Station Overview Station Location
Station Number CO-BO-394 Latitude 40.2326571196318
Station Name Allenspark 2.3 N Longitude -105.527498424053
County Boulder Elevation (ft) 8488



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 17 1.43 1.84 30 1.84 30 0.00 0 0 9 2 14.8 7 1
Nov 17 1.60 1.72 12 1.72 12 0.00 0 0 4 0 19.1 4 0
Dec 17 1.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 1.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 1.23 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 2.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 3.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 2.84 2.80 29 1.92 21 0.88 8 1 7 0 8.0 2 0
June 18 1.97 1.33 26 1.33 26 0.00 0 0 7 2 0.0 0 0
July 18 2.63 2.15 30 1.76 24 0.39 6 1 10 1 0.0 0 0
Aug 18 2.41 0.50 28 0.50 28 0.00 0 0 12 1 0.0 0 0
Sept 18 1.87 0.22 29 0.22 28 0.00 1 0 6 5 0.0 0 0
Water Year Totals: 24.04" 10.56" 184 days 9.29" 169 1.27" 15 days 2 55 days 11 days 41.9" 13 days 1 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
10/1/2017 0.15
10/2/2017 0.64
10/3/2017 0.13
10/4/2017 T
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.01
10/8/2017 0.00
10/9/2017 0.47
10/10/2017 0.19
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.00
10/16/2017 0.00
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 T
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.00
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 0.11
10/28/2017 0.00
10/29/2017
10/30/2017 0.02
10/31/2017 0.12
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.75
11/6/2017 0.31
11/7/2017 0.60
11/8/2017 0.06
11/9/2017 0.00
11/10/2017 0.00
11/11/2017 0.00
11/12/2017 0.00
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017
12/17/2017
12/18/2017
12/19/2017
12/20/2017
12/21/2017
12/22/2017
12/23/2017
12/24/2017
12/25/2017
12/26/2017
12/27/2017
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018
4/2/2018
4/3/2018
4/4/2018
4/5/2018
4/6/2018
4/7/2018
4/8/2018
4/9/2018
4/10/2018
4/11/2018
4/12/2018
4/13/2018
4/14/2018
4/15/2018
4/16/2018
4/17/2018
4/18/2018
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018 1.20
5/4/2018 0.29
5/5/2018 0.00
5/6/2018 0.00
5/7/2018 0.00
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.00
5/12/2018 0.02
5/13/2018 0.20
5/14/2018 0.15
5/15/2018 0.01
5/16/2018 0.00
5/17/2018 **
5/18/2018 **
5/19/2018 **
5/20/2018 **
5/21/2018 **
5/22/2018 **
5/23/2018 **
5/24/2018 0.88
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.00
5/29/2018 0.05
5/30/2018 0.00
5/31/2018 0.00
6/1/2018 0.00
6/2/2018 0.00
6/3/2018 0.00
6/4/2018 0.00
6/5/2018 0.00
6/6/2018 0.00
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.00
6/11/2018 0.00
6/12/2018 0.00
6/13/2018
6/14/2018 0.01
6/15/2018 0.00
6/16/2018 T
6/17/2018 0.11
6/18/2018 1.05
6/19/2018 0.02
6/20/2018
6/21/2018
6/22/2018 0.00
6/23/2018 T
6/24/2018 0.04
6/25/2018 0.05
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.05
6/29/2018 0.00
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.03
7/7/2018 0.00
7/8/2018 0.06
7/9/2018 0.27
