Station Overview Station Location
Station Number CO-AR-245 Latitude 39.661473
Station Name Denver 5.1 SSE Longitude -104.920657
County Arapahoe Elevation (ft) 5513



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 15 1.32 2.24 5 0.29 2 1.95 3 1 1 1 0.0 0 0
Nov 15 0.87 2.88 12 1.99 10 0.89 2 1 8 0 10.8 5 8
Dec 15 0.73 1.42 21 1.42 15 0.00 6 1 7 2 3.7 2 12
Jan 16 0.52 0.32 10 0.32 6 0.00 4 2 3 0 2.0 1 4
Feb 16 0.50 0.22 11 0.22 9 0.00 2 1 2 0 2.5 2 8
March 16 1.47 3.21 14 0.92 12 2.29 2 1 6 2 7.9 3 6
April 16 2.13 1.04 25 1.04 6 0.00 19 1 5 0 2.2 2 2
May 16 2.50 1.66 27 1.41 17 0.25 10 3 9 5 0.0 0 0
June 16 1.91 1.30 35 1.30 14 0.00 21 3 6 5 0.0 0 0
July 16 2.12 2.27 44 0.99 10 1.28 34 3 3 4 0.0 0 0
Aug 16 2.26 1.37 33 1.37 26 0.00 7 3 10 2 0.0 0 0
Sept 16 1.30 0.09 32 0.09 17 0.00 15 4 4 1 0.0 0 0
Water Year Totals: 17.63" 18.02" 269 days 11.36" 144 6.66" 125 days 24 64 days 22 days 29.1" 15 days 40 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
10/1/2015
10/2/2015
10/3/2015
10/4/2015
10/5/2015
10/6/2015
10/7/2015 0.29
10/8/2015
10/9/2015
10/10/2015
10/11/2015
10/12/2015
10/13/2015
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015 T
10/20/2015 **
10/21/2015 **
10/22/2015 1.95
10/23/2015
10/24/2015
10/25/2015
10/26/2015
10/27/2015
10/28/2015
10/29/2015
10/30/2015
10/31/2015
11/1/2015
11/2/2015
11/3/2015
11/4/2015
11/5/2015 0.44
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015 0.43
11/12/2015 0.25
11/13/2015 0.00
11/14/2015
11/15/2015
11/16/2015 **
11/17/2015 0.89
11/18/2015 0.50
11/19/2015
11/20/2015
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015 0.01
11/27/2015 0.11
11/28/2015 0.02
11/29/2015 0.00
11/30/2015 0.23
12/1/2015 0.30
12/2/2015 0.26
12/3/2015 0.25
12/4/2015 0.21
12/5/2015 0.00
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015
12/13/2015 0.18
12/14/2015 0.11
12/15/2015 **
12/16/2015 M
12/17/2015 0.00
12/18/2015 0.00
12/19/2015 0.00
12/20/2015 0.00
12/21/2015 T
12/22/2015
12/23/2015 T
12/24/2015
12/25/2015
12/26/2015 0.11
12/27/2015 0.00
12/28/2015 **
12/29/2015 **
12/30/2015 **
12/31/2015 **
Day of YearDaily PrcpMultiday Prcp
1/1/2016 **
1/2/2016 M
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016 **
1/9/2016 M
1/10/2016 0.17
1/11/2016 0.00
1/12/2016 0.00
1/13/2016 0.00
1/14/2016
1/15/2016
1/16/2016
1/17/2016
1/18/2016
1/19/2016 0.02
1/20/2016
1/21/2016
1/22/2016
