Station Overview Station Location
Station Number CO-AR-114 Latitude 39.6197
Station Name CCL 4.3 SE Longitude -104.7892
County Arapahoe Elevation (ft) 5827



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 1.27 1.53 12 1.53 12 0.00 0 0 2 1 6.2 1 0
Nov 11 0.98 0.67 8 0.67 8 0.00 0 0 1 0 10.9 1 0
Dec 11 0.69 0.92 9 0.92 9 0.00 0 0 3 0 7.5 1 0
Jan 12 0.54 0.41 21 0.41 21 0.00 0 0 5 0 4.3 3 0
Feb 12 0.54 1.45 13 1.45 13 0.00 0 0 3 2 13.7 2 5
March 12 1.55 0.03 11 0.03 11 0.00 0 0 1 0 0.0 0 0
April 12 2.20 0.67 3 0.67 3 0.00 0 0 2 0 2.0 1 1
May 12 2.49 0.61 4 0.61 4 0.00 0 0 2 0 0.0 0 0
June 12 2.04 1.84 23 1.84 23 0.00 0 0 4 3 0.0 0 0
July 12 2.31 1.72 17 1.72 17 0.00 0 0 6 1 0.0 0 0
Aug 12 2.40 0.31 22 0.31 22 0.00 0 0 5 0 0.0 0 0
Sept 12 1.26 2.26 16 2.26 16 0.00 0 0 4 0 0.0 0 0
Water Year Totals: 18.27" 12.42" 159 days 12.42" 159 0.00" 0 days 0 38 days 7 days 44.6" 9 days 6 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 0.00
10/2/2011 0.00
10/3/2011 0.00
10/4/2011
10/5/2011
10/6/2011 0.00
10/7/2011
10/8/2011 0.97
10/9/2011 M
10/10/2011 0.00
10/11/2011
10/12/2011
10/13/2011
10/14/2011
10/15/2011 0.00
10/16/2011
10/17/2011 T
10/18/2011
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.56
10/27/2011
10/28/2011
10/29/2011
10/30/2011 0.00
10/31/2011
11/1/2011
11/2/2011 0.67
11/3/2011
11/4/2011 0.00
11/5/2011
11/6/2011 0.00
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011 0.00
11/12/2011
11/13/2011
11/14/2011 0.00
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 0.00
11/26/2011 0.00
11/27/2011
11/28/2011 0.00
11/29/2011
11/30/2011
12/1/2011 0.29
12/2/2011
12/3/2011
12/4/2011
12/5/2011
12/6/2011
12/7/2011
12/8/2011
12/9/2011 0.00
12/10/2011
12/11/2011 0.00
12/12/2011
12/13/2011
12/14/2011
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 0.00
12/18/2011
12/19/2011
12/20/2011 0.10
12/21/2011
12/22/2011 0.53
12/23/2011
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012
1/8/2012 0.21
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.14
1/12/2012 0.01
1/13/2012 0.00
1/14/2012
1/15/2012 0.00
1/16/2012
1/17/2012 0.02
1/18/2012
1/19/2012 0.00
1/20/2012
1/21/2012 0.00
1/22/2012 0.00
1/23/2012 0.00
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012 0.03
1/29/2012
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012
2/3/2012 0.64
2/4/2012 0.44
2/5/2012 T
2/6/2012 0.00
2/7/2012
2/8/2012
2/9/2012 0.00
2/10/2012
2/11/2012 0.00
2/12/2012
2/13/2012 0.00
2/14/2012
2/15/2012 0.00
2/16/2012
2/17/2012
2/18/2012
2/19/2012
2/20/2012
2/21/2012
2/22/2012
2/23/2012 0.37
2/24/2012
2/25/2012 0.00
2/26/2012 0.00
2/27/2012
2/28/2012
2/29/2012 T
3/1/2012 0.00
3/2/2012 0.03
3/3/2012
3/4/2012
3/5/2012
3/6/2012 0.00
3/7/2012
3/8/2012
3/9/2012
3/10/2012
3/11/2012
3/12/2012
3/13/2012
3/14/2012 0.00
3/15/2012
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012
3/20/2012 0.00
3/21/2012
3/22/2012 0.00
3/23/2012
3/24/2012
