth was estimated at 7.0 (wind was a factor).
1/10/2012 1/11/2012 2:00 PM 2 0.25 5.5 0.28 Max snow depth was 5.4, 2 cores were taken (1 after about 4" of accum.) Total snowfall for the 2 cores was 6.6"
7/4/2012 7/09/2012 7:00 AM 6 1.63 M M
8/9/2012 8/13/2012 7:00 AM 5 0.03 M M
9/1/2012 9/03/2012 5:00 PM 3 0.12 0.0 M
9/11/2012 9/13/2012 7:00 AM 3 1.08 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
4/11/2012 11:00 PM ground white at conclusion of storm 1/4" Pea Size 1/4" Pea Size Rice Mixed 10 3min Continuous True Same time as rain After smaller hail 30-40
7/29/2012 12:45 PM Rice Rice Rice Soft 3 2min no damage Intermittent True After rain 0
7/31/2012 1:00 PM 1/2" Grape 1/4" Pea Size Rice Mixed 5 3min shredded leaves Intermittent True After rain