Station Overview Station Location
Station Number CO-AD-207 Latitude 39.947543
Station Name Thornton 3.9 NNE Longitude -104.937969
County Adams Elevation (ft) 5348



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 14 1.05 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 14 0.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 14 0.61 0.52 4 0.52 4 0.00 0 0 2 0 0.0 0 0
Jan 15 0.42 0.15 5 0.15 5 0.00 0 0 2 0 2.5 2 1
Feb 15 0.40 1.94 10 1.44 7 0.50 3 1 6 0 7.7 3 2
March 15 1.51 0.30 4 0.30 4 0.00 0 0 3 0 0.0 0 0
April 15 1.88 2.54 3 2.54 3 0.00 0 0 3 0 0.0 0 0
May 15 2.28 4.49 10 4.49 10 0.00 0 0 10 0 1.5 1 0
June 15 1.83 2.00 6 2.00 6 0.00 0 0 6 0 0.0 0 0
July 15 1.57 1.80 9 1.80 9 0.00 0 0 8 0 0.0 0 0
Aug 15 1.89 0.44 3 0.44 3 0.00 0 0 3 0 0.0 0 0
Sept 15 1.00 0.19 4 0.19 4 0.00 0 0 2 2 0.0 0 0
Water Year Totals: 15.23" 14.37" 58 days 13.87" 55 0.50" 3 days 1 45 days 2 days 11.7" 6 days 3 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
10/1/2014
10/2/2014
10/3/2014
10/4/2014
10/5/2014
10/6/2014
10/7/2014
10/8/2014
10/9/2014
10/10/2014
10/11/2014
10/12/2014
10/13/2014
10/14/2014
10/15/2014
10/16/2014
10/17/2014
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014
10/23/2014
10/24/2014
10/25/2014
10/26/2014
10/27/2014
10/28/2014
10/29/2014
10/30/2014
10/31/2014
11/1/2014
11/2/2014
11/3/2014
11/4/2014
11/5/2014
11/6/2014
11/7/2014
11/8/2014
11/9/2014
11/10/2014
11/11/2014
11/12/2014
11/13/2014
11/14/2014
11/15/2014
11/16/2014
11/17/2014
11/18/2014
11/19/2014
11/20/2014
11/21/2014
11/22/2014
11/23/2014
11/24/2014
11/25/2014
11/26/2014
11/27/2014
11/28/2014
11/29/2014
11/30/2014
12/1/2014
12/2/2014
12/3/2014
12/4/2014
12/5/2014
12/6/2014
12/7/2014
12/8/2014
12/9/2014
12/10/2014
12/11/2014
12/12/2014
12/13/2014
12/14/2014
12/15/2014
12/16/2014
12/17/2014
12/18/2014
12/19/2014
12/20/2014
12/21/2014
12/22/2014
12/23/2014
12/24/2014
12/25/2014
12/26/2014 0.32
12/27/2014
12/28/2014
12/29/2014 0.00
12/30/2014 0.20
12/31/2014 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2015
1/2/2015
1/3/2015
1/4/2015 0.09
1/5/2015
1/6/2015
1/7/2015
1/8/2015
1/9/2015
1/10/2015
1/11/2015
1/12/2015
1/13/2015
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015
1/19/2015
1/20/2015 0.00
1/21/2015 0.00
1/22/2015 0.06
1/23/2015
1/24/2015
1/25/2015
1/26/2015
1/27/2015
1/28/2015
1/29/2015
1/30/2015
1/31/2015 0.00
2/1/2015 0.24
2/2/2015
2/3/2015
2/4/2015 0.22
2/5/2015
2/6/2015
2/7/2015
2/8/2015
2/9/2015
2/10/2015
2/11/2015 0.00
2/12/2015
2/13/2015
2/14/2015
2/15/2015
2/16/2015 **
2/17/2015 **
2/18/2015 0.50
2/19/2015
2/20/2015
2/21/2015 0.30
2/22/2015 0.34
2/23/2015
2/24/2015 0.03
2/25/2015
2/26/2015 0.31
2/27/2015
2/28/2015
3/1/2015
3/2/2015
3/3/2015
3/4/2015 0.03
3/5/2015
3/6/2015
3/7/2015
3/8/2015
3/9/2015
3/10/2015
3/11/2015
3/12/2015
3/13/2015 0.00
