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 16 1.27 0.21 3 0.21 3 0.00 0 0 1 0 0.0 0 0
Nov 16 0.98 0.43 3 0.43 3 0.00 0 0 1 0 0.0 0 0
Dec 16 0.69 0.37 6 0.37 6 0.00 0 0 1 2 0.0 0 0
Jan 17 0.54 0.00 5 0.00 5 0.00 0 0 0 2 0.0 0 0
Feb 17 0.54 0.00 4 0.00 4 0.00 0 0 0 0 0.0 0 0
March 17 1.55 0.00 5 0.00 5 0.00 0 0 0 0 0.0 0 0
April 17 2.20 1.88 17 1.88 17 0.00 0 0 8 1 10.2 2 1
May 17 2.49 3.98 18 3.98 18 0.00 0 0 8 2 2.0 1 1
June 17 2.04 0.40 11 0.40 11 0.00 0 0 3 1 0.0 0 0
July 17 2.31 1.55 6 1.55 6 0.00 0 0 5 1 0.0 0 0
Aug 17 2.40 1.02 8 1.02 8 0.00 0 0 4 3 0.0 0 0
Sept 17 1.26 0.87 4 0.87 4 0.00 0 0 1 1 0.0 0 0
Water Year Totals: 18.27" 10.71" 90 days 10.71" 90 0.00" 0 days 0 32 days 13 days 12.2" 3 days 2 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
10/1/2016
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016 0.21
10/7/2016
10/8/2016
10/9/2016 0.00
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016 0.00
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016 0.00
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016 0.43
11/23/2016 0.00
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016 T
12/8/2016 T
12/9/2016
12/10/2016 0.00
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016 0.00
12/17/2016 0.37
12/18/2016 0.00
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017 0.00
1/13/2017 T
1/14/2017 0.00
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017 T
1/26/2017
1/27/2017
1/28/2017 0.00
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017 0.00
2/5/2017 0.00
2/6/2017 0.00
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017 0.00
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017 0.00
3/6/2017 0.00
3/7/2017
3/8/2017
3/9/2017
3/10/2017 0.00
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017 0.00
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017 0.00
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017 0.16
4/4/2017 0.15
4/5/2017
4/6/2017 0.00
4/7/2017 0.00
4/8/2017
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017
4/13/2017
4/14/2017
4/15/2017 0.00
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017 0.00
4/21/2017 0.05
4/22/2017 0.24
4/23/2017
4/24/2017 0.00
4/25/2017 0.02
4/26/2017 0.21
4/27/2017 T
4/28/2017
4/29/2017 0.87
4/30/2017 0.18
5/1/2017 0.00
5/2/2017 0.00
5/3/2017 0.29
5/4/2017
5/5/2017 0.00
5/6/2017 0.00
5/7/2017 0.02
5/8/2017
5/9/2017 0.52
5/10/2017
5/11/2017 0.25
5/12/2017 0.00
5/13/2017 0.00
5/14/2017
5/15/2017
5/16/2017 0.00
5/17/2017 T
5/18/2017 1.95
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017 0.20
5/28/2017 0.33
5/29/2017 0.00
5/30/2017 0.42
5/31/2017 T
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017 0.27
6/9/2017 0.00
6/10/2017
6/11/2017
6/12/2017 0.00
6/13/2017
6/14/2017 0.00
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017
6/19/2017
6/20/2017
6/21/2017 T
6/22/2017
6/23/2017 0.02
6/24/2017
6/25/2017
6/26/2017
6/27/2017 0.00
6/28/2017
6/29/2017
6/30/2017 0.11
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017 T
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017 0.07
7/14/2017
7/15/2017 0.11
7/16/2017 0.02
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017 0.30
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017 1.05
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017 0.00
8/3/2017 0.30
8/4/2017 T
8/5/2017 T
8/6/2017
8/7/2017 0.02
8/8/2017 0.42
8/9/2017 T
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017 0.28
8/15/2017
8/16/2017
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017 0.00
9/5/2017
9/6/2017
9/7/2017
9/8/2017 0.00
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017 T
9/24/2017 0.87
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2016 10:00 AM 0.21 M M M M Overcast/R- at obs time.
10/9/2016 7:00 AM 0.00 0.0 M M M
10/22/2016 7:00 AM 0.00 0.0 M M M
11/2/2016 7:00 AM 0.00 0.0 M M M
11/22/2016 11:00 AM 0.43 M M M M
11/23/2016 7:00 AM 0.00 0.0 M M M
12/7/2016 7:00 AM T M M M M Cold dry snow.