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.73
7/14/2018 0.10
7/15/2018 0.00
7/16/2018 **
7/17/2018 **
7/18/2018 **
7/19/2018 **
7/20/2018 **
7/21/2018 0.39
7/22/2018 T
7/23/2018 0.04
7/24/2018 0.39
7/25/2018 0.00
7/26/2018 0.12
7/27/2018 0.00
7/28/2018 0.01
7/29/2018 0.01
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 0.00
8/3/2018 T
8/4/2018 0.03
8/5/2018 0.01
8/6/2018 0.02
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 0.00
8/10/2018 0.00
8/11/2018 0.00
8/12/2018 0.00
8/13/2018 0.00
8/14/2018
8/15/2018 0.14
8/16/2018 0.00
8/17/2018
8/18/2018 0.02
8/19/2018 0.11
8/20/2018 0.01
8/21/2018 0.04
8/22/2018 0.05
8/23/2018 0.04
8/24/2018 0.00
8/25/2018 0.00
8/26/2018
8/27/2018 0.02
8/28/2018 0.00
8/29/2018 0.01
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 T
9/2/2018 0.10
9/3/2018 0.00
9/4/2018 0.02
9/5/2018 T
9/6/2018 0.01
9/7/2018 T
9/8/2018 0.00
9/9/2018 T
9/10/2018 0.01
9/11/2018 0.00
9/12/2018 0.00
9/13/2018 0.00
9/14/2018 0.00
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.00
9/19/2018 0.00
9/20/2018 0.05
9/21/2018 0.00
9/22/2018 0.00
9/23/2018 0.00
9/24/2018 T
9/25/2018 0.03
9/26/2018 0.00
9/27/2018 0.00
9/28/2018 0.00
9/29/2018
9/30/2018 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 7:00 AM 0.15 M M M M
10/2/2017 7:00 AM 0.64 2.8 0.25 M M Melted snow may include unknown amount of rain. Inner paert of gauge removed at 7:30pm to prevent freezing. No snow was falling before 11:00pm.
10/3/2017 7:00 AM 0.13 0.3 M M M
10/4/2017 7:00 AM T M M M M
10/5/2017 7:00 AM 0.00 M M M M
10/6/2017 7:00 AM 0.00 M M M M
10/7/2017 7:00 AM 0.01 M M M M
10/8/2017 7:00 AM 0.00 M M M M
10/9/2017 7:00 AM 0.47 5.0 M M M Rain before snow snow so could not tell melted snow core amount
10/10/2017 7:00 AM 0.19 3.8 0.19 M M
10/11/2017 7:00 AM 0.00 M M M M
10/12/2017 7:00 AM 0.00 M M M M
10/13/2017 7:00 AM 0.00 M M M M
10/14/2017 7:00 AM 0.00 M M M M
10/15/2017 7:00 AM 0.00 M M M M
10/16/2017 7:00 AM 0.00 M M M M
10/17/2017 7:00 AM 0.00 M M M M
10/18/2017 7:00 AM 0.00 M M M M
10/19/2017 7:00 AM 0.00 M M M M
10/20/2017 7:00 AM 0.00 M M M M
10/21/2017 7:00 AM T M M M M
10/22/2017 7:00 AM 0.00 M M M M
10/23/2017 7:00 AM 0.00 M M M M
10/24/2017 7:00 AM 0.00 M M M M
10/25/2017 7:00 AM 0.00 M M M M
10/26/2017 7:00 AM 0.00 M M M M
10/27/2017 7:00 AM 0.11 1.8 0.11 1.8 0.11
10/28/2017 7:00 AM 0.00 M M M M
10/30/2017 7:00 AM 0.02 0.1 0.02 M M Freezing rain
10/31/2017 7:00 AM 0.12 1.0 0.12 M M
11/1/2017 7:00 AM 0.00 M M M M
11/2/2017 7:00 AM 0.00 M M M M
11/3/2017 7:00 AM 0.00 M M M M
11/4/2017 7:00 AM 0.00 M M M M
11/5/2017 7:00 AM 0.75 5.9 0.62 M M
11/6/2017 7:00 AM 0.31 3.0 0.31 M M
11/7/2017 7:00 AM 0.60 9.2 0.60 M M
11/8/2017 7:00 AM 0.06 1.0 0.06 M M
11/9/2017 7:00 AM 0.00 M M M M
11/10/2017 7:00 AM 0.00 M M M M
11/11/2017 7:00 AM 0.00 M M M M
11/12/2017 7:00 AM 0.00 M M M M
5/3/2018 7:00 AM 1.20 6.5 1.20 M M Returned. Snowing, about 2.5 inches eyeballed, actuall measurement 4inches snow, 0.75 melt
5/4/2018 7:00 AM 0.29 1.5 0.29 M M Snow depth measured after some shrinkage. Could have been upto 2.0 inches.
