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 13 1.32 1.04 10 0.95 8 0.09 2 1 7 0 2.0 2 2
Nov 13 0.87 0.00 3 0.00 1 0.00 2 1 0 0 0.0 0 2
Dec 13 0.73 0.18 13 0.18 9 0.00 4 2 3 0 3.1 3 8
Jan 14 0.52 1.03 11 1.03 11 0.00 0 0 7 0 11.8 7 11
Feb 14 0.50 0.72 11 0.72 9 0.00 2 1 7 0 5.6 7 8
March 14 1.47 1.02 6 1.02 6 0.00 0 0 5 0 4.7 4 4
April 14 2.13 2.13 5 2.13 5 0.00 0 0 5 0 11.0 2 3
May 14 2.50 2.65 14 1.39 11 1.26 3 1 10 1 0.0 0 0
June 14 1.91 1.15 9 1.15 9 0.00 0 0 5 4 0.0 0 0
July 14 2.12 5.86 12 5.67 10 0.19 2 1 9 1 0.0 0 0
Aug 14 2.26 3.40 16 3.40 16 0.00 0 0 15 1 0.0 0 0
Sept 14 1.30 3.39 10 0.97 3 2.42 7 3 3 0 0.0 0 0
Water Year Totals: 17.63" 22.57" 120 days 18.61" 98 3.96" 22 days 10 76 days 7 days 38.2" 25 days 38 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
10/1/2013
10/2/2013
10/3/2013
10/4/2013 0.33
10/5/2013 0.30
10/6/2013
10/7/2013
10/8/2013
10/9/2013
10/10/2013
10/11/2013 0.00
10/12/2013
10/13/2013 **
10/14/2013 0.09
10/15/2013
10/16/2013
10/17/2013
10/18/2013 0.17
10/19/2013
10/20/2013
10/21/2013 0.10
10/22/2013
10/23/2013
10/24/2013
10/25/2013
10/26/2013
10/27/2013
10/28/2013
10/29/2013 0.01
10/30/2013 0.02
10/31/2013 0.02
11/1/2013
11/2/2013
11/3/2013
11/4/2013
11/5/2013
11/6/2013
11/7/2013
11/8/2013
11/9/2013
11/10/2013
11/11/2013
11/12/2013
11/13/2013
11/14/2013
11/15/2013
11/16/2013
11/17/2013
11/18/2013
11/19/2013
11/20/2013
11/21/2013 **
11/22/2013 M
11/23/2013 M
11/24/2013 0.00
11/25/2013
11/26/2013
11/27/2013
11/28/2013
11/29/2013
11/30/2013
12/1/2013
12/2/2013
12/3/2013
12/4/2013 **
12/5/2013 M
12/6/2013 0.00
12/7/2013 0.00
12/8/2013 **
12/9/2013 M
12/10/2013 0.00
12/11/2013 0.00
12/12/2013 0.00
12/13/2013
12/14/2013
12/15/2013
12/16/2013
12/17/2013
12/18/2013
12/19/2013
12/20/2013
12/21/2013
12/22/2013 0.03
12/23/2013 0.03
12/24/2013
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013 0.12
12/30/2013 0.00
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014 0.05
1/2/2014
1/3/2014
1/4/2014
1/5/2014 0.23
1/6/2014 0.07
1/7/2014 0.00
1/8/2014 0.00
1/9/2014 0.00
1/10/2014
1/11/2014
1/12/2014
1/13/2014
1/14/2014 0.02
1/15/2014
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014 0.14
1/24/2014 0.00
1/25/2014
1/26/2014
1/27/2014
1/28/2014 0.10
1/29/2014
1/30/2014
1/31/2014 0.42
2/1/2014 0.10
2/2/2014 0.02
2/3/2014 0.47
2/4/2014 **
2/5/2014 M
2/6/2014 0.01
2/7/2014 0.00
2/8/2014 0.00
2/9/2014
2/10/2014
2/11/2014
2/12/2014
2/13/2014
2/14/2014
2/15/2014
2/16/2014
2/17/2014
2/18/2014
2/19/2014
2/20/2014 0.06
2/21/2014
2/22/2014
2/23/2014 0.03
2/24/2014
2/25/2014
2/26/2014 0.03
2/27/2014
2/28/2014
3/1/2014
3/2/2014 0.03
3/3/2014
3/4/2014
3/5/2014 0.38
3/6/2014
3/7/2014
3/8/2014 0.46
3/9/2014
3/10/2014
3/11/2014
3/12/2014 0.11
3/13/2014
3/14/2014
3/15/2014
3/16/2014
3/17/2014
3/18/2014 0.00
3/19/2014
3/20/2014
3/21/2014
3/22/2014