12/8/2016 7:00 AM T M M M M Like yesterday, very cold dry snow. About 1 inch on ground.
12/10/2016 7:00 AM 0.00 0.0 M M M
12/16/2016 7:00 AM 0.00 0.0 M M M
12/17/2016 10:00 AM 0.37 M M M M
12/18/2016 3:00 PM 0.00 0.0 M M 0.37
1/12/2017 7:00 AM 0.00 0.0 M M M
1/13/2017 7:00 AM T T M T M
1/14/2017 7:00 AM 0.00 0.0 M M M
1/25/2017 7:00 AM T T M M M Heavy overcast ystdy.
1/28/2017 7:00 AM 0.00 0.0 M M M
2/4/2017 7:00 AM 0.00 0.0 M M M
2/5/2017 7:00 AM 0.00 0.0 M M M
2/6/2017 7:00 AM 0.00 0.0 M M M Ystdy was sunny and warm. A beautiful day.
2/15/2017 7:00 AM 0.00 0.0 M M M
3/5/2017 7:00 AM 0.00 0.0 M M M
3/6/2017 7:00 AM 0.00 0.0 M M M overcast and windy at obs time.
3/10/2017 7:00 AM 0.00 0.0 M M M Overcast at obs time.
3/17/2017 7:00 AM 0.00 0.0 M M M Mostly cloudy at obs time.
3/27/2017 7:00 AM 0.00 0.0 M M M There were reports of R- in the Denver metro area - I did not observe any.
4/3/2017 7:00 AM 0.16 M M M M TRW- after midnight. Estimate time around 2 AM.
4/4/2017 12:00 PM 0.15 0.2 M M M Snow depth estimated due to mixture of rain/snow.
4/6/2017 7:00 AM 0.00 0.0 M M M
4/7/2017 7:00 AM 0.00 0.0 M M M
4/9/2017 7:00 AM 0.00 0.0 M M M
4/10/2017 7:00 AM 0.00 0.0 M M M
4/11/2017 7:00 AM 0.00 0.0 M M M
4/15/2017 6:00 AM 0.00 0.0 M M M
4/20/2017 6:00 AM 0.00 0.0 M M M Overcast at obs time.
4/21/2017 7:00 AM 0.05 M M M M overcast at obs time.
4/22/2017 9:00 AM 0.24 T M M M Overcast at obs time. Some snow fell mixed with ra/DZ so accurate snow measurement not possible.
4/24/2017 7:00 AM 0.00 0.0 M M M
4/25/2017 6:00 AM 0.02 M M M M Overnight R-
4/26/2017 7:00 AM 0.21 T M M M Intmt RW- after 3:00 pm until around 7:20 - not sure when RW ended. T/RW- 6:45 pm till 7:00 pm. Small hail 6:55 pm for about 5 minutes.
4/27/2017 7:00 AM T M M M M Some periods of light drizzle ystdy afternoon. Don't have a time.
4/29/2017 10:00 AM 0.87 10.0 M 10.0 M TRW- ystdy afternoon. Around 4:35 pm small hail - see hail report. At 5:15 S- began. Mix of R-/S- makes total snow amount questionable.
4/30/2017 7:00 AM 0.18 M M M M
5/1/2017 7:00 AM 0.00 0.0 M M M Snow melting rapidly.
5/2/2017 7:00 AM 0.00 0.0 M M M
5/3/2017 9:00 AM 0.29 T M T M TRW- ystdy 6:25 PM/no hail. R- overnight. R-/S- at obs tome. Snow depth unreliable due to some melting and R-.
5/5/2017 7:00 AM 0.00 0.0 M M M
5/6/2017 7:00 AM 0.00 0.0 M M M
5/7/2017 7:00 AM 0.02 M M M M Tstm B415pm - rain B432pm - no hail. Tstm moved well North of obs site.
5/9/2017 7:00 AM 0.52 M M M M Intmt RW-/TRW- afternoon into evening. No hail. ending time not observed.
5/11/2017 7:00 AM 0.25 M M M M
5/12/2017 7:00 AM 0.00 0.0 M M M
5/13/2017 7:00 AM 0.00 0.0 M M M
5/16/2017 7:00 AM 0.00 0.0 M M M
5/17/2017 7:00 AM T M M M M Tstm B0324PM movd NW-N away from obs site. No rain or hail. RW-- 5:40PM.
