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 09 1.20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 1.06 0.25 1 0.25 1 0.00 0 0 1 0 2.5 1 1
Dec 09 0.76 0.27 1 0.27 1 0.00 0 0 1 0 6.1 1 1
Jan 10 0.52 0.21 1 0.21 1 0.00 0 0 1 0 4.8 1 1
Feb 10 0.61 0.88 4 0.88 4 0.00 0 0 4 0 7.9 3 4
March 10 1.76 3.28 9 1.51 7 1.77 2 1 6 1 17.5 5 4
April 10 2.54 3.46 10 3.46 10 0.00 0 0 8 1 9.6 3 2
May 10 2.41 1.54 6 1.54 6 0.00 0 0 6 0 4.5 4 2
June 10 2.21 2.47 5 0.08 2 2.39 3 1 2 0 0.0 0 0
July 10 1.68 1.08 10 0.97 6 0.11 4 1 6 0 0.0 0 0
Aug 10 2.06 1.58 6 1.58 6 0.00 0 0 6 0 0.0 0 0
Sept 10 1.24 0.01 1 0.01 1 0.00 0 0 1 0 0.0 0 0
Water Year Totals: 18.05" 15.03" 54 days 10.76" 45 4.27" 9 days 3 42 days 2 days 52.9" 18 days 15 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
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009
11/10/2009
11/11/2009
11/12/2009
11/13/2009
11/14/2009 0.25
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009
11/21/2009
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009
11/30/2009
12/1/2009
12/2/2009
12/3/2009
12/4/2009
12/5/2009
12/6/2009
12/7/2009
12/8/2009
12/9/2009
12/10/2009
12/11/2009
12/12/2009
12/13/2009
12/14/2009
12/15/2009
12/16/2009
12/17/2009
12/18/2009
12/19/2009
12/20/2009
12/21/2009
12/22/2009
12/23/2009
12/24/2009 0.27
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
1/3/2010
1/4/2010
1/5/2010
1/6/2010
1/7/2010 0.21
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 0.40
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 0.18
2/20/2010
2/21/2010
2/22/2010 0.11
2/23/2010
2/24/2010
2/25/2010
2/26/2010 0.19
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 0.02
3/9/2010
3/10/2010 T
3/11/2010 0.09
3/12/2010
3/13/2010
3/14/2010
3/15/2010 0.35
3/16/2010
3/17/2010
3/18/2010
3/19/2010 0.55
3/20/2010 0.45
3/21/2010
3/22/2010
3/23/2010 **
3/24/2010 1.77
3/25/2010
3/26/2010
3/27/2010 0.05
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 0.01
4/7/2010 0.33
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010 0.00
4/13/2010 0.02
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010 0.02
4/19/2010
4/20/2010
4/21/2010 T
4/22/2010 0.78
4/23/2010 0.80
4/24/2010 1.29
4/25/2010
4/26/2010 0.21
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010 0.03
5/4/2010
5/5/2010
5/6/2010
5/7/2010 0.10
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010 0.74
5/13/2010 0.26
5/14/2010
5/15/2010 0.37
5/16/2010 0.04
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 0.01
6/10/2010
6/11/2010 **
6/12/2010 **
6/13/2010 2.39
6/14/2010
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 0.07
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 0.36
7/8/2010 0.24
7/9/2010 0.09
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010 0.19
7/16/2010
7/17/2010 **
7/18/2010 **
7/19/2010 **
7/20/2010 0.11
7/21/2010
7/22/2010
7/23/2010 0.04
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010 0.05
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010 0.15
8/3/2010 0.06
8/4/2010
8/5/2010
8/6/2010 0.04
8/7/2010
8/8/2010
8/9/2010
8/10/2010 0.87
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010 0.06
8/18/2010
8/19/2010
8/20/2010 0.40
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
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 0.01
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
11/14/2009 7:00 AM 0.25 2.5 M 2.5 M Estimated 0.1" snow melted at beginning of the event. Also, brief rainfall at beginning.
12/24/2009 7:00 AM 0.27 6.1 0.21 8.0 M
1/7/2010 7:00 AM 0.21 4.8 0.22 4.0 M 0.22 in a core at the end of the storm. Max snow depth 4.5". Some settling occurred overnight.