3/25/2012
3/26/2012
3/27/2012 0.00
3/28/2012 0.00
3/29/2012
3/30/2012
3/31/2012
Day of YearDaily PrcpMultiday Prcp
4/1/2012
4/2/2012
4/3/2012 0.45
4/4/2012
4/5/2012
4/6/2012
4/7/2012
4/8/2012
4/9/2012
4/10/2012
4/11/2012
4/12/2012
4/13/2012
4/14/2012
4/15/2012
4/16/2012
4/17/2012
4/18/2012
4/19/2012
4/20/2012
4/21/2012
4/22/2012
4/23/2012
4/24/2012
4/25/2012
4/26/2012
4/27/2012 0.22
4/28/2012 0.00
4/29/2012
4/30/2012
5/1/2012
5/2/2012
5/3/2012
5/4/2012
5/5/2012
5/6/2012
5/7/2012
5/8/2012
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
5/20/2012
5/21/2012
5/22/2012
5/23/2012
5/24/2012 0.57
5/25/2012 0.04
5/26/2012 0.00
5/27/2012
5/28/2012 0.00
5/29/2012
5/30/2012
5/31/2012
6/1/2012
6/2/2012
6/3/2012 0.06
6/4/2012 T
6/5/2012
6/6/2012
6/7/2012 1.15
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 0.49
6/16/2012 0.14
6/17/2012 T
6/18/2012 0.00
6/19/2012 0.00
6/20/2012
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 0.00
6/26/2012 0.00
6/27/2012 T
6/28/2012
6/29/2012 0.00
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012
7/2/2012 0.00
7/3/2012 0.00
7/4/2012
7/5/2012
7/6/2012 0.00
7/7/2012 0.06
7/8/2012 0.95
7/9/2012
7/10/2012 0.24
7/11/2012 0.00
7/12/2012
7/13/2012
7/14/2012 0.00
7/15/2012 0.00
7/16/2012 0.00
7/17/2012 0.32
7/18/2012
7/19/2012 0.02
7/20/2012 0.00
7/21/2012
7/22/2012 0.00
7/23/2012
7/24/2012 T
7/25/2012
7/26/2012 0.00
7/27/2012
7/28/2012 0.13
7/29/2012
7/30/2012
7/31/2012
8/1/2012 0.07
8/2/2012 0.10
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 0.00
8/8/2012 0.00
8/9/2012
8/10/2012
8/11/2012
8/12/2012 0.10
8/13/2012 0.00
8/14/2012
8/15/2012 0.00
8/16/2012
8/17/2012 0.00
8/18/2012 0.00
8/19/2012
8/20/2012 0.00
8/21/2012 0.02
8/22/2012 0.00
8/23/2012 0.02
8/24/2012 0.00
8/25/2012 0.00
8/26/2012
8/27/2012
8/28/2012 0.00
8/29/2012
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012
9/3/2012
9/4/2012
9/5/2012
9/6/2012 0.00
9/7/2012
9/8/2012
9/9/2012
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.31
9/13/2012 0.81
9/14/2012
9/15/2012
9/16/2012
9/17/2012
9/18/2012 0.00
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012
9/23/2012
9/24/2012 0.00
9/25/2012 0.00
9/26/2012 0.69
9/27/2012 0.45
9/28/2012 0.00
9/29/2012 0.00
9/30/2012



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M Incredibly clear/stable sky this morning.
10/2/2011 7:00 AM 0.00 0.0 M M M
10/3/2011 7:00 AM 0.00 0.0 M M M
10/6/2011 7:00 AM 0.00 0.0 M M M
10/8/2011 3:00 AM 0.97 M M M M R-/S- Tace of snow/ice on the ground. Overcast.
10/9/2011 7:00 AM M M M M M R- mixed with S- yesterday. Ocnl mixture of snow and ice on ground ystdy. Sky mostly clear at obs time. (edit: daily precip initailly recorded as 0.06". changed to NA due to decimall error suspicion. observer contacted. P.G.)
10/10/2011 7:00 AM 0.00 0.0 M M M
10/15/2011 7:00 AM 0.00 0.0 M M M mostly cloudy at obs time.
10/17/2011 7:00 AM T M M M M RW- after obs time.
