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 12 1.27 0.39 21 0.39 21 0.00 0 0 6 0 0.0 0 1
Nov 12 0.98 0.20 18 0.20 18 0.00 0 0 1 0 0.0 0 0
Dec 12 0.69 0.07 3 0.07 3 0.00 0 0 1 0 1.2 1 1
Jan 13 0.54 0.22 12 0.22 12 0.00 0 0 1 2 2.1 1 1
Feb 13 0.54 0.77 3 0.77 3 0.00 0 0 3 0 4.1 2 3
March 13 1.55 1.42 15 1.42 15 0.00 0 0 5 3 17.1 3 4
April 13 2.20 1.04 17 1.04 17 0.00 0 0 6 2 7.6 3 3
May 13 2.49 1.38 17 1.38 17 0.00 0 0 6 2 4.5 1 1
June 13 2.04 0.59 13 0.59 13 0.00 0 0 5 1 0.0 0 0
July 13 2.31 0.04 2 0.04 2 0.00 0 0 1 1 0.0 0 0
Aug 13 2.40 2.39 19 2.39 19 0.00 0 0 11 4 0.0 0 0
Sept 13 1.26 8.83 14 8.83 14 0.00 0 0 7 1 0.0 0 0
Water Year Totals: 18.27" 17.34" 154 days 17.34" 154 0.00" 0 days 0 53 days 16 days 36.6" 11 days 14 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
10/1/2012 0.02
10/2/2012
10/3/2012 0.00
10/4/2012 0.00
10/5/2012 0.11
10/6/2012 0.01
10/7/2012
10/8/2012 0.00
10/9/2012 0.00
10/10/2012
10/11/2012
10/12/2012
10/13/2012 0.02
10/14/2012 0.21
10/15/2012 0.00
10/16/2012
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.00
10/20/2012
10/21/2012 0.00
10/22/2012 0.00
10/23/2012
10/24/2012 0.00
10/25/2012
10/26/2012 0.02
10/27/2012
10/28/2012 0.00
10/29/2012 0.00
10/30/2012 0.00
10/31/2012 0.00
11/1/2012 0.00
11/2/2012
11/3/2012 0.00
11/4/2012
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012
11/9/2012 0.00
11/10/2012 0.00
11/11/2012 0.20
11/12/2012 0.00
11/13/2012
11/14/2012
11/15/2012
11/16/2012 0.00
11/17/2012
11/18/2012 0.00
11/19/2012
11/20/2012
11/21/2012 0.00
11/22/2012 0.00
11/23/2012
11/24/2012
11/25/2012
11/26/2012 0.00
11/27/2012 0.00
11/28/2012 0.00
11/29/2012 0.00
11/30/2012 0.00
12/1/2012
12/2/2012
12/3/2012
12/4/2012 0.00
12/5/2012 0.00
12/6/2012
12/7/2012
12/8/2012
12/9/2012 0.07
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013 0.00
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.00
1/7/2013 0.00
1/8/2013 0.00
1/9/2013
1/10/2013 0.00
1/11/2013
1/12/2013 0.22
1/13/2013
1/14/2013 T
1/15/2013 T
1/16/2013 0.00
1/17/2013 0.00
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013 0.23
2/22/2013
2/23/2013
2/24/2013 0.13
2/25/2013 0.41
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013 0.06
3/6/2013 0.00
3/7/2013
3/8/2013
3/9/2013 T
3/10/2013 0.42
3/11/2013
3/12/2013 0.14
3/13/2013 0.00
3/14/2013
3/15/2013 0.00
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013 0.00
3/21/2013 0.00
3/22/2013 T
3/23/2013 0.70
3/24/2013 0.10
3/25/2013 T
3/26/2013
3/27/2013 0.00
3/28/2013
3/29/2013 0.00
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013 0.07
4/4/2013 0.00
4/5/2013
4/6/2013
4/7/2013
4/8/2013 0.00
4/9/2013 0.22
4/10/2013 0.02
4/11/2013 0.00
4/12/2013
4/13/2013
4/14/2013 0.22
4/15/2013
4/16/2013 0.28
4/17/2013 T
4/18/2013 0.23
4/19/2013 0.00
4/20/2013 0.00
4/21/2013 T
4/22/2013
4/23/2013
4/24/2013
4/25/2013 0.00
4/26/2013 0.00
4/27/2013 0.00
4/28/2013
4/29/2013 0.00
4/30/2013
5/1/2013 0.37
5/2/2013
5/3/2013
5/4/2013 0.00
