Station Overview Station Location
Station Number CO-AR-267 Latitude 39.6723747253418
Station Name Aurora 3.3 ESE Longitude -104.760917663574
County Arapahoe Elevation (ft) 5684



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 1.14 0.35 2 0.35 2 0.00 0 0 2 0 0.0 0 0
Nov 16 0.90 0.25 1 0.25 1 0.00 0 0 1 0 3.0 1 1
Dec 16 0.63 0.48 8 0.48 8 0.00 0 0 3 2 8.7 4 5
Jan 17 0.58 0.83 18 0.83 18 0.00 0 0 4 5 5.5 4 3
Feb 17 0.57 0.02 7 0.02 7 0.00 0 0 1 3 1.5 1 1
March 17 1.58 0.70 12 0.70 12 0.00 0 0 2 4 0.5 1 1
April 17 2.07 0.93 21 0.89 6 0.04 15 1 5 1 5.5 3 3
May 17 2.40 2.93 20 2.71 17 0.22 3 1 10 4 0.5 1 1
June 17 2.10 0.54 9 0.54 9 0.00 0 0 3 2 0.0 0 0
July 17 2.24 1.00 14 1.00 14 0.00 0 0 7 5 0.0 0 0
Aug 17 2.54 1.40 16 0.53 9 0.87 7 1 5 1 0.0 0 0
Sept 17 1.26 1.33 5 1.33 5 0.00 0 0 4 1 0.0 0 0
Water Year Totals: 18.01" 10.76" 133 days 9.63" 108 1.13" 25 days 3 47 days 28 days 25.2" 15 days 15 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 0.02
10/7/2016 0.33
10/8/2016
10/9/2016
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
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
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 0.25
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
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 T
12/4/2016
12/5/2016
12/6/2016
12/7/2016 0.06
12/8/2016 T
12/9/2016 0.00
12/10/2016
12/11/2016 0.05
12/12/2016 0.00
12/13/2016
12/14/2016
12/15/2016
12/16/2016
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 T
1/4/2017 T
1/5/2017 0.30
1/6/2017 0.20
1/7/2017 0.00
1/8/2017
1/9/2017 0.00
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 0.23
1/17/2017 0.10
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 0.00
1/27/2017 T
1/28/2017 0.00
1/29/2017 0.00
1/30/2017 0.00
1/31/2017 0.00
2/1/2017 0.00
2/2/2017 T
2/3/2017 T
2/4/2017
2/5/2017
2/6/2017 0.00
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017 T
2/13/2017 0.00
2/14/2017
2/15/2017
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 0.02
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
3/6/2017 T
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017 T
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017 0.00
3/20/2017 0.00
3/21/2017 0.00
3/22/2017 0.00
3/23/2017 0.00
3/24/2017 0.47
3/25/2017
3/26/2017
3/27/2017
3/28/2017 T
3/29/2017 0.23
3/30/2017 T
3/31/2017 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.14
4/2/2017 0.02
4/3/2017 0.10
4/4/2017 0.12
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017 **
4/12/2017 **
4/13/2017 **
4/14/2017 **
4/15/2017 **
4/16/2017 **
4/17/2017 **
4/18/2017 **
4/19/2017 **
4/20/2017 **
4/21/2017 **
4/22/2017 **
4/23/2017 **
4/24/2017 **
4/25/2017 0.04
4/26/2017
4/27/2017
4/28/2017 T
4/29/2017 0.51
4/30/2017
5/1/2017
5/2/2017
5/3/2017 0.21
5/4/2017 0.15
5/5/2017
5/6/2017
5/7/2017 T
5/8/2017 0.00
5/9/2017 0.54
5/10/2017 0.02
5/11/2017 0.36
5/12/2017 T
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017 T
5/18/2017 0.98
5/19/2017 M
5/20/2017 0.07
5/21/2017
5/22/2017 0.12
5/23/2017 0.07
5/24/2017 0.00
5/25/2017 0.00
5/26/2017 0.19
5/27/2017 **
5/28/2017 **
5/29/2017 0.22
5/30/2017 T
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017 0.03
6/7/2017
6/8/2017 0.42
6/9/2017 0.00
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017 T
6/23/2017 0.09
6/24/2017 T
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017 T
7/12/2017 T
7/13/2017 0.02
7/14/2017 0.00
7/15/2017 T
7/16/2017 0.03
7/17/2017
7/18/2017
7/19/2017
7/20/2017 0.03
7/21/2017 0.25
7/22/2017 T
7/23/2017 0.00
7/24/2017 0.01
7/25/2017
7/26/2017 0.02
7/27/2017 0.64
7/28/2017 T
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017 **
8/4/2017 **
8/5/2017 **
8/6/2017 **
8/7/2017 **
8/8/2017 **
8/9/2017 0.87
8/10/2017 0.00
8/11/2017 0.18
8/12/2017 0.00
8/13/2017 0.08
8/14/2017 0.20
8/15/2017 0.03
8/16/2017 0.04
8/17/2017
8/18/2017 0.00
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017 T
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
9/5/2017
9/6/2017
9/7/2017
9/8/2017
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
9/24/2017 0.85
9/25/2017 0.05
9/26/2017 0.03
9/27/2017 T
9/28/2017 0.40
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2016 6:19 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/7/2016 7:00 AM 0.33 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
11/18/2016 7:00 AM 0.25 3.0 M 3.0 M Submitted via CoCoRaHS Observer for Android version 2.0.3 (build 2005) {EDIT: Observer reported 3.0 of new and total snow depth both with SWE values of 2.50. SWE seem to be decimal typos, maybe meant 0.25. Changed SWE reports of 2.50 to NA until observer can be contacted to verify. Submission Time Before EDIT: 11/18/2016 7:31 AM CoCoSTAFF DNT}
12/3/2016 7:00 AM T T T T T light frost
12/7/2016 7:00 AM 0.06 0.2 0.06 0.2 0.06 current light snow
12/8/2016 7:00 AM T 0.0 T 0.3 0.02 Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
12/9/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
12/11/2016 7:00 AM 0.05 0.5 0.05 0.5 0.05 Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
12/12/2016 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
12/17/2016 7:00 AM 0.37 8.0 0.37 8.0 0.37 Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
12/18/2016 7:00 AM 0.00 0.0 0.00 0.6 0.30 Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
1/3/2017 7:00 AM T T T T T random flurries
1/4/2017 7:00 AM T T T T T current light flurries and thick frost
1/5/2017 7:00 AM 0.30 0.7 0.30 0.7 0.30 light snow at time of report
1/6/2017 7:00 AM 0.20 0.2 0.01 M M didn't do core sample
1/7/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.7 (build 2009)
1/9/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.7 (build 2009)
1/12/2017 7:00 AM 0.00 M M M M light frost
1/13/2017 7:00 AM T T M T T Submitted via CoCoRaHS Observer for Android version 2.0.7 (build 2009)
1/14/2017 7:00 AM 0.00 M M M M light frost