3/23/2014 0.04
3/24/2014
3/25/2014
3/26/2014
3/27/2014
3/28/2014
3/29/2014
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014
4/2/2014
4/3/2014 0.90
4/4/2014 0.24
4/5/2014
4/6/2014
4/7/2014
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014
4/13/2014
4/14/2014 0.39
4/15/2014
4/16/2014
4/17/2014
4/18/2014
4/19/2014
4/20/2014 0.05
4/21/2014
4/22/2014
4/23/2014
4/24/2014 0.55
4/25/2014
4/26/2014
4/27/2014
4/28/2014
4/29/2014
4/30/2014
5/1/2014
5/2/2014
5/3/2014
5/4/2014
5/5/2014
5/6/2014
5/7/2014
5/8/2014 0.68
5/9/2014 0.01
5/10/2014
5/11/2014 **
5/12/2014 **
5/13/2014 1.26
5/14/2014
5/15/2014
5/16/2014 0.01
5/17/2014 0.02
5/18/2014
5/19/2014
5/20/2014
5/21/2014 0.35
5/22/2014 0.08
5/23/2014
5/24/2014 0.08
5/25/2014 0.12
5/26/2014 T
5/27/2014
5/28/2014
5/29/2014
5/30/2014 0.02
5/31/2014 0.02
6/1/2014
6/2/2014
6/3/2014
6/4/2014
6/5/2014 0.07
6/6/2014 0.10
6/7/2014
6/8/2014
6/9/2014 0.56
6/10/2014
6/11/2014 T
6/12/2014
6/13/2014
6/14/2014
6/15/2014 0.24
6/16/2014
6/17/2014
6/18/2014
6/19/2014 0.18
6/20/2014
6/21/2014 T
6/22/2014
6/23/2014
6/24/2014
6/25/2014 T
6/26/2014
6/27/2014
6/28/2014
6/29/2014 T
6/30/2014
Day of YearDaily PrcpMultiday Prcp
7/1/2014
7/2/2014
7/3/2014
7/4/2014
7/5/2014 0.04
7/6/2014
7/7/2014
7/8/2014 0.56
7/9/2014
7/10/2014
7/11/2014
7/12/2014 0.10
7/13/2014 0.05
7/14/2014
7/15/2014 1.71
7/16/2014
7/17/2014 0.32
7/18/2014
7/19/2014
7/20/2014
7/21/2014
7/22/2014
7/23/2014
7/24/2014 T
7/25/2014
7/26/2014 **
7/27/2014 0.19
7/28/2014 0.01
7/29/2014
7/30/2014 1.62
7/31/2014 1.26
8/1/2014 0.03
8/2/2014
8/3/2014
8/4/2014
8/5/2014
8/6/2014 0.08
8/7/2014 0.10
8/8/2014
8/9/2014
8/10/2014
8/11/2014
8/12/2014
8/13/2014
8/14/2014
8/15/2014 0.05
8/16/2014 0.23
8/17/2014
8/18/2014
8/19/2014
8/20/2014 0.03
8/21/2014 0.13
8/22/2014 T
8/23/2014 0.03
8/24/2014
8/25/2014 0.01
8/26/2014 1.47
8/27/2014 0.02
8/28/2014 0.07
8/29/2014 1.10
8/30/2014 0.04
8/31/2014 0.01
9/1/2014
9/2/2014
9/3/2014
9/4/2014
9/5/2014 0.67
9/6/2014 0.03
9/7/2014
9/8/2014 **
9/9/2014 **
9/10/2014 0.32
9/11/2014 **
9/12/2014 0.22
9/13/2014
9/14/2014
9/15/2014
9/16/2014
9/17/2014
9/18/2014
9/19/2014
9/20/2014
9/21/2014
9/22/2014 0.27
9/23/2014
9/24/2014
9/25/2014
9/26/2014
9/27/2014
9/28/2014
9/29/2014 **
9/30/2014 1.88



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2013 6:00 AM 0.33 M M M M Snow was just starting to when I pulled the guage in and took the measurement.
10/5/2013 7:00 AM 0.30 0.5 0.22 0.5 0.22
10/11/2013 7:00 AM 0.00 0.0 M M M Although we had some rainfall, the bottom of the tube was dry. Not even a trace of moisture. (Confirmed no blockage in the funnel.)
10/18/2013 8:15 AM 0.17 1.5 0.17 1.5 0.17 Paved areas (concrete, tar, sandstone patio) were wet, not snow-covered.
10/21/2013 8:00 AM 0.10 M M M M
10/29/2013 7:30 AM 0.01 M M M M Precipitation came mainly in form of mist.