5/5/2013 0.00
5/6/2013 0.00
5/7/2013
5/8/2013 0.13
5/9/2013 0.69
5/10/2013 0.03
5/11/2013 0.00
5/12/2013
5/13/2013
5/14/2013
5/15/2013 T
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013 T
5/21/2013 0.14
5/22/2013
5/23/2013 0.00
5/24/2013
5/25/2013
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 0.00
5/29/2013 0.00
5/30/2013 0.02
5/31/2013
6/1/2013
6/2/2013
6/3/2013 0.00
6/4/2013
6/5/2013 0.24
6/6/2013 0.00
6/7/2013 0.00
6/8/2013
6/9/2013 0.00
6/10/2013 0.00
6/11/2013 0.00
6/12/2013
6/13/2013
6/14/2013 T
6/15/2013
6/16/2013
6/17/2013 0.04
6/18/2013
6/19/2013 0.02
6/20/2013 0.00
6/21/2013
6/22/2013
6/23/2013
6/24/2013 0.20
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013 0.09
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013 T
7/6/2013
7/7/2013 0.04
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013
7/15/2013
7/16/2013
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013
7/27/2013
7/28/2013
7/29/2013
7/30/2013
7/31/2013
8/1/2013
8/2/2013
8/3/2013 0.11
8/4/2013 0.76
8/5/2013 0.03
8/6/2013 0.00
8/7/2013 T
8/8/2013 T
8/9/2013 0.08
8/10/2013 0.20
8/11/2013 0.79
8/12/2013 0.02
8/13/2013 0.15
8/14/2013
8/15/2013
8/16/2013 T
8/17/2013
8/18/2013 0.00
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013 0.11
8/24/2013
8/25/2013 0.07
8/26/2013 T
8/27/2013
8/28/2013 0.00
8/29/2013
8/30/2013 0.00
8/31/2013 0.07
9/1/2013
9/2/2013 0.00
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013 T
9/10/2013 0.00
9/11/2013 0.83
9/12/2013 2.30
9/13/2013 3.22
9/14/2013
9/15/2013 1.24
9/16/2013 0.12
9/17/2013 0.00
9/18/2013
9/19/2013 0.00
9/20/2013
9/21/2013 0.00
9/22/2013
9/23/2013 1.00
9/24/2013 0.00
9/25/2013
9/26/2013
9/27/2013
9/28/2013 0.12
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:00 AM 0.02 M M M M First sprinkle was at 7:30 pm last night and was R--. More rain overnight with 0.02 inches in the gauge at obs time and. At obs time R-- .
10/3/2012 7:00 AM 0.00 0.0 M M M
10/4/2012 7:00 AM 0.00 0.0 M M M No precip yet (that I can tell). Heavy overcast at obs time with 7:00 am temp. of 35 deg. F.
10/5/2012 7:00 AM 0.11 M M M M
10/6/2012 7:00 AM 0.01 M M M M Hvy overcast with L- at obs time.
10/8/2012 7:00 AM 0.00 0.0 M M M Clear skies this morning.
10/9/2012 7:00 AM 0.00 0.0 M M M
10/13/2012 7:00 AM 0.02 M M M M Tstms early this morning. Awakened from sleep somewhere around 2:00 - 3:00 AM. Very little rain at obs site.
10/14/2012 7:00 AM 0.21 M M M M R- yesterday - no thunder.
10/15/2012 7:00 AM 0.00 0.0 M M M
10/17/2012 7:00 AM 0.00 0.0 M M M Very high winds overnight - blew down my rain gauge and broke the plastic holder. Other lawn objects blown around and blew cover off grill. Still windy this AM.
10/18/2012 7:00 AM 0.00 0.0 M M M Winds beginning to die down. Obs time temp 31 deg.
10/19/2012 7:00 AM 0.00 0.0 M M M
10/21/2012 7:00 AM 0.00 0.0 M M M
10/22/2012 7:00 AM 0.00 0.0 M M M
10/24/2012 7:00 AM 0.00 0.0 M M M Heavy overcast at obs time - no precip.