3/14/2015
3/15/2015
3/16/2015
3/17/2015
3/18/2015
3/19/2015 0.24
3/20/2015
3/21/2015
3/22/2015
3/23/2015
3/24/2015
3/25/2015 0.03
3/26/2015
3/27/2015
3/28/2015
3/29/2015
3/30/2015
3/31/2015
Day of YearDaily PrcpMultiday Prcp
4/1/2015
4/2/2015
4/3/2015 0.20
4/4/2015
4/5/2015
4/6/2015
4/7/2015
4/8/2015
4/9/2015
4/10/2015
4/11/2015
4/12/2015
4/13/2015
4/14/2015
4/15/2015
4/16/2015
4/17/2015
4/18/2015
4/19/2015
4/20/2015
4/21/2015
4/22/2015
4/23/2015
4/24/2015
4/25/2015
4/26/2015
4/27/2015 2.24
4/28/2015 0.10
4/29/2015
4/30/2015
5/1/2015
5/2/2015
5/3/2015
5/4/2015 0.07
5/5/2015 0.52
5/6/2015
5/7/2015 1.40
5/8/2015
5/9/2015 0.91
5/10/2015 0.62
5/11/2015
5/12/2015
5/13/2015
5/14/2015
5/15/2015
5/16/2015
5/17/2015
5/18/2015
5/19/2015 0.60
5/20/2015 0.02
5/21/2015 0.02
5/22/2015 0.07
5/23/2015 0.26
5/24/2015
5/25/2015
5/26/2015
5/27/2015
5/28/2015
5/29/2015
5/30/2015
5/31/2015
6/1/2015
6/2/2015
6/3/2015
6/4/2015
6/5/2015 0.23
6/6/2015 0.62
6/7/2015
6/8/2015
6/9/2015
6/10/2015 0.53
6/11/2015 0.04
6/12/2015 0.53
6/13/2015
6/14/2015
6/15/2015
6/16/2015
6/17/2015
6/18/2015
6/19/2015
6/20/2015
6/21/2015
6/22/2015
6/23/2015
6/24/2015
6/25/2015 0.05
6/26/2015
6/27/2015
6/28/2015
6/29/2015
6/30/2015
Day of YearDaily PrcpMultiday Prcp
7/1/2015
7/2/2015
7/3/2015 0.27
7/4/2015
7/5/2015
7/6/2015 0.11
7/7/2015 0.03
7/8/2015
7/9/2015 0.26
7/10/2015 0.59
7/11/2015
7/12/2015
7/13/2015
7/14/2015
7/15/2015 0.20
7/16/2015 0.31
7/17/2015
7/18/2015
7/19/2015
7/20/2015
7/21/2015
7/22/2015
7/23/2015
7/24/2015
7/25/2015 0.03
7/26/2015 0.00
7/27/2015
7/28/2015
7/29/2015
7/30/2015
7/31/2015
8/1/2015
8/2/2015
8/3/2015 0.15
8/4/2015
8/5/2015
8/6/2015
8/7/2015
8/8/2015
8/9/2015
8/10/2015
8/11/2015
8/12/2015
8/13/2015
8/14/2015
8/15/2015
8/16/2015
8/17/2015
8/18/2015 0.10
8/19/2015 0.19
8/20/2015
8/21/2015
8/22/2015
8/23/2015
8/24/2015
8/25/2015
8/26/2015
8/27/2015
8/28/2015
8/29/2015
8/30/2015
8/31/2015
9/1/2015
9/2/2015
9/3/2015
9/4/2015 0.15
9/5/2015
9/6/2015 T
9/7/2015
9/8/2015
9/9/2015
9/10/2015
9/11/2015
9/12/2015
9/13/2015
9/14/2015
9/15/2015
9/16/2015
9/17/2015
9/18/2015
9/19/2015
9/20/2015
9/21/2015
9/22/2015
9/23/2015
9/24/2015
9/25/2015
9/26/2015
9/27/2015
9/28/2015
9/29/2015 0.04
9/30/2015 T



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/26/2014 7:00 AM 0.32 M M M M All snow, blowing at times
12/29/2014 7:00 AM 0.00 0.0 M M M Trace, light snow
12/30/2014 7:00 AM 0.20 M M M M Light snow most of the day
12/31/2014 7:00 AM 0.00 0.0 M M M Trace, light snow
1/4/2015 7:00 AM 0.09 2.0 0.09 5.0 M Snow, blowing snow until around 9 p.m. 1-3-2015
1/20/2015 7:00 AM 0.00 0.0 M M M
1/21/2015 7:00 AM 0.00 0.0 M M M
1/22/2015 7:00 AM 0.06 0.5 M M M light snow all day, all night
1/31/2015 7:00 AM 0.00 0.0 M M M Cloudy, light breeze
2/1/2015 7:00 AM 0.24 1.7 0.24 1.5 M Cold and slight breeze.