10/30/2013 7:30 AM 0.02 M M M M
10/31/2013 7:00 AM 0.02 M M M M
11/23/2013 7:00 AM M M M 0.5 0.22 (edit: daily precip changed from 0.22" to NA as this appears to be a core measurement. P.G.)
11/24/2013 7:00 AM 0.00 0.0 M 0.5 0.13 (edit: daily precip initially recorded as 0.13". changed to NA as this appears to be a core measurement. observer contacted. P.G.)
12/6/2013 7:30 AM 0.00 0.0 M 3.0 0.23 There was a very light dusting of snow overnight, but not measurable in terms of depth. Therefore, the amount of "melted" snow from this dusting is included in the "snow and ice on ground at observation time" (which was actually 2.75", although that amt cannot be entered in the field b definition).
12/7/2013 7:30 AM 0.00 0.0 M 2.5 0.24
12/10/2013 7:30 AM 0.00 0.0 M 2.0 0.25
12/11/2013 7:30 AM 0.00 0.0 M 1.0 0.16
12/12/2013 8:00 AM 0.00 0.0 M 0.5 0.13
12/22/2013 10:00 AM 0.03 0.5 0.03 M M
12/23/2013 7:30 AM 0.03 0.8 0.03 1.0 0.03 Actual snowfall amount: .75 inches
12/29/2013 7:15 AM 0.12 1.8 0.12 1.8 0.12 Snowfall measured 1.75"
12/30/2013 7:00 AM 0.00 0.0 M 1.0 0.10
1/1/2014 9:30 AM 0.05 0.4 0.05 0.4 0.05 Took this measurement just as snow stopped. As it turns out, the snow that fell this morning was all gone by the afternoon. (edit: daily precip changed from 0.50" to 0.05". P.G.)
1/5/2014 7:00 AM 0.23 3.2 0.23 3.2 0.23
1/6/2014 7:00 AM 0.07 0.5 0.07 3.5 0.30
1/7/2014 7:00 AM 0.00 0.0 M 3.0 0.27 Actual snow/ice depth remaining 2.7"
1/8/2014 7:30 AM 0.00 0.0 M 1.0 0.20 Actual depth of snow in place: 1.2"
1/9/2014 7:30 AM 0.00 0.0 M 0.5 0.10
1/14/2014 2:00 PM 0.02 0.5 0.02 0.5 0.02 Snow fell all on 14Jan. Started around 7 a.m, and ended before I returned home at 2 p.m. Had already melted from my usual measurement spot by that time. Estimate accumulation based on shady part of driveway.
1/23/2014 7:30 AM 0.14 2.8 0.14 2.8 1.40
1/24/2014 8:00 AM 0.00 0.0 M 2.0 0.12
1/28/2014 7:00 AM 0.10 1.2 0.10 1.2 0.10
1/31/2014 7:00 AM 0.42 3.2 0.42 3.2 0.42
2/1/2014 10:00 AM 0.10 0.8 0.10 4.0 0.62
2/2/2014 10:00 AM 0.02 0.2 0.02 4.0 0.48
2/3/2014 7:00 AM 0.47 3.5 0.47 M M
2/6/2014 8:00 AM 0.01 0.1 0.01 4.0 0.59
2/7/2014 7:30 AM 0.00 0.0 M 3.5 0.57
2/8/2014 7:00 AM 0.00 0.0 M 2.5 0.54
2/20/2014 7:45 AM 0.06 0.5 0.06 0.5 0.06 Hailed first, then brief rain and finally "thunder" snow. At least three flashes of lightning.
2/23/2014 7:00 AM 0.03 0.2 0.03 0.2 0.03
2/26/2014 7:15 AM 0.03 0.3 0.03 0.3 0.03
3/2/2014 7:00 AM 0.03 0.1 0.03 0.1 0.03
3/5/2014 7:30 AM 0.38 2.8 0.33 2.8 0.33 Started as rain
3/8/2014 7:00 AM 0.46 1.5 0.36 1.5 0.36
3/12/2014 7:00 AM 0.11 0.3 0.11 0.3 0.11 Rain fell first, then snow; accumulated snow minimal due to melting when hitting wet surface.
3/18/2014 2:00 PM 0.00 0.0 M M M Had the cylinder out in the a.m.to collect snow/rain. When I returned home found that a microburst had knocked the cylinder over, and all precip captures was lost. Therefore, unable to record data for this event.
3/23/2014 7:00 AM 0.04 M M M M Snow on the grass, but none on measurement surface.