10/26/2012 7:00 AM 0.02 M M 3.0 0.32
10/28/2012 7:00 AM 0.00 0.0 M M M
10/29/2012 7:00 AM 0.00 0.0 M M M
10/30/2012 7:00 AM 0.00 0.0 M M M
10/31/2012 7:00 AM 0.00 0.0 M M M
11/1/2012 7:00 AM 0.00 0.0 M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/5/2012 7:00 AM 0.00 0.0 M M M
11/6/2012 7:00 AM 0.00 0.0 M M M
11/7/2012 7:00 AM 0.00 0.0 M M M
11/9/2012 7:00 AM 0.00 0.0 M M M
11/10/2012 7:00 AM 0.00 0.0 M M M No precip at obs time but it did start to rain, mixed with snow, later in the morning.
11/11/2012 7:00 AM 0.20 M M M M
11/12/2012 7:00 AM 0.00 0.0 M M M
11/16/2012 7:00 AM 0.00 0.0 M M M
11/18/2012 7:00 AM 0.00 0.0 M M M
11/21/2012 7:00 AM 0.00 0.0 M M M
11/22/2012 7:00 AM 0.00 0.0 M M M
11/26/2012 7:00 AM 0.00 0.0 M M M It is possible that a VERY, VERY light amount of snow fell overnight.
11/27/2012 7:00 AM 0.00 0.0 M M M
11/28/2012 7:00 AM 0.00 0.0 M M M
11/29/2012 7:00 AM 0.00 0.0 M M M
11/30/2012 7:00 AM 0.00 0.0 M M M
12/4/2012 7:00 AM 0.00 0.0 M M M
12/5/2012 7:00 AM 0.00 0.0 M M M Mostly cloudy at obs time.
12/9/2012 7:00 AM 0.07 1.2 M 1.2 M Snow fall/snow depth is an average.
1/3/2013 7:00 AM 0.00 0.0 M M M
1/4/2013 7:00 AM 0.00 0.0 M M M
1/5/2013 7:00 AM 0.00 0.0 M M M
1/6/2013 7:00 AM 0.00 0.0 M M M temp at obs time +12 deg. F.
1/7/2013 7:00 AM 0.00 0.0 M M M
1/8/2013 7:00 AM 0.00 0.0 M M M
1/10/2013 7:00 AM 0.00 0.0 M M M
1/12/2013 7:00 AM 0.22 2.1 M M M
1/14/2013 7:00 AM T T M M M light dusting overnight.
1/15/2013 7:00 AM T T M M M few very light flurries in the A.M. Cleared off in the p.m.
1/16/2013 7:00 AM 0.00 0.0 M 1.0 M Snow on ground now patchy.
1/17/2013 7:00 AM 0.00 0.0 M M M Patchy snow on ground - less than 50% coverage in most places (except in shadows).
2/21/2013 7:00 AM 0.23 3.6 M 3.5 M S- at obs time.
2/24/2013 9:00 AM 0.13 0.5 M 3.5 M Snow depth not precise due to some blowing and drifting. Hardly snowing at obs time but picked up as the morning progressed.
2/25/2013 7:00 AM 0.41 M M 9.0 M
3/5/2013 7:00 AM 0.06 M M M M
3/6/2013 7:00 AM 0.00 0.0 M M M
3/9/2013 7:00 AM T T M M M Only a skiff of snow on the ground at obs time - significant SW- began after 7 AM.
3/10/2013 7:00 AM 0.42 6.0 M 6.0 M clear and sunny at obs time.
3/12/2013 7:00 AM 0.14 1.6 M 4.5 M
3/13/2013 7:00 AM 0.00 0.0 M 2.0 M Snow covering about 70% of ground.
3/15/2013 7:00 AM 0.00 0.0 M M M
3/20/2013 7:00 AM 0.00 0.0 M M M
3/21/2013 7:00 AM 0.00 0.0 M M M
3/22/2013 7:00 AM T M M M M Brief sprinkle.
3/23/2013 10:00 AM 0.70 9.5 M 9.5 M Precip began yesterday evening at mixture of rain/snow. There was also something like sleet but I don't believe it was sleet.