2/4/2015 7:00 AM 0.22 M M M M Snow and wind
2/11/2015 7:00 AM 0.00 0.0 M M M Not even a trace of moisture. Nice weather though.
2/21/2015 7:00 AM 0.30 M M M M
2/22/2015 7:00 AM 0.34 3.0 0.34 8.0 M
2/24/2015 7:00 AM 0.03 T 0.03 M M light snow
2/26/2015 7:00 AM 0.31 3.0 0.31 M M
3/4/2015 7:00 AM 0.03 M M M M light snow
3/13/2015 7:00 AM 0.00 0.0 M M M Nothing but clouds!
3/19/2015 7:00 AM 0.24 M M M M Light even rain, good for the garden
3/25/2015 7:00 AM 0.03 M M M M soft gentle rain, perfect for the lawn.
4/3/2015 7:00 AM 0.20 M M M M light snow, little accumulation
4/27/2015 7:00 AM 2.24 M M M M Out of town from 4/15-4/26, this measurement is total for that time period.
4/28/2015 7:00 AM 0.10 M M M M
5/4/2015 7:00 AM 0.07 M M M M rain overnight
5/5/2015 6:30 AM 0.52 M M M M
5/7/2015 7:00 AM 1.40 M M M M
5/9/2015 7:00 AM 0.91 M M M M rain all night, wet and soggy
5/10/2015 7:00 AM 0.62 1.5 M M M Rain started 7pm 5/09 then turned to snow about 8pm 5/09
5/19/2015 7:00 AM 0.60 M M M M
5/20/2015 7:00 AM 0.02 M M M M
5/21/2015 7:00 AM 0.02 M M M M
5/22/2015 7:00 AM 0.07 M M M M
5/23/2015 7:00 AM 0.26 M M M M
6/5/2015 7:00 AM 0.23 M M M M No hail, heavy winds
6/6/2015 7:00 AM 0.62 M M M M
6/10/2015 7:00 AM 0.53 M M M M Rain and wind started about 6pm, ended about 8pm. Monsoon like weather for sure. Lots of thunder, no lightning visible
6/11/2015 7:00 AM 0.04 M M M M
6/12/2015 7:00 AM 0.53 M M M M rain started approx. 8pm, continued off and on all night
6/25/2015 7:00 AM 0.05 M M M M Lots of wind, not much rain
7/3/2015 7:00 AM 0.27 M M M M Heavy rain during the evening
7/6/2015 7:00 AM 0.11 M M M M Overnight light rain
7/7/2015 7:00 AM 0.03 M M M M light drizzle off and on all day
7/9/2015 7:00 AM 0.26 M M M M light rain most of the day
7/10/2015 7:00 AM 0.59 M M M M Heavy rain all evening
7/15/2015 7:00 AM 0.20 M M M M evening storm
7/16/2015 7:00 AM 0.31 M M M M
7/25/2015 7:00 AM 0.03 M M M M
7/26/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.15 M M M M rain started about 5pm, lasted less than one hour. Good size drops but no damage done to garden. refreshing!
8/18/2015 7:00 AM 0.10 M M M M
8/19/2015 7:00 AM 0.19 M M M M overnight rain, after 10pm
9/4/2015 7:00 AM 0.15 M M M M
9/6/2015 7:00 AM T M M M M
9/29/2015 7:00 AM 0.04 M M M M light rain before 5am
9/30/2015 7:00 AM T M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/16/2015 2/18/2015 7:00 AM 3 0.50 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