Station Overview Station Location
Station Number CO-EG-31 Latitude 39.64272661863
Station Name Avon 1.1 SE Longitude -106.517879962921
County Eagle Elevation (ft) 7603



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 1.53 0.50 2 0.50 2 0.00 0 0 1 0 0.0 0 0
Nov 16 1.89 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 1.58 9.13 12 1.63 4 7.50 8 3 3 0 21.3 4 5
Jan 17 1.34 0.00 30 0.00 0 0.00 30 2 0 0 0.0 0 0
Feb 17 1.50 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 1.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 1.98 0.00 31 0.00 0 0.00 31 1 0 0 0.0 0 0
May 17 1.58 0.00 31 0.00 2 0.00 29 1 0 1 0.0 0 0
June 17 1.08 0.30 26 0.04 18 0.26 8 1 2 0 0.0 0 0
July 17 1.59 1.57 22 1.57 22 0.00 0 0 11 0 0.0 0 0
Aug 17 1.68 0.69 22 0.69 22 0.00 0 0 9 0 0.0 0 0
Sept 17 1.96 0.46 10 0.46 10 0.00 0 0 3 0 0.0 0 0
Water Year Totals: 19.61" 12.65" 186 days 4.89" 80 7.76" 106 days 8 29 days 1 days 21.3" 4 days 5 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 0.00
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016 0.50
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
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 0.00
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016 M
12/7/2016
12/8/2016 0.22
12/9/2016 0.65
12/10/2016 **
12/11/2016 **
12/12/2016 2.50
12/13/2016 **
12/14/2016 **
12/15/2016 1.00
12/16/2016
12/17/2016 0.76
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016 **
12/26/2016 4.00
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 M
1/6/2017 **
1/7/2017 **
1/8/2017 **
1/9/2017 **
1/10/2017 **
1/11/2017 **
1/12/2017 **
1/13/2017 **
1/14/2017 **
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 **
1/26/2017 **
1/27/2017 **
1/28/2017 **
1/29/2017 **
1/30/2017 **
1/31/2017 M
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
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
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
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
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
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 **
4/4/2017 **
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 **
4/26/2017 **
4/27/2017 **
4/28/2017 **
4/29/2017 **
4/30/2017 **
5/1/2017 **
5/2/2017 **
5/3/2017 **
5/4/2017 **
5/5/2017 **
5/6/2017 **
5/7/2017 **
5/8/2017 **
5/9/2017 **
5/10/2017 **
5/11/2017 **
5/12/2017 **
5/13/2017 **
5/14/2017 **
5/15/2017 **
5/16/2017 **
5/17/2017 **
5/18/2017 **
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 **
5/28/2017 **
5/29/2017 0.00
5/30/2017 0.00
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 0.26
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017 0.00
6/13/2017
6/14/2017
6/15/2017 0.00
6/16/2017 0.00
6/17/2017 0.00
6/18/2017 0.00
6/19/2017 0.00
6/20/2017 0.00
6/21/2017 0.01
6/22/2017
6/23/2017 0.03
6/24/2017 0.00
6/25/2017 0.00
6/26/2017 0.00
6/27/2017 0.00
6/28/2017 0.00
6/29/2017 0.00
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017 0.00