2/8/2010 9:30 AM 0.40 M M 4.5 M 4.7" snow depth, liquid estimated at this point
2/19/2010 7:00 AM 0.18 2.5 0.19 2.5 0.19 (snowboard core was 0.19)
2/22/2010 7:00 AM 0.11 2.2 0.12 5.0 M
2/26/2010 7:00 AM 0.19 3.2 0.20 5.0 M a bit of melting occurred on the board during the initial portion of the snowfall.
3/8/2010 7:00 AM 0.02 M M M M
3/10/2010 7:00 AM T T M M M
3/11/2010 7:00 AM 0.09 1.5 M 1.0 M snowfall is estimated
3/15/2010 7:00 AM 0.35 2.3 M 1.5 M some brief rain mixed in on the afternoon of the 14th.
3/19/2010 9:00 AM 0.55 4.9 0.48 5.0 0.48 a period of freezing rain overnight. Moderate to heavy snow at the moment.
3/20/2010 7:00 AM 0.45 8.3 0.45 10.5 1.00 yesterday's obs. was at 9am. Liquid values above are from the snowboard for both days. Total 2-day liquid in the gauge was 0.85".
3/27/2010 7:00 AM 0.05 0.5 M M M
4/6/2010 8:00 AM 0.01 T M T M rain and graupel earlier this morning
4/7/2010 9:00 AM 0.33 5.8 0.35 5.5 M
4/12/2010 7:00 AM 0.00 0.0 M 0.0 M
4/13/2010 7:00 AM 0.02 T M 0.0 M showers and some soft hail and lots of wind overnight.
4/18/2010 7:00 AM 0.02 M M M M
4/21/2010 7:00 AM T M M M M
4/22/2010 7:00 AM 0.78 M M M M
4/23/2010 7:00 AM 0.80 M M M M
4/24/2010 7:00 AM 1.29 2.5 M 0.0 M snowfall estimated. Max depth 2.5"
4/26/2010 7:00 AM 0.21 1.3 0.10 1.0 0.10 some snotfall melted on impact. new snowfall estimated. Changeover to snow occurred 8-8:30 pm.
5/3/2010 7:00 AM 0.03 0.2 M M M graupel shower. Min Temp 32
5/7/2010 7:00 AM 0.10 0.5 M 0.5 M showers in evening, snow showers overnight.
5/12/2010 7:00 AM 0.74 2.5 0.28 2.5 0.28 Rain, hail, graupel, snow all observed. Adjustment to gauge capture was made due to partial bridging of gauge. Estimated actual snowfall 3.0". Extensive melting occurred (including snowboard) for the first 0.5-1.0" of snowfall.
5/13/2010 7:00 AM 0.26 1.3 M M M snowfall estimated, some melted as it fell
5/15/2010 7:00 AM 0.37 M M M M
5/16/2010 7:00 AM 0.04 M M M M min Temp 33
6/9/2010 7:00 AM 0.01 M M M M
6/27/2010 7:00 AM 0.07 M M M M
7/7/2010 7:00 AM 0.36 M M M M
7/8/2010 7:00 AM 0.24 M M M M
7/9/2010 7:00 AM 0.09 M M M M
7/15/2010 7:00 AM 0.19 M M M M some pea-sized hail
7/23/2010 7:00 AM 0.04 M M M M
7/28/2010 7:00 AM 0.05 M M M M
8/2/2010 7:00 AM 0.15 M M M M
8/3/2010 7:00 AM 0.06 M M M M
8/6/2010 7:00 AM 0.04 M M M M
8/10/2010 7:00 AM 0.87 M M M M
8/17/2010 7:00 AM 0.06 M M M M
8/20/2010 7:00 AM 0.40 M M M M
9/23/2010 7:00 AM 0.01 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
3/23/2010 3/24/2010 10:00 AM 2 1.77 12.5 M total snowfall measured at approx. 13.5" (windy) and significant rain prior to snow
6/11/2010 6/13/2010 8:00 PM 3 2.39 M M
7/17/2010 7/20/2010 11:00 PM 4 0.11 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
7/14/2010 8:00 PM 1/4" Pea Size Rice Rice White Ice 2 1min Intermittent True After rain After smaller hail 10-20