4/3/2014 10:00 AM 0.90 7.0 0.73 7.0 0.73
4/4/2014 7:30 AM 0.24 M M 0.5 0.24
4/14/2014 7:45 AM 0.39 4.0 0.24 4.0 0.24
4/20/2014 7:00 AM 0.05 M M M M
4/24/2014 7:00 AM 0.55 M M M M Wonderful thunderstorm! Based on the brief time between flash and crack, it seems to have passed directly overhead.
5/8/2014 7:00 AM 0.68 M M M M
5/9/2014 7:00 AM 0.01 M M M M
5/16/2014 7:00 AM 0.01 M M M M
5/17/2014 7:00 AM 0.02 M M M M
5/21/2014 7:00 AM 0.35 M M M M Mostly from hail the previous day. Some additional rain in the overnight hours. Two episodes of hail, in close time period, the second round with larger hail stones.
5/22/2014 7:00 AM 0.08 M M M M
5/24/2014 7:00 AM 0.08 M M M M
5/25/2014 7:00 AM 0.12 M M M M
5/26/2014 7:00 AM T M M M M
5/30/2014 7:00 AM 0.02 M M M M
5/31/2014 7:00 AM 0.02 M M M M
6/5/2014 7:00 AM 0.07 M M M M
6/6/2014 7:00 AM 0.10 M M M M
6/9/2014 7:00 AM 0.56 M M M M
6/11/2014 7:00 AM T M M M M
6/15/2014 7:00 AM 0.24 M M M M We had some hail on Saturday, 14 June, but the damage to vegetation was minimal.
6/19/2014 7:00 AM 0.18 M M M M
6/21/2014 7:00 AM T M M M M 10 minute cloudburst after 9 p.m. last night.
6/25/2014 7:00 AM T M M M M
6/29/2014 7:00 AM T M M M M
7/5/2014 7:00 AM 0.04 M M M M
7/8/2014 6:00 AM 0.56 M M M M
7/12/2014 7:00 AM 0.10 M M M M
7/13/2014 7:00 AM 0.05 M M M M
7/15/2014 7:00 AM 1.71 M M M M
7/17/2014 7:00 AM 0.32 M M M M
7/24/2014 7:00 AM T M M M M
7/28/2014 7:00 AM 0.01 M M M M
7/30/2014 7:00 AM 1.62 M M M M
7/31/2014 7:00 AM 1.26 M M M M
8/1/2014 7:00 AM 0.03 M M M M
8/6/2014 7:00 AM 0.08 M M M M
8/7/2014 7:30 AM 0.10 M M M M
8/15/2014 7:00 AM 0.05 M M M M
8/16/2014 7:00 AM 0.23 M M M M
8/20/2014 7:00 AM 0.03 M M M M
8/21/2014 7:00 AM 0.13 M M M M
8/22/2014 8:30 AM T M M M M
8/23/2014 7:00 AM 0.03 M M M M
8/25/2014 8:00 AM 0.01 M M M M
8/26/2014 7:00 AM 1.47 M M M M Some hail in storms overnight, but minor damage to vegetation.
8/27/2014 7:00 AM 0.02 M M M M
8/28/2014 8:00 AM 0.07 M M M M
8/29/2014 7:00 AM 1.10 M M M M
8/30/2014 7:00 AM 0.04 M M M M
8/31/2014 7:00 AM 0.01 M M M M
9/5/2014 7:30 AM 0.67 M M M M
9/6/2014 6:45 AM 0.03 M M M M
9/22/2014 7:00 AM 0.27 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/13/2013 10/14/2013 7:00 AM 2 0.09 M M
11/21/2013 11/22/2013 11:00 AM 2 M 2.0 0.24
12/4/2013 12/05/2013 9:00 AM 2 M 3.0 0.24 Snowfall started approx 7p.m. 3Dec2013; ended approx 3p.m. 4Dec2013, with periods of very light and heavier snowfall throughout.
12/8/2013 12/09/2013 7:30 AM 2 M 2.3 0.30 .25" actual new snow fell Sunday morning (8 Dec).
2/4/2014 2/05/2014 7:00 AM 2 M 4.0 0.58
5/11/2014 5/13/2014 6:30 AM 3 1.26 1.7 0.59 The snow was deeper at times on Monday, 12 May, but was continually melting as more snow fell. This made it difficult to take measurements.
7/26/2014 7/27/2014 7:00 AM 2 0.19 M M
9/8/2014 9/10/2014 8:15 AM 3 0.32 M M
9/11/2014 9/12/2014 8:00 AM 2 0.22 T 0.04
9/29/2014 9/30/2014 7:15 AM 2 1.88 M M We had several incidences of hail during the 29 Sept storms, none damaging. There was flooding on our street, due to a storm drain that is in a collapsed state that has yet to be repaired.



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