1/23/2016
1/24/2016
1/25/2016
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016 0.13
2/1/2016 **
2/2/2016 M
2/3/2016 0.12
2/4/2016 0.00
2/5/2016 0.00
2/6/2016 0.00
2/7/2016 0.00
2/8/2016 0.00
2/9/2016 0.00
2/10/2016 0.00
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016 0.10
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016
3/7/2016
3/8/2016 0.32
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016
3/15/2016
3/16/2016
3/17/2016
3/18/2016 0.32
3/19/2016 0.03
3/20/2016 T
3/21/2016 0.00
3/22/2016
3/23/2016 **
3/24/2016 2.29
3/25/2016 0.00
3/26/2016 0.15
3/27/2016 T
3/28/2016 0.00
3/29/2016 0.00
3/30/2016 0.05
3/31/2016 0.05
Day of YearDaily PrcpMultiday Prcp
4/1/2016 0.01
4/2/2016 **
4/3/2016 **
4/4/2016 **
4/5/2016 **
4/6/2016 **
4/7/2016 **
4/8/2016 **
4/9/2016 **
4/10/2016 **
4/11/2016 **
4/12/2016 **
4/13/2016 **
4/14/2016 **
4/15/2016 **
4/16/2016 **
4/17/2016 **
4/18/2016 **
4/19/2016 **
4/20/2016 M
4/21/2016
4/22/2016
4/23/2016
4/24/2016
4/25/2016
4/26/2016 0.02
4/27/2016 0.02
4/28/2016 0.00
4/29/2016 0.26
4/30/2016 0.73
5/1/2016 **
5/2/2016 0.25
5/3/2016
5/4/2016
5/5/2016
5/6/2016
5/7/2016 T
5/8/2016 0.15
5/9/2016 0.07
5/10/2016 0.15
5/11/2016 0.03
5/12/2016 **
5/13/2016 **
5/14/2016 **
5/15/2016 0.00
5/16/2016 T
5/17/2016 0.53
5/18/2016 0.00
5/19/2016 **
5/20/2016 **
5/21/2016 **
5/22/2016 0.00
5/23/2016 0.03
5/24/2016 T
5/25/2016 0.23
5/26/2016 0.00
5/27/2016 0.21
5/28/2016 T
5/29/2016 0.00
5/30/2016 T
5/31/2016 0.01
6/1/2016 0.35
6/2/2016 T
6/3/2016 0.00
6/4/2016 0.00
6/5/2016 **
6/6/2016 0.00
6/7/2016 0.35
6/8/2016 0.06
6/9/2016 0.00
6/10/2016 T
6/11/2016 0.10
6/12/2016 **
6/13/2016 0.00
6/14/2016 0.16
6/15/2016 **
6/16/2016 **
6/17/2016 **
6/18/2016 **
6/19/2016 **
6/20/2016 0.00
6/21/2016 T
6/22/2016 T
6/23/2016 T
6/24/2016 0.28
6/25/2016 **
6/26/2016 **
6/27/2016 **
6/28/2016 **
6/29/2016 **
6/30/2016 **
Day of YearDaily PrcpMultiday Prcp
7/1/2016 **
7/2/2016 **
7/3/2016 **
7/4/2016 **
7/5/2016 **
7/6/2016 **
7/7/2016 **
7/8/2016 **
7/9/2016 **
7/10/2016 **
7/11/2016 **
7/12/2016 **
7/13/2016 **
7/14/2016 0.00
7/15/2016 T
7/16/2016 0.35
7/17/2016 0.00
7/18/2016 T
7/19/2016 0.02
7/20/2016 0.62
7/21/2016 T
7/22/2016 0.00
7/23/2016 0.00
7/24/2016 T
7/25/2016 **
7/26/2016 **
7/27/2016 **
7/28/2016 **
7/29/2016 **
7/30/2016 **
7/31/2016 **
8/1/2016 **
8/2/2016 0.00
8/3/2016 T
8/4/2016 0.41
8/5/2016 0.00