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.00 0.0 M M M
10/26/2011 9:00 AM 0.56 6.2 M M M First precip began as R- ystdy afternoon around 4:00 pm. Changed to S- overnight.
10/30/2011 7:00 AM 0.00 0.0 M M M
11/2/2011 9:00 AM 0.67 10.9 M M M
11/4/2011 7:00 AM 0.00 0.0 M M M
11/6/2011 7:00 AM 0.00 0.0 M M M
11/11/2011 7:00 AM 0.00 0.0 M M M
11/14/2011 7:00 AM 0.00 0.0 M M M
11/25/2011 7:00 AM 0.00 0.0 M M M
11/26/2011 7:00 AM 0.00 0.0 M M M
11/28/2011 7:00 AM 0.00 0.0 M M M
12/1/2011 10:00 AM 0.29 M M M M
12/9/2011 7:00 AM 0.00 0.0 M M M
12/11/2011 7:00 AM 0.00 0.0 M M M
12/15/2011 7:00 AM 0.00 0.0 M M M
12/16/2011 7:00 AM 0.00 0.0 M M M
12/17/2011 7:00 AM 0.00 0.0 M M M
12/20/2011 7:00 AM 0.10 M M M M
12/22/2011 8:00 AM 0.53 7.5 M M M
12/31/2011 7:00 AM 0.00 0.0 M M M Back in town. Patchy snow at obs site. Very windy this morning.
1/1/2012 7:00 AM 0.00 0.0 M M M Few patches of snow left. Much less windy this a.m.
1/2/2012 7:00 AM 0.00 0.0 M M M
1/3/2012 7:00 AM 0.00 0.0 M M M Cloudy (red) skies at obs time.
1/4/2012 7:00 AM 0.00 0.0 M M M
1/5/2012 7:00 AM 0.00 0.0 M M M
1/6/2012 7:00 AM 0.00 0.0 M M M
1/8/2012 7:00 AM 0.21 1.6 M M M
1/9/2012 7:00 AM 0.00 0.0 M M M
1/10/2012 7:00 AM 0.00 0.0 M M M
1/11/2012 7:00 AM 0.14 2.5 M M M
1/12/2012 7:00 AM 0.01 M M M M
1/13/2012 7:00 AM 0.00 0.0 M M M
1/15/2012 7:00 AM 0.00 0.0 M M M
1/17/2012 7:00 AM 0.02 0.2 M M M
1/19/2012 7:00 AM 0.00 0.0 M M M
1/21/2012 7:00 AM 0.00 0.0 M M M
1/22/2012 7:00 AM 0.00 0.0 M M M heavy overcast at obs time.
1/23/2012 7:00 AM 0.00 0.0 M M M A windy day yesterday. Mostly cloudy at obs time this A.M.
1/28/2012 7:00 AM 0.03 M M M M No accurate snow depth possible due to melting.
1/30/2012 7:00 AM 0.00 0.0 M M M
1/31/2012 7:00 AM 0.00 0.0 M M M
2/1/2012 7:00 AM 0.00 0.0 M M M
2/3/2012 7:00 AM 0.64 8.9 M 9.0 M
2/4/2012 8:00 AM 0.44 M M 15.5 M Past 24 hr snow much more fluffier than previous day. Some gentle driftin from 14.6 to 16.4". S- at obs time.
2/5/2012 7:00 AM T T M 13.0 1.65
2/6/2012 7:00 AM 0.00 0.0 M M M
2/9/2012 7:00 AM 0.00 0.0 M 12.0 M
2/11/2012 7:00 AM 0.00 0.0 M 9.0 M
2/13/2012 7:00 AM 0.00 0.0 M M M
2/15/2012 7:00 AM 0.00 0.0 M M M
2/23/2012 8:00 AM 0.37 4.8 M M M Overcast and S- at obs time.
2/25/2012 7:00 AM 0.00 0.0 M M M A sunny day yesterday. Approx. 6 inches of snow still on the ground.
2/26/2012 7:00 AM 0.00 0.0 M M M A warm day ystdy - much melting.
2/29/2012 7:00 AM T T M 0.0 M Ocnl SW- yesterday. SW was mixed with snow grains. Melted very shortly after hitting the ground.