3/24/2013 7:00 AM 0.10 M M M M
3/25/2013 7:00 AM T M M M M Trace of snowfall overnight.
3/27/2013 7:00 AM 0.00 0.0 M M M Snow melting rapidly.
3/29/2013 7:00 AM 0.00 0.0 M M M Overcast at obs time.
4/3/2013 7:00 AM 0.07 M M M M Heavy overcast at obs time and damp.
4/4/2013 7:00 AM 0.00 0.0 M M M
4/8/2013 7:00 AM 0.00 0.0 M M M
4/9/2013 4:00 PM 0.22 3.8 M 4.0 M
4/10/2013 7:00 AM 0.02 0.3 M M M
4/11/2013 7:00 AM 0.00 0.0 M M M
4/14/2013 7:00 AM 0.22 M M M M R- began overnight. R- in progress at 12:30 AM.
4/16/2013 7:00 AM 0.28 3.5 M 3.0 M
4/17/2013 7:00 AM T T M T M Apparently some R- or ZR- overnight. Thin coating of ice on objects this AM.
4/18/2013 7:00 AM 0.23 M M 3.0 M snow depth measurement questionable. Snow fell almost all day yet depth only about 3 inches. Believe mixture of zr and snow gave faulty reading - snowfall mixed with ZR giving a reading below expected
4/19/2013 7:00 AM 0.00 0.0 M M M
4/20/2013 7:00 AM 0.00 0.0 M M M
4/21/2013 7:00 AM T M M M M Brief R-.
4/25/2013 7:00 AM 0.00 0.0 M M M
4/26/2013 7:00 AM 0.00 0.0 M M M
4/27/2013 7:00 AM 0.00 0.0 M M M
4/29/2013 7:00 AM 0.00 0.0 M M M
5/1/2013 2:00 PM 0.37 4.5 M 4.5 M
5/4/2013 7:00 AM 0.00 0.0 M M M
5/5/2013 7:00 AM 0.00 0.0 M M M
5/6/2013 7:00 AM 0.00 0.0 M M M
5/8/2013 2:49 PM 0.13 M M M M TRW- at obs time.
5/9/2013 7:00 AM 0.69 M M M M Believe the R- ended about an hour ago - not sure.
5/10/2013 7:00 AM 0.03 T M M M Rice grain size hail 1203 - 1214 PM.
5/11/2013 7:00 AM 0.00 0.0 M M M
5/15/2013 7:00 AM T M M M M Intmt sprinkles
5/20/2013 7:00 AM T M M M M
5/21/2013 7:00 AM 0.14 M M M M
5/23/2013 7:00 AM 0.00 0.0 M M M
5/26/2013 7:00 AM 0.00 0.0 M M M
5/27/2013 7:00 AM 0.00 0.0 M M M
5/28/2013 7:00 AM 0.00 0.0 M M M mostly cloudy during last three afternoons - RW- vcnty but none at obs site.
5/29/2013 7:00 AM 0.00 0.0 M M M No RW at this time but dark rain clouds to the West. Overcast at obs time.
5/30/2013 7:00 AM 0.02 M M M M Ocnl Rw--/RW- all day yesterday.
6/3/2013 7:00 AM 0.00 0.0 M M M
6/5/2013 7:00 AM 0.24 M M M M Intmt TRW- starting at 6:30 pm ystdy afternoon and continuing overnight. No hail as far as I know.
6/6/2013 7:00 AM 0.00 0.0 M M M
6/7/2013 7:00 AM 0.00 0.0 M M M
6/9/2013 7:00 AM 0.00 0.0 M M M
6/10/2013 7:00 AM 0.00 0.0 M M M
6/11/2013 7:00 AM 0.00 0.0 M M M RW passed south of obs site ystdy afternoon. No RW here.
6/14/2013 7:00 AM T M M M M brief sprinkle - not enough to wet a postage stamp.
6/17/2013 7:00 AM 0.04 M M M M TRW- ystdy afternoon. Tstm distant from obs site but thunder heard. Time is very approx.