8/6/2016 0.00
8/7/2016 0.00
8/8/2016 T
8/9/2016 0.00
8/10/2016 0.07
8/11/2016 0.00
8/12/2016 0.00
8/13/2016 0.00
8/14/2016 0.00
8/15/2016 0.00
8/16/2016 0.00
8/17/2016 0.02
8/18/2016 0.00
8/19/2016 0.21
8/20/2016 0.07
8/21/2016 0.00
8/22/2016 0.00
8/23/2016 0.07
8/24/2016 0.00
8/25/2016 0.14
8/26/2016 0.03
8/27/2016 **
8/28/2016 **
8/29/2016 0.00
8/30/2016 0.06
8/31/2016 0.29
9/1/2016 0.00
9/2/2016 0.00
9/3/2016 0.00
9/4/2016 0.00
9/5/2016 0.00
9/6/2016 0.00
9/7/2016 0.02
9/8/2016 **
9/9/2016 **
9/10/2016 **
9/11/2016 **
9/12/2016 0.00
9/13/2016 0.03
9/14/2016 0.02
9/15/2016 T
9/16/2016 0.00
9/17/2016 0.02
9/18/2016 **
9/19/2016 **
9/20/2016 **
9/21/2016 **
9/22/2016 0.00
9/23/2016 **
9/24/2016 **
9/25/2016 0.00
9/26/2016 0.00
9/27/2016 0.00
9/28/2016 0.00
9/29/2016 0.00
9/30/2016 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/7/2015 6:30 AM 0.29 M M M M
10/19/2015 7:00 AM T M M M M
11/5/2015 8:00 AM 0.44 0.5 0.27 0.5 0.27
11/11/2015 8:30 AM 0.43 5.5 0.43 5.5 0.43 Took measurement as soon as snow stopped because sun was starting to come out and I wanted to gather the sample before the melting started.
11/12/2015 7:15 AM 0.25 M M 2.5 0.25
11/13/2015 7:15 AM 0.00 0.0 M M M
11/18/2015 7:30 AM 0.50 M M 3.5 0.50
11/26/2015 6:45 AM 0.01 M M M M Frozen rain
11/27/2015 12:30 PM 0.11 2.5 0.11 2.5 0.11
11/28/2015 1:30 PM 0.02 0.3 0.02 2.0 0.12
11/29/2015 9:30 AM 0.00 0.0 M 1.5 0.12
11/30/2015 7:00 AM 0.23 2.0 0.23 3.5 0.33
12/1/2015 7:30 AM 0.30 M M 2.5 0.30
12/2/2015 7:30 AM 0.26 M M 1.5 0.26
12/3/2015 10:00 AM 0.25 M M 1.0 0.25
12/4/2015 7:00 AM 0.21 M M 0.5 0.21
12/5/2015 7:00 AM 0.00 0.0 M M M
12/13/2015 7:10 AM 0.18 1.5 0.18 1.5 0.18
12/14/2015 7:00 AM 0.11 M M 0.5 0.11
12/17/2015 7:15 AM 0.00 0.0 M 6.0 0.64
12/18/2015 6:45 AM 0.00 0.0 0.00 5.5 0.62 Flurries on 17th in morning, but no accumulation.
12/19/2015 7:00 AM 0.00 0.0 M 3.5 0.50 [edit: replaced .50 with 0.00 as this was meant to be total SWE. CoCoStaff NN]
12/20/2015 7:05 AM 0.00 0.0 0.00 1.5 0.44 [edit: observer entered total snow SWE in normal precip field. Replaced with 0.00 and contacted observer. CoCoStaff NN]
12/21/2015 7:00 AM T M M 0.0 0.00 Short period of light rain on Sunday afternoon 20 Dec.
12/23/2015 7:00 AM T T T T T Very light dusting overnight.
12/26/2015 7:50 AM 0.11 2.2 0.11 2.2 0.11 Depth measurement taken with NEW ruler (received 23 December).