5/18/2017 1:00 PM 1.95 2.0 M 1.5 M TRW- B 8:35 PM wed night. R-/S- continued thru night. R- intmt S- during day Thurs.. Snow depth est. at 1.5 in. but depth questionable due to R- melting snow on ground.
5/27/2017 1:30 PM 0.20 M M M M R- at obs time.
5/28/2017 7:00 AM 0.33 M M M M
5/29/2017 7:00 AM 0.00 0.0 M M M
5/30/2017 7:00 AM 0.42 M M M M TRW- B245 PM. Hail 3:00 - 3:22. Moderate RW and hail 3:00 to 3:22 PM (see hail report). Some tree leaf damage.
5/31/2017 7:00 AM T M M M M TRW- B10:50 PM. TSTM's East of obs site.
6/8/2017 7:00 AM 0.27 M M M M Periods of TRW- begin ystdy afternoon. Around 9:40 last night sig. Tstm in area w/near cont. lightning. Very loud thunderclap at 3:00 am but no rain here.
6/9/2017 7:00 AM 0.00 0.0 M M M
6/12/2017 6:00 AM 0.00 0.0 M M M
6/14/2017 7:00 AM 0.00 0.0 M M M
6/15/2017 7:00 AM 0.00 0.0 M M M
6/16/2017 7:00 AM 0.00 0.0 M M M
6/17/2017 7:00 AM 0.00 0.0 M M M
6/21/2017 6:00 AM T M M M M TRW- dstnt from obs site but thunder heard.
6/23/2017 6:00 AM 0.02 M M M M R- started just before obs timel. No tstm. Heavy overcast.
6/27/2017 7:00 AM 0.00 0.0 M M M
6/30/2017 7:00 AM 0.11 M M M M Very brief sprinkle/gust of wind ystdy at 1:56pm. Overnight rain.left measurable precip. Start-end times unknown.
7/4/2017 7:00 AM T M M M M Very brief sprinkle. Probably on the extreme edge of a RW-.
7/13/2017 7:00 AM 0.07 M M M M R- overnight.
7/15/2017 7:00 AM 0.11 M M M M Overnight R-
7/16/2017 7:00 AM 0.02 M M M M
7/21/2017 7:00 AM 0.30 M M M M TRW-. No hail.
7/27/2017 7:00 AM 1.05 M M M M First sprinkle 6:25 PM. Intmt periods of TRW- to TRW.
8/2/2017 7:00 AM 0.00 0.0 M M M
8/3/2017 7:00 AM 0.30 M M M M TRW- began around 3:00 AM. RW- may have begun sometime before but it was the dead of night.
8/4/2017 7:00 AM T M M M M TRW- - Thunder heard at 3:00 am.
8/5/2017 7:00 AM T M M M M Brief RW- - ystdy evening.around 6:30 pm. Exact tome not noted.
8/7/2017 7:00 AM 0.02 M M M M R- overnight. Heavy ovc at obs time.
8/8/2017 7:00 AM 0.42 M M M M
8/9/2017 7:00 AM T M M M M Very brief, very light sprinkles ystdy afternoon.
8/14/2017 7:00 AM 0.28 M M M M TRW in late afternoon - no time noted.
9/4/2017 7:00 AM 0.00 0.0 M M M
9/8/2017 7:00 AM 0.00 0.0 M M M Significant smoke from western fires. Moon appears orange.
9/23/2017 7:00 AM T M M M M Very brief sprinkle.
9/24/2017 11:00 AM 0.87 M M M M L- at obs time. Heavy overcast.



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
4/25/2017 6:55 PM Not much wind - small, brief small hail shower. 1/4" Pea Size Rice Rice Mixed|White Ice 5 2min no damage Continuous True After rain Same time as smaller hail
4/28/2017 4:35 PM Rice Rice Rice Soft|White Ice 8 2min no damage Continuous True After rain Same time as smaller hail
5/29/2017 3:02 PM Longest, continuous fall of hail that I can remember. Most hail 1/4-3/8 in. in size. Max hail depth about o.5 inch. 1/2" Grape 3/8" 1/4" Pea Size Hard|White Ice 15 2min minor leaf damage Continuous True After rain Same time as smaller hail 10-20