3/1/2012 7:00 AM 0.00 0.0 M M M
3/2/2012 7:00 AM 0.03 M M M M SW- ystdy afternoon. Maybe 0.2 inches of snow but most melted as it fell.
3/6/2012 7:00 AM 0.00 0.0 M M M A warm, sunny day.
3/14/2012 7:00 AM 0.00 0.0 M M M
3/16/2012 7:00 AM 0.00 0.0 M M M
3/17/2012 7:00 AM 0.00 0.0 M M M
3/18/2012 7:00 AM 0.00 0.0 M M M
3/20/2012 7:00 AM 0.00 0.0 M M M
3/22/2012 7:00 AM 0.00 0.0 M M M
3/27/2012 7:00 AM 0.00 0.0 M M M Very windy ystdy.
3/28/2012 7:00 AM 0.00 0.0 M M M
4/3/2012 7:00 AM 0.45 2.0 M 2.0 M S- began sometime after 10 PM last night. Very wet, heavy snow. Snow depth approx due to settling of wet, heavy snow.
4/27/2012 7:00 AM 0.22 M M M M TRW- FQT LTGICCCCG last night - mostly East of obs site.
4/28/2012 7:00 AM 0.00 0.0 M M M
5/24/2012 7:00 AM 0.57 M M M M TRW- last night - still TRW- at bedtime. No hail observed. Precip began in mid afternoon as brief sprinkles.
5/25/2012 7:00 AM 0.04 M M M M R- overnight. Start/end times unknown.
5/26/2012 7:00 AM 0.00 0.0 M M M
5/28/2012 7:00 AM 0.00 0.0 M M M
6/3/2012 7:00 AM 0.06 M M M M TRW-. More significant RW passed south of obs site. No Hail or strong winds.
6/4/2012 7:00 AM T M M M M Very brief sprinkle ystdy afternoon around 5:00pm. Heavier RW passed north of obs site.
6/7/2012 7:00 AM 1.15 M M M M RW-- began 7:10pm. RW- started 735 pm. Hail began after bedtime - around 10:10 pm - no size measurement. Significant leaf damage observed this morning. Believe Strongest cells passed E and SE of this obs site. Fqt LTGICCCCG last night. No idea when TRW stopped.
6/8/2012 7:00 AM 0.00 0.0 M M M TRW NE thru SE last night. Distant thunder heard but apparently no precip at this obs site.
6/9/2012 7:00 AM 0.00 0.0 M M M A quiet, hot day today.
6/10/2012 7:00 AM 0.00 0.0 M M M A hot, almost cloudless day.
6/12/2012 7:00 AM 0.00 0.0 M M M
6/13/2012 7:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M Distant lightning (East - Southeast) observed last night.
6/15/2012 7:00 AM 0.49 M M M M TRW early this morning.
6/16/2012 7:00 AM 0.14 M M M M TRW- with hail yesterday afternoon.
6/17/2012 7:00 AM T M M M M A very brief sprinkle. RW--
6/18/2012 7:00 AM 0.00 0.0 M M M
6/19/2012 7:00 AM 0.00 0.0 M M M
6/21/2012 7:00 AM 0.00 0.0 M M M
6/22/2012 7:00 AM 0.00 0.0 M M M
6/23/2012 7:00 AM 0.00 0.0 M M M
6/24/2012 7:00 AM 0.00 0.0 M M M
6/25/2012 7:00 AM 0.00 0.0 M M M
6/26/2012 7:00 AM 0.00 0.0 M M M
6/27/2012 7:00 AM T M M M M Maybe 3 drops hit the ground - very windy with temperatures over 100.
6/29/2012 7:00 AM 0.00 0.0 M M M
6/30/2012 7:00 AM 0.00 0.0 M M M
7/2/2012 7:00 AM 0.00 0.0 M M M
7/3/2012 7:00 AM 0.00 0.0 M M M
7/6/2012 7:00 AM 0.00 0.0 M M M TRW was observed S - W on Thursday afternoon but nothing at this obs site.
7/7/2012 7:00 AM 0.06 M M M M Distant Thunder and lightning from 2:30 pm but no precip. RW- began in the evening for brief period.