12/27/2015 10:30 AM 0.00 0.0 M 1.6 0.11
1/10/2016 7:15 AM 0.17 M M 1.7 0.17
1/11/2016 7:15 AM 0.00 0.0 M 1.5 0.15
1/12/2016 6:00 AM 0.00 0.0 M 1.0 0.14
1/13/2016 6:00 AM 0.00 0.0 M T T
1/19/2016 7:00 AM 0.02 T T T T
1/31/2016 7:15 AM 0.13 2.0 0.13 2.0 0.13
2/3/2016 7:00 AM 0.12 1.0 0.12 8.0 0.75 {EDIT: Observer reported 0.75 of new precip. This was also the reported value for the melted value of the total snow on the ground. Seems to be just a mistake of entering data into the wrong category. Surrounding reports show 0.06 to 0.11. New snowfall depth of 1.0 with a melted value of 0.12 looks good. Changed reported value of 0.75 to NA until observer can be contacted to verify -DNT} Changed to 0.12 -- CMG 2/23/16
2/4/2016 7:00 AM 0.00 0.0 M 7.3 0.75
2/5/2016 7:00 AM 0.00 0.0 M 6.2 0.74
2/6/2016 7:00 AM 0.00 0.0 M 4.7 0.71
2/7/2016 7:00 AM 0.00 0.0 M 2.0 6.90
2/8/2016 7:00 AM 0.00 0.0 M 1.8 0.44
2/9/2016 7:00 AM 0.00 0.0 M 0.9 0.32
2/10/2016 7:00 AM 0.00 0.0 M M M
2/23/2016 7:15 AM 0.10 1.5 0.10 1.5 0.10
3/8/2016 7:30 AM 0.32 M M M M This precip came as rain first, then snow, then rain mixed with snow. The final moisture was rain, so no snow was around to measure this a.m.
3/18/2016 7:15 AM 0.32 4.0 0.32 4.0 0.32 Still snowing when I took the measurement, but ended shortly thereafter.
3/19/2016 7:15 AM 0.03 0.4 0.03 2.5 0.23
3/20/2016 7:00 AM T M M T T
3/21/2016 7:00 AM 0.00 0.0 M M M
3/25/2016 7:00 AM 0.00 0.0 M 7.3 1.15
3/26/2016 7:45 AM 0.15 3.5 0.15 7.4 1.12
3/27/2016 7:00 AM T T T 5.5 1.06
3/28/2016 7:00 AM 0.00 0.0 M 2.2 0.53
3/29/2016 7:00 AM 0.00 0.0 M M M
3/30/2016 7:00 AM 0.05 M M M M Just rain. No snow
3/31/2016 7:00 AM 0.05 T 0.05 T 0.05 Light snow. Much melted when fell, so none on surface to measure. Precip measured from what was captured in the cylinder.
4/1/2016 7:45 AM 0.01 0.4 0.01 0.4 0.01 Several periods of light snow previous afternoon. Most melted on surface when fell.
4/26/2016 7:15 AM 0.02 M M M M Rain only
4/27/2016 7:15 AM 0.02 T T T T Dusting of snow. Primarily rain.
4/28/2016 7:00 AM 0.00 0.0 M M M
4/29/2016 7:15 AM 0.26 T T T T At time measurement was taken, snowing lightly. Trace of slushy mix at measurement site.
4/30/2016 7:15 AM 0.73 1.8 0.33 1.8 0.33 Precipitation in form of rain/snow mix for last two days.
5/7/2016 6:45 AM T M M M M No accumulation, but some spotty showers afternoon of 6May.
5/8/2016 7:00 AM 0.15 M M M M All rain; NO SNOW!!!
5/9/2016 7:00 AM 0.07 M M M M
5/10/2016 7:00 AM 0.15 0.0 M M M
5/11/2016 7:00 AM 0.03 M M M M
5/16/2016 7:00 AM T M M M M
5/17/2016 7:15 AM 0.53 M M M M Drizzling when reading taken. More rain forecast for today.
5/18/2016 7:00 AM 0.00 0.0 M M M
5/23/2016 7:00 AM 0.03 M M M M Thunderstorm overnight, starting after midnight.