7/3/2017
7/4/2017
7/5/2017 0.00
7/6/2017
7/7/2017 0.00
7/8/2017 0.00
7/9/2017 0.17
7/10/2017 0.01
7/11/2017 0.20
7/12/2017
7/13/2017 0.33
7/14/2017
7/15/2017 0.07
7/16/2017 0.00
7/17/2017
7/18/2017 0.27
7/19/2017 0.00
7/20/2017
7/21/2017 0.01
7/22/2017 0.17
7/23/2017 0.00
7/24/2017 0.00
7/25/2017 0.00
7/26/2017 0.11
7/27/2017 0.02
7/28/2017 0.00
7/29/2017
7/30/2017 0.21
7/31/2017
8/1/2017 0.00
8/2/2017
8/3/2017
8/4/2017 0.09
8/5/2017 0.00
8/6/2017 0.00
8/7/2017
8/8/2017 0.13
8/9/2017 0.16
8/10/2017 0.17
8/11/2017 0.02
8/12/2017 0.03
8/13/2017 0.00
8/14/2017
8/15/2017 0.05
8/16/2017 0.02
8/17/2017
8/18/2017
8/19/2017 0.00
8/20/2017 0.00
8/21/2017 0.00
8/22/2017
8/23/2017 0.00
8/24/2017 0.00
8/25/2017 0.02
8/26/2017
8/27/2017 0.00
8/28/2017 0.00
8/29/2017 0.00
8/30/2017 0.00
8/31/2017
9/1/2017
9/2/2017 0.00
9/3/2017 0.00
9/4/2017
9/5/2017 0.00
9/6/2017 0.00
9/7/2017
9/8/2017
9/9/2017 0.00
9/10/2017
9/11/2017 0.32
9/12/2017 0.13
9/13/2017 0.00
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017 M
9/20/2017 0.01
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017 M
9/27/2017 0.00
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/3/2016 9:00 AM 0.00 0.0 M M M
10/11/2016 9:00 AM 0.50 M M M M
12/1/2016 1:00 PM 0.00 0.0 0.00 2.0 0.26 Cold, snow cover is inconsistent
12/6/2016 9:00 AM M 4.3 0.26 4.5 M
12/8/2016 9:00 AM 0.22 2.5 0.22 6.0 M
12/9/2016 9:00 AM 0.65 6.5 0.65 10.0 0.85
12/17/2016 10:00 AM 0.76 8.0 0.76 15.0 0.89 Thick, wet, and heavy snow
5/30/2017 9:00 AM 0.00 0.0 M M M
5/31/2017 10:00 AM T M M M M
6/9/2017 9:00 AM 0.00 0.0 M M M
6/10/2017 8:45 AM 0.00 0.0 M M M
6/11/2017 10:00 AM 0.00 0.0 M M M
6/12/2017 9:00 AM 0.00 0.0 M M M
6/15/2017 9:00 AM 0.00 0.0 M M M
6/16/2017 9:00 AM 0.00 0.0 M M M
6/17/2017 9:00 AM 0.00 0.0 M M M
6/18/2017 9:45 AM 0.00 0.0 M M M
6/19/2017 10:00 AM 0.00 0.0 M M M
6/20/2017 9:00 AM 0.00 0.0 M M M
6/21/2017 9:00 AM 0.01 M M M M
6/23/2017 9:00 AM 0.03 M M M M
6/24/2017 9:00 AM 0.00 0.0 M M M
6/25/2017 10:00 AM 0.00 0.0 M M M
6/26/2017 8:30 AM 0.00 0.0 M M M
6/27/2017 10:00 AM 0.00 0.0 M M M
6/28/2017 8:30 AM 0.00 0.0 M M M
6/29/2017 9:00 AM 0.00 0.0 M M M
7/1/2017 10:00 AM 0.00 0.0 M M M
7/2/2017 9:00 AM 0.00 0.0 M M M
7/5/2017 8:45 AM 0.00 0.0 M M M
7/7/2017 9:00 AM 0.00 0.0 M M M
7/8/2017 9:00 AM 0.00 0.0 M M M Hazy from forest fires.
7/9/2017 9:00 AM 0.17 M M M M
7/10/2017 9:00 AM 0.01 M M M M
7/11/2017 10:00 AM 0.20 M M M M
7/13/2017 9:00 AM 0.33 M M M M
7/15/2017 10:00 AM 0.07 M M M M
7/16/2017 8:55 AM 0.00 0.0 M M M
7/18/2017 9:00 AM 0.27 M M M M
7/19/2017 10:00 AM 0.00 0.0 M M M
7/21/2017 2:00 PM 0.01 M M M M
7/22/2017 8:30 AM 0.17 M M M M
7/23/2017 9:00 AM 0.00 0.0 M M M
7/24/2017 10:00 AM 0.00 0.0 M M M
7/25/2017 9:00 AM 0.00 0.0 M M M
7/26/2017 9:00 AM 0.11 M M M M
7/27/2017 9:00 AM 0.02 M M M M
7/28/2017 9:00 AM 0.00 0.0 M M M Small brown bug, dead.
7/30/2017 10:00 AM 0.21 M M M M
8/1/2017 9:00 AM 0.00 0.0 M M M A tiny bit but rounds to 0.