7/8/2012 7:00 AM 0.95 M M M M TRW- began 240 pm. TRW began 4:45 pm to 5:10 pm. Only ocnl ltng and thunder. No hail obsvd at any time.
7/10/2012 7:00 AM 0.24 M M M M All rain ystdy morning. No times available.
7/11/2012 7:00 AM 0.00 0.0 M M M
7/14/2012 7:00 AM 0.00 0.0 M M M
7/15/2012 7:00 AM 0.00 0.0 M M M
7/16/2012 7:00 AM 0.00 0.0 M M M
7/17/2012 7:00 AM 0.32 M M M M TRW- ystdy afternoon and early evening.
7/19/2012 7:00 AM 0.02 M M M M
7/20/2012 7:00 AM 0.00 0.0 M M M
7/22/2012 7:00 AM 0.00 0.0 M M M
7/24/2012 7:00 AM T M M M M Very brief sprinkle
7/26/2012 7:00 AM 0.00 0.0 M M M RW- vicinity but not at obs site.
7/28/2012 7:00 AM 0.13 M M M M
8/1/2012 7:00 AM 0.07 M M M M
8/2/2012 7:00 AM 0.10 M M M M First TRW- at 1:10 pm ystdy pm. After that, intmt TRW- into the evening. Exact end time unknown. No hail.
8/3/2012 7:00 AM 0.00 0.0 M M M TRW in the distant - nothing at obs site.
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 7:00 AM 0.00 0.0 M M M
8/6/2012 7:00 AM 0.00 0.0 M M M
8/7/2012 7:00 AM 0.00 0.0 M M M Distant TRW- to the West - nothing even approaching the obs site. Mostly sunny in moring becoming mostly cloudy at sunset.
8/8/2012 7:00 AM 0.00 0.0 M M M
8/12/2012 7:00 AM 0.10 M M M M TRW-
8/13/2012 7:00 AM 0.00 0.0 M M M
8/15/2012 7:00 AM 0.00 0.0 M M M
8/17/2012 7:00 AM 0.00 0.0 M M M
8/18/2012 7:00 AM 0.00 0.0 M M M
8/20/2012 7:00 AM 0.00 0.0 M M M
8/21/2012 7:00 AM 0.02 M M M M R- no thunder.
8/22/2012 7:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM 0.02 M M M M R- overnight - apparently no thunder.
8/24/2012 7:00 AM 0.00 0.0 M M M It is just possible that a minute amount of rain fell overnight - can't prove it.
8/25/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy and breezy this AM.
8/28/2012 7:00 AM 0.00 0.0 M M M
8/30/2012 7:00 AM 0.00 0.0 M M M
8/31/2012 7:00 AM 0.00 0.0 M M M
9/1/2012 7:00 AM 0.00 0.0 M M M
9/6/2012 7:00 AM 0.00 0.0 M M M
9/10/2012 7:00 AM 0.00 0.0 M M M No rain, or even a sprinkle, for 4 days.
9/11/2012 7:00 AM 0.00 0.0 M M M
9/12/2012 8:00 AM 0.31 M M M M R- began overnight.
9/13/2012 7:00 AM 0.81 M M M M Much more rain fell after my 8:00 am reading yesterday. Not sure exactly when rain ended but think it was around 5:00 pm.
9/18/2012 7:00 AM 0.00 0.0 M M M
9/19/2012 7:00 AM 0.00 0.0 M M M
9/20/2012 7:00 AM 0.00 0.0 M M M
9/21/2012 7:00 AM 0.00 0.0 M M M
9/24/2012 7:00 AM 0.00 0.0 M M M Heavy overcast at obs. time - cannot tell if there was any rw-- overnight.
9/25/2012 7:00 AM 0.00 0.0 M M M
9/26/2012 7:00 AM 0.69 M M M M TRW- ystdy afternoon. No hail.
9/27/2012 7:00 AM 0.45 M M M M TRW- ystdy evening with Fqt Ltgiccccg S - W after 8:00 pm. No hail at this obs site.
9/28/2012 7:00 AM 0.00 0.0 M M M
9/29/2012 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
6/15/2012 2:49 PM 1/2" Grape 3/8" 1/4" Pea Size Mixed|White Ice 5 1min no damage Continuous True After rain Same time as smaller hail vertical