5/24/2016 7:00 AM T M M M M
5/25/2016 7:15 AM 0.23 M M M M Hail (not predicted) Tuesday between noon and 2 p.m. Diameter and duration unknown, but moderate damage to vegetation.
5/26/2016 7:00 AM 0.00 0.0 M M M
5/27/2016 7:00 AM 0.21 M M M M
5/28/2016 7:00 AM T M M M M
5/29/2016 7:00 AM 0.00 0.0 M M M
5/30/2016 7:00 AM T M M M M
5/31/2016 7:00 AM 0.01 M M M M
6/1/2016 7:00 AM 0.35 M M M M
6/2/2016 7:00 AM T M M M M
6/3/2016 7:00 AM 0.00 0.0 M M M
6/4/2016 7:00 AM 0.00 0.0 M M M
6/7/2016 7:00 AM 0.35 M M M M
6/8/2016 7:00 AM 0.06 M M M M
6/9/2016 7:00 AM 0.00 0.0 M M M
6/10/2016 7:00 AM T M M M M
6/11/2016 6:00 AM 0.10 M M M M
6/14/2016 7:00 AM 0.16 M M M M
6/21/2016 7:00 AM T M M M M Brief sprinkles before 6 pm 20June
6/22/2016 7:00 AM T M M M M Light sprinkles evening of 21June
6/23/2016 7:00 AM T M M M M More sprinkles with no accumulation.
6/24/2016 7:00 AM 0.28 M M M M Good downpour late afternoon.
7/15/2016 7:00 AM T M M M M The lightest of sprinkle late afternoon 14 July.
7/16/2016 7:15 AM 0.35 M M M M Some hail, varying in size. Minimal damage to vegetation. No denting on vehicles.(We'll still have tomatoes and zukes!)
7/17/2016 7:00 AM 0.00 0.0 M M M
7/18/2016 7:00 AM T M M M M
7/19/2016 7:30 AM 0.02 M M M M
7/20/2016 7:00 AM 0.62 M M M M All rain; no hail!
7/21/2016 7:00 AM T M M M M
7/22/2016 7:00 AM 0.00 0.0 M M M
7/23/2016 7:00 AM 0.00 0.0 M M M
7/24/2016 7:00 AM T M M M M
8/3/2016 7:00 AM T M M M M
8/4/2016 7:00 AM 0.41 M M M M
8/5/2016 7:00 AM 0.00 0.0 M M M
8/6/2016 7:00 AM 0.00 0.0 M M M
8/7/2016 7:00 AM 0.00 0.0 M M M
8/8/2016 7:00 AM T M M M M
8/9/2016 7:00 AM 0.00 0.0 M M M
8/10/2016 7:00 AM 0.07 M M M M
8/11/2016 7:00 AM 0.00 0.0 M M M
8/12/2016 7:00 AM 0.00 0.0 M M M
8/13/2016 7:00 AM 0.00 0.0 M M M
8/14/2016 7:00 AM 0.00 0.0 M M M
8/15/2016 7:00 AM 0.00 0.0 M M M
8/16/2016 7:00 AM 0.00 0.0 M M M
8/17/2016 7:00 AM 0.02 M M M M
8/18/2016 7:00 AM 0.00 0.0 M M M
8/19/2016 7:00 AM 0.21 M M M M Hoping for more rain today.
