Station Overview Station Location
Station Number CO-WE-475 Latitude 40.635449
Station Name Pierce 0.2 NW Longitude -104.75727
County Weld Elevation (ft) 5044



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 0.96 0.62 7 0.62 7 0.00 0 0 7 0 0.0 0 0
Nov 16 0.54 0.07 1 0.07 1 0.00 0 0 1 0 0.0 0 0
Dec 16 0.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 0.26 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 0.34 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 0.99 0.22 4 0.22 4 0.00 0 0 4 0 0.0 0 0
April 17 1.61 2.62 12 2.62 12 0.00 0 0 10 2 0.0 0 0
May 17 2.23 4.62 16 3.12 14 1.50 2 1 13 1 0.0 0 0
June 17 2.03 0.42 7 0.42 7 0.00 0 0 5 2 0.0 0 0
July 17 1.58 0.41 16 0.39 8 0.02 8 1 5 3 0.0 0 0
Aug 17 1.44 1.67 17 1.02 12 0.65 5 1 9 3 0.0 0 0
Sept 17 1.15 0.21 5 0.21 5 0.00 0 0 4 1 0.0 0 0
Water Year Totals: 13.47" 10.86" 85 days 8.69" 70 2.17" 15 days 3 58 days 12 days 0.0" 0 days 0 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 0.01
10/2/2016
10/3/2016 0.01
10/4/2016
10/5/2016
10/6/2016 0.08
10/7/2016 0.18
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016 0.30
10/13/2016 0.02
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016 0.02
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 0.07
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
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016
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
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
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
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 0.01
3/25/2017
3/26/2017
3/27/2017
3/28/2017 0.01
3/29/2017 0.18
3/30/2017
3/31/2017 0.02
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.23
4/2/2017
4/3/2017 0.07
4/4/2017
4/5/2017 T
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 0.88
4/22/2017 0.67
4/23/2017 0.02
4/24/2017
4/25/2017 0.09
4/26/2017 0.01
4/27/2017 0.02
4/28/2017 0.07
4/29/2017 0.56
4/30/2017 T
5/1/2017
5/2/2017 0.01
5/3/2017 0.13
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017 T
5/9/2017 0.68
5/10/2017 0.03
5/11/2017 0.07
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017 0.22
5/18/2017 1.62
5/19/2017 **
5/20/2017 1.50
5/21/2017 0.01
5/22/2017
5/23/2017 0.08
5/24/2017
5/25/2017
5/26/2017
5/27/2017 0.18
5/28/2017 0.01
5/29/2017 0.02
5/30/2017
5/31/2017 0.06
6/1/2017
6/2/2017 0.24
6/3/2017 0.01
6/4/2017
6/5/2017
6/6/2017
6/7/2017 0.02
6/8/2017 T
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017 0.05
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017 T
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017 0.10
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 0.04
7/8/2017
7/9/2017
7/10/2017 0.30
7/11/2017 0.03
7/12/2017 T
7/13/2017 0.01
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017 **
7/20/2017 **
7/21/2017 **
7/22/2017 **
7/23/2017 **
7/24/2017 **
7/25/2017 **
7/26/2017 0.02
7/27/2017 0.01
7/28/2017 T
7/29/2017
7/30/2017
7/31/2017 T
8/1/2017
8/2/2017 0.04
8/3/2017 0.16
8/4/2017 0.02
8/5/2017 T
8/6/2017 0.19
8/7/2017 0.28
8/8/2017 **
8/9/2017 **
8/10/2017 **
8/11/2017 **
8/12/2017 0.65
8/13/2017 0.08
8/14/2017 T
8/15/2017 0.02
8/16/2017 0.22
8/17/2017 0.01
8/18/2017 T
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017 T
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 0.07
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017 0.10
9/17/2017 0.03
9/18/2017 0.01
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 6:00 AM 0.01 0.0 M 0.0 M
10/3/2016 7:00 AM 0.01 0.0 M 0.0 M
10/6/2016 7:00 AM 0.08 0.0 M 0.0 M Sprinks at 0700 obsv time.
10/7/2016 7:00 AM 0.18 0.0 M 0.0 M
10/12/2016 6:52 AM 0.30 0.0 M 0.0 M
10/13/2016 7:00 AM 0.02 0.0 M 0.0 M
10/19/2016 7:00 AM 0.02 0.0 M 0.0 M
11/2/2016 7:00 AM 0.07 0.0 M 0.0 M
3/24/2017 7:00 AM 0.01 0.0 M 0.0 M
3/28/2017 6:30 AM 0.01 0.0 M 0.0 M
3/29/2017 7:00 AM 0.18 0.0 M 0.0 M
3/31/2017 7:00 AM 0.02 0.0 M 0.0 M
4/1/2017 7:00 AM 0.23 T T 0.0 M
4/3/2017 7:00 AM 0.07 0.0 M 0.0 M
4/5/2017 7:00 AM T T T 0.0 M Some graupel.
4/21/2017 7:00 AM 0.88 0.0 M 0.0 M A few sprinks falling at observation time.
4/22/2017 7:00 AM 0.67 0.0 M 0.0 M Sprinks at ibservation time.