1/16/2017 7:00 AM 0.23 3.5 0.23 3.5 0.23 light snow currently
1/17/2017 7:00 AM 0.10 1.1 0.10 4.0 M Submitted via CoCoRaHS Observer for Android version 2.0.7 (build 2009)
1/25/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/26/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/27/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/28/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/29/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/30/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
1/31/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/1/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/2/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/3/2017 7:00 AM T M M M M light fog, black ice
2/6/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/12/2017 7:00 AM T M M M M light rain and soft ice pellets
2/13/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/24/2017 7:00 AM 0.02 1.5 0.02 1.5 0.02 1.5" of snow .01" of ice
3/6/2017 7:00 AM T T T T T very light snow flurries
3/12/2017 7:00 AM T M M M M light rain (drizzle)
3/19/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/20/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/21/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/22/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/23/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
3/24/2017 7:00 AM 0.47 0.5 0.47 0.5 0.47 Rain mixed with snow
3/28/2017 5:48 AM T M M M M light rain
3/29/2017 7:00 AM 0.23 M M M M light rain currently
3/30/2017 7:00 AM T M M M M light rain
3/31/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/1/2017 7:00 AM 0.14 0.5 0.14 0.5 0.14 rain/snow mix
4/2/2017 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/3/2017 7:00 AM 0.10 M M M M lightning
4/4/2017 7:00 AM 0.12 0.5 0.12 0.5 0.12 light snow currently
4/28/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
4/29/2017 7:00 AM 0.51 4.5 0.51 4.5 0.51 light snow currently
5/3/2017 7:00 AM 0.21 M M M M light rain current
5/4/2017 7:00 AM 0.15 M M M M rain mixed with snow
5/7/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/8/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/9/2017 7:00 AM 0.54 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/10/2017 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/11/2017 7:00 AM 0.36 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/12/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/17/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/18/2017 7:00 AM 0.98 0.5 0.98 0.5 0.98 rain turned to snow, currently snowing, snow grains
5/19/2017 7:00 AM M M 0.78 M 0.78 snow melted over night (edit: daily precip, snowfall, and snow depth initially recorded as a trace. Changed to NA as this is out of line with nearby totals. observer will be contacted. PG)
5/20/2017 7:00 AM 0.07 M M M M fell as snow, but melted
5/22/2017 7:00 AM 0.12 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/23/2017 7:00 AM 0.07 M M M M light evening showers
5/24/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/25/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/26/2017 7:00 AM 0.19 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
5/30/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
6/6/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
6/8/2017 7:00 AM 0.42 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/9/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/22/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/23/2017 7:00 AM 0.09 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/24/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/25/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/26/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
6/27/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/11/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/12/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/13/2017 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/14/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/15/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/16/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/20/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/21/2017 7:00 AM 0.25 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/22/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/23/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/24/2017 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/26/2017 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/27/2017 7:00 AM 0.64 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
7/28/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/10/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/11/2017 7:00 AM 0.18 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/12/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/13/2017 7:00 AM 0.08 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/14/2017 7:00 AM 0.20 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/15/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/16/2017 7:00 AM 0.04 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/18/2017 7:00 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
8/25/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.0.9 (build 20011)
9/24/2017 7:00 AM 0.85 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/25/2017 7:00 AM 0.05 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/26/2017 7:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/27/2017 7:00 AM T M M M M Submitted via CoCoRaHS Observer for Android version 2.1.0 (build 21001)
9/28/2017 7:00 AM 0.40 M M M M currently light rain (drizzle)



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/11/2017 4/25/2017 7:00 AM 15 0.04 M M Light snow during the period.
5/27/2017 5/29/2017 7:00 PM 3 0.22 M M
8/3/2017 8/09/2017 7:00 AM 7 0.87 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