8/4/2017 9:00 AM 0.09 M M M M
8/5/2017 9:00 AM 0.00 0.0 M M M
8/6/2017 9:00 AM 0.00 0.0 M M M
8/8/2017 9:00 AM 0.13 M M M M
8/9/2017 8:50 AM 0.16 M M M M
8/10/2017 9:00 AM 0.17 M M M M
8/11/2017 9:00 AM 0.02 M M M M
8/12/2017 9:00 AM 0.03 M M M M
8/13/2017 9:00 AM 0.00 0.0 M M M
8/15/2017 10:00 AM 0.05 M M M M
8/16/2017 9:00 AM 0.02 M M M M
8/19/2017 9:00 AM 0.00 0.0 M M M
8/20/2017 10:00 AM 0.00 0.0 M M M
8/21/2017 9:00 AM 0.00 0.0 M M M
8/23/2017 9:00 AM 0.00 0.0 M M M
8/24/2017 9:00 AM 0.00 0.0 M M M
8/25/2017 11:00 AM 0.02 M M M M
8/27/2017 9:00 AM 0.00 0.0 M M M
8/28/2017 9:00 AM 0.00 0.0 M M M
8/29/2017 9:00 AM 0.00 0.0 M M M
8/30/2017 10:00 AM 0.00 0.0 M M M
9/2/2017 9:00 AM 0.00 0.0 M M M
9/3/2017 9:00 AM 0.00 0.0 M M M
9/5/2017 9:00 AM 0.00 0.0 M M M Smokey due to western wildfires. Visibility around 10-15 miles.
9/6/2017 9:00 AM 0.00 0.0 M M M Hazy again. Dew on grass but none in gauge.
9/9/2017 9:00 AM 0.00 0.0 M M M
9/11/2017 9:00 AM 0.32 M M M M
9/12/2017 9:00 AM 0.13 M M M M
9/13/2017 9:00 AM 0.00 0.0 M M M Dew in gauge. Not measurable.
9/19/2017 9:00 AM M M M M M Hasn't been recorded for about a week. I don't believe it rained last night. {EDIT: Observer reported 0.48 of new precip but indicated in the notes that this was a multi-day report instead of a 24 hour report. Changed report of 0.48 to NA until observer can be contacted to verify time frame so a multi-day report can be entered. CoCoSTAFF DNT}
9/20/2017 9:00 AM 0.01 M M M M
9/26/2017 9:00 AM M M M M M Has not be recorded in many days. Precipitation was frozen. {EDIT: Observer reported 0.32 of new precip but indicated in the notes that this was a multi-day report instead of a 24 hour report. Changed report of 0.32 to NA until observer can be contacted to verify a time frame so a multi-day report can be submitted. Submission Time Before EDIT: 9/26/2017 8:51 AM CoCoSTAFF DNT}
9/27/2017 9:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/10/2016 12/12/2016 9:00 AM 3 2.50 9.0 0.29
12/13/2016 12/15/2016 9:00 AM 3 1.00 8.5 0.25 Snowed from night of 12/13 to early morning of 12/15. Snow turned to mixed precip resulting in ice layer on top of snow.
12/25/2016 12/26/2016 9:00 AM 2 4.00 16.0 M
1/2/2017 1/05/2017 11:00 AM 4 M 16.5 0.71 Snow was very light from 1/2/17 to midday 1/4/17 with the majority falling in the night of 1/4 and morning of 1/5. Medium to heavy snow continued to fall at time of recording. {EDIT: Observer reported 12.00 of new precip for 1/2-1/5. This appears to be a decimal typo, or total snowfall for that time. Changed report of 12.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 1/05/2017 11:25 AM CoCoSTAFF DNT}
1/6/2017 1/31/2017 11:00 AM 26 M 27.0 6.26 Reports were not taken for multiple weeks and therefore the collection tube was frozen solid. The depth of snow between 1/6 and 1/31 is unknown, but the water content for the ice contained in the accumulated snow was 4.93 inches.
4/1/2017 4/17/2017 9:00 AM 17 0.00 0.0 0.00 It actually looks like our last observation was January 31, but the system won't let me have a span of more than 60 days, so I am setting it at the start of April.
4/17/2017 5/29/2017 9:00 AM 43 0.00 M M
6/1/2017 6/08/2017 8:50 AM 8 0.26 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