6/19/2013 7:00 AM 0.02 M M M M TRW- ystdy afternoon. Main TRW moved North and Northeast of obs site
6/20/2013 7:00 AM 0.00 0.0 M M M
6/24/2013 7:00 AM 0.20 M M M M Intmt TRW- ystdy afternnon into the evening. No hail.
6/29/2013 7:00 AM 0.09 M M M M TRW- first began 1:07 PM ystdy. Intmt TRW- and fqt ltng all afternoon and into the night. Heavy Tstm around 11:30 pm but very little rain. RW passed us by. Somebody got rain but not us.
7/5/2013 7:00 AM T M M M M Trace this morning around 6:00 am
7/7/2013 7:00 AM 0.04 M M M M
8/3/2013 7:00 AM 0.11 M M M M Two TRW- ystdy - no hail. First 4:40 pm and 2nd around 8:00 pm.
8/4/2013 7:00 AM 0.76 M M M M TRW- ocnl TRW beginning in mid pm. RW- still in progress at 9:30 pm. No hail. gusty winds. Main TRW passed East & South of obs site.
8/5/2013 7:00 AM 0.03 M M M M TRW- ystdy afternoon.
8/6/2013 7:00 AM 0.00 0.0 M M M
8/7/2013 7:00 AM T M M M M
8/8/2013 7:00 AM T M M M M
8/9/2013 7:00 AM 0.08 M M M M multile periods of TRW- ystdy afternoon and evening. No hail.
8/10/2013 7:00 AM 0.20 M M M M TRW- during the late afternoon. No hail.
8/11/2013 7:00 AM 0.79 M M M M TRW late ystdy afternoon and early evening. Very brief period of small hail around 6:45 pm.
8/12/2013 7:00 AM 0.02 M M M M TRW- ystdy afternoon. No hail. Ltng and RW observed SE-S but but almost nothing at obs site.
8/13/2013 7:00 AM 0.15 M M M M RW- began ystdy afternoon as brief sprinkles.
8/16/2013 7:00 AM T M M M M Just a very few drops around 6:30 pm.
8/18/2013 7:00 AM 0.00 0.0 M M M
8/23/2013 7:00 AM 0.11 M M M M TRW- late ystdy afternoon and evening. Main TRW moved well South of this obs site. Times not availabe but somewhere around 7:00 pm
8/25/2013 7:00 AM 0.07 M M M M TRW passed overhead at 12:25 AM. Lots of ltng and heavy thunder but very little precip.
8/26/2013 7:00 AM T M M M M RW--
8/28/2013 7:00 AM 0.00 0.0 M M M
8/30/2013 7:00 AM 0.00 0.0 M M M Overcast at obs time - no precip.
8/31/2013 7:00 AM 0.07 M M M M TRW-. No hail
9/2/2013 7:00 AM 0.00 0.0 M M M
9/9/2013 7:00 AM T M M M M TRW-- . LTNG observed and Thunder heard but storm passed South of obs site.
9/10/2013 7:00 AM 0.00 0.0 M M M inferred from maps for daily mapping efforts CSPEARS
9/11/2013 8:30 AM 0.83 M M M M
9/12/2013 7:00 AM 2.30 M M M M
9/13/2013 7:00 AM 3.22 M M M M Obs site on gentle hillside - no major standing water - just some puddles. Water running in street gutters.
9/15/2013 7:00 AM 1.24 M M M M TRW+ 3:25pm plus rice to pea size hail. Heaviest rain at beginning of storm. Obs site on incline so no ponding but streets ran full. Water into basements.
9/16/2013 7:00 AM 0.12 M M M M
9/17/2013 7:00 AM 0.00 0.0 M M M inferred from maps for daily mapping efforts CSPEARS
9/19/2013 7:00 AM 0.00 0.0 M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/23/2013 7:00 AM 1.00 M M M M TRW- first began ystdy 5:27PM. R- overnight.
9/24/2013 7:00 AM 0.00 0.0 M M M
9/28/2013 7:00 AM 0.12 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
5/9/2013 12:03 PM Rice Rice Rice White Ice 11 2min no damage Continuous True Same time as rain Same time as smaller hail vertical
9/14/2013 3:30 PM Just a light coating of small hail - nothing significant. 1/4" Pea Size Rice Rice White Ice 3 1min minor leaf damage Continuous True After rain Same time as smaller hail 10-20