4/23/2017 7:30 AM 0.02 0.0 M 0.0 M
4/25/2017 7:00 AM 0.09 0.0 M 0.0 M
4/26/2017 7:00 AM 0.01 0.0 M 0.0 M
4/27/2017 7:00 AM 0.02 0.0 M 0.0 M
4/28/2017 7:00 AM 0.07 0.0 M 0.0 M
4/29/2017 8:00 AM 0.56 M M M M Gauge contents are from melted snow and rain.
4/30/2017 7:00 AM T T T 0.0 M
5/2/2017 7:00 AM 0.01 0.0 M 0.0 M
5/3/2017 7:00 AM 0.13 0.0 M 0.0 M
5/8/2017 7:00 AM T 0.0 M 0.0 M
5/9/2017 6:30 AM 0.68 0.0 M 0.0 M
5/10/2017 6:30 AM 0.03 0.0 M 0.0 M
5/11/2017 6:30 AM 0.07 0.0 M 0.0 M
5/17/2017 6:30 AM 0.22 0.0 M 0.0 M
5/18/2017 7:30 AM 1.62 0.0 M 0.0 M Raining at 0730 obsv time. Standing water.
5/21/2017 7:00 AM 0.01 0.0 M 0.0 M
5/23/2017 6:30 AM 0.08 0.0 M 0.0 M
5/27/2017 7:00 AM 0.18 0.0 M 0.0 M Sprinkles at 0700 obsv time. Pea-sized hail 2055-2105. Awesome light show.
5/28/2017 7:00 AM 0.01 0.0 M 0.0 M
5/29/2017 6:00 AM 0.02 0.0 M 0.0 M
5/31/2017 6:00 AM 0.06 0.0 M 0.0 M
6/2/2017 5:30 AM 0.24 0.0 M 0.0 M Rain and 1/2 inch hail 1625-1652, then sprinkles until 1700.
6/3/2017 7:00 AM 0.01 0.0 M 0.0 M
6/7/2017 6:30 AM 0.02 0.0 M 0.0 M
6/8/2017 6:30 AM T 0.0 M 0.0 M
6/13/2017 6:30 AM 0.05 0.0 M 0.0 M 1" hail with Tornado warning. Pics of clouds are available upon request.
6/21/2017 6:30 AM T 0.0 M 0.0 M
6/30/2017 5:30 AM 0.10 0.0 M 0.0 M Exactly 0.10" of precip observed. Pea sized white soft-ice hail 1725-1730.
7/7/2017 7:00 AM 0.04 0.0 M 0.0 M
7/10/2017 6:30 AM 0.30 0.0 M 0.0 M Exactly 0.30" observed.
7/11/2017 6:30 AM 0.03 0.0 M 0.0 M
7/12/2017 6:30 AM T 0.0 M 0.0 M
7/13/2017 6:30 AM 0.01 0.0 M 0.0 M
7/27/2017 7:00 AM 0.01 0.0 M 0.0 M
7/28/2017 7:00 AM T 0.0 M 0.0 M
7/31/2017 6:00 AM T 0.0 M 0.0 M
8/2/2017 6:00 AM 0.04 0.0 M 0.0 M
8/3/2017 6:00 AM 0.16 0.0 M 0.0 M
8/4/2017 7:00 AM 0.02 0.0 M 0.0 M
8/5/2017 7:00 AM T 0.0 M 0.0 M
8/6/2017 6:00 AM 0.19 0.0 M 0.0 M
8/7/2017 6:00 AM 0.28 0.0 M 0.0 M Raining at 0600 obsv time.
8/13/2017 7:00 AM 0.08 0.0 M 0.0 M
8/14/2017 7:00 AM T 0.0 M 0.0 M
8/15/2017 6:00 AM 0.02 0.0 M 0.0 M
8/16/2017 6:00 AM 0.22 0.0 M 0.0 M
8/17/2017 6:00 AM 0.01 0.0 M 0.0 M
8/18/2017 6:00 AM T 0.0 M 0.0 M
9/1/2017 6:00 AM T 0.0 M 0.0 M
9/10/2017 6:30 AM 0.07 0.0 M 0.0 M
9/16/2017 7:00 AM 0.10 0.0 M 0.0 M
9/17/2017 7:00 AM 0.03 0.0 M 0.0 M
9/18/2017 5:30 AM 0.01 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/19/2017 5/20/2017 7:00 AM 2 1.50 M M Exactly 1.50" of water measured.
7/19/2017 7/26/2017 7:00 AM 8 0.02 0.0 M
8/8/2017 8/12/2017 7:00 AM 5 0.65 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
5/26/2017 8:55 PM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard|White Ice 10 no damage Continuous False Same time as rain Same time as smaller hail
6/1/2017 4:25 PM 0.24" of rain + hail 1625-1652. 1/2" Grape 1/2" Grape 1/2" Grape 10 3min Continuous True After rain
1/1/0001 12:00 AM Not home at time of storm. Only a few 1 inch hailstones remained in yard. The dog ate most of the evidence. NA 1" Quarter Size NA Hard|Clear Ice False
6/29/2017 7:25 PM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Soft|White Ice 5 1min no damage Continuous True Same time as rain Same time as smaller hail