8/20/2016 7:00 AM 0.07 M M M M
8/21/2016 7:00 AM 0.00 0.0 M M M
8/22/2016 7:00 AM 0.00 0.0 M M M
8/23/2016 8:00 AM 0.07 M M M M Yes, this is the same amount as just a few days ago. Hope this isn't some sort of rationing. ;)
8/24/2016 7:00 AM 0.00 0.0 M M M
8/25/2016 7:30 AM 0.14 M M M M
8/26/2016 7:00 AM 0.03 M M M M
8/30/2016 7:00 AM 0.06 M M M M
8/31/2016 7:00 AM 0.29 M M M M
9/1/2016 7:00 AM 0.00 0.0 M M M
9/2/2016 7:00 AM 0.00 0.0 M M M
9/3/2016 7:00 AM 0.00 0.0 M M M
9/4/2016 7:00 AM 0.00 0.0 M M M
9/5/2016 7:00 AM 0.00 0.0 M M M
9/6/2016 7:00 AM 0.00 0.0 M M M
9/7/2016 8:00 AM 0.02 M M M M From misting rain in morning hours of 6 September.
9/13/2016 7:00 AM 0.03 M M M M
9/14/2016 7:00 AM 0.02 M M M M
9/15/2016 7:00 AM T M M M M Drizzle evening of 14Sept
9/16/2016 7:00 AM 0.00 0.0 M M M
9/17/2016 7:00 AM 0.02 M M M M
9/26/2016 7:00 AM 0.00 0.0 M M M
9/27/2016 7:00 AM 0.00 0.0 M M M
9/28/2016 7:00 AM 0.00 0.0 M M M
9/29/2016 7:00 AM 0.00 0.0 M M M
9/30/2016 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
10/20/2015 10/22/2015 7:15 AM 3 1.95 M M
11/16/2015 11/17/2015 9:00 AM 2 0.89 5.0 0.55 Rain started appr 2p 16 Nov; chg to snow appr 9p. Rain measured .34"
12/15/2015 12/16/2015 6:30 AM 2 M 7.5 0.70
12/28/2015 1/02/2016 7:00 AM 6 M 0.5 0.09 Away from location for this period. No new snow fell during this period, however. Also, avg temp was 14.2 degrees, so unlikely to have lost any snow/core precip due to melting.
1/8/2016 1/09/2016 7:15 AM 2 M 2.5 0.19
2/1/2016 2/02/2016 7:00 AM 2 M 8.8 0.75 0.5 inches of the snow fell on 1 February, with .09 inches of core precip.
3/23/2016 3/24/2016 7:00 AM 2 2.29 12.7 1.72 .57" rain before change over to snow. 1.72" precip from the 12.7" of snowfall. Wanted to note these measurements as my data has required correction in the past.
4/2/2016 4/20/2016 7:00 AM 19 M M M No measurements taken during this period due to travel out of town. No residual snow from the 15-18 April storm remained in the area where measurements are usually taken.
5/1/2016 5/02/2016 7:15 AM 2 0.25 M M There had been some snowfall on 1 May during the day, but any that accumulated melted in afternoon and early evening.
5/12/2016 5/15/2016 7:00 AM 4 0.00 M M
5/19/2016 5/22/2016 7:00 AM 4 0.00 M M
6/5/2016 6/06/2016 7:00 AM 2 0.00 M M
6/12/2016 6/13/2016 7:00 AM 2 0.00 M M
6/15/2016 6/20/2016 7:00 AM 6 0.00 M M
6/25/2016 7/04/2016 7:00 AM 10 1.28 M M We were traveling. The caretaker for our house told us most of the rain fell Thursday and Friday (30 June and 1 July 2016).
6/26/2016 7/14/2016 7:00 AM 19 0.00 M M Not even so much as a sprinkle for this entire period.
7/25/2016 7/29/2016 7:00 AM 5 0.00 M M
7/26/2016 8/02/2016 7:00 AM 8 0.00 M M
7/27/2016 8/02/2016 7:00 AM 7 0.00 M M
8/27/2016 8/29/2016 7:00 AM 3 0.00 M M
9/8/2016 9/10/2016 7:00 AM 3 0.00 M M
9/9/2016 9/12/2016 7:00 AM 4 0.00 M M
9/18/2016 9/22/2016 7:00 AM 5 0.00 M M
9/23/2016 9/25/2016 7:00 AM 3 0.00 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