5/5/2018 7:00 AM 0.00 M M M M
5/6/2018 7:00 AM 0.00 M M M M
5/7/2018 7:00 AM 0.00 M M M M
5/8/2018 7:00 AM 0.00 M M M M
5/9/2018 7:00 AM 0.00 M M M M
5/10/2018 7:00 AM 0.00 M M M M
5/11/2018 7:00 AM 0.00 M M M M
5/12/2018 7:00 AM 0.02 M M M M
5/13/2018 7:00 AM 0.20 M M M M
5/14/2018 7:00 AM 0.15 M M M M
5/15/2018 7:00 AM 0.01 M M M M
5/16/2018 7:00 AM 0.00 M M M M
5/25/2018 7:00 AM 0.00 M M M M 0.88 inces rain measured during period 5-16 to today, but only reported as a ccumulated anount today.
5/26/2018 7:00 AM 0.00 M M M M
5/27/2018 7:00 AM 0.00 M M M M
5/28/2018 7:00 AM 0.00 M M M M
5/29/2018 7:00 AM 0.05 M M M M
5/30/2018 7:00 AM 0.00 M M M M
5/31/2018 7:00 AM 0.00 M M M M
6/1/2018 7:00 AM 0.00 M M M M
6/2/2018 7:00 AM 0.00 M M M M
6/3/2018 7:00 AM 0.00 M M M M
6/4/2018 7:00 AM 0.00 M M M M
6/5/2018 7:00 AM 0.00 M M M M
6/6/2018 7:00 AM 0.00 M M M M
6/7/2018 7:00 AM 0.00 M M M M
6/8/2018 7:00 AM 0.00 M M M M
6/9/2018 7:00 AM 0.00 M M M M
6/10/2018 7:00 AM 0.00 M M M M
6/11/2018 7:00 AM 0.00 M M M M
6/12/2018 7:00 AM 0.00 M M M M
6/14/2018 7:00 AM 0.01 M M M M More than a trace, but slightly less than the 0.01 mark!
6/15/2018 7:00 AM 0.00 M M M M
6/16/2018 7:00 AM T M M M M
6/17/2018 7:00 AM 0.11 M M M M
6/18/2018 7:00 AM 1.05 M M M M
6/19/2018 7:00 AM 0.02 M M M M
6/22/2018 7:00 AM 0.00 M M M M
6/23/2018 7:00 AM T M M M M
6/24/2018 7:00 AM 0.04 M M M M
6/25/2018 7:00 AM 0.05 M M M M
6/26/2018 7:00 AM 0.00 M M M M
6/27/2018 7:00 AM 0.00 M M M M
6/28/2018 7:00 AM 0.05 M M M M
6/29/2018 7:00 AM 0.00 M M M M
7/1/2018 7:00 AM 0.00 M M M M
7/2/2018 7:00 AM 0.00 M M M M
7/4/2018 7:00 AM 0.00 M M M M
7/5/2018 7:00 AM 0.00 M M M M
7/6/2018 7:00 AM 0.03 M M M M
7/7/2018 7:00 AM 0.00 M M M M
7/8/2018 7:00 AM 0.06 M M M M
7/9/2018 7:00 AM 0.27 M M M M
7/10/2018 7:00 AM 0.00 M M M M
7/11/2018 7:00 AM 0.00 M M M M
7/12/2018 7:00 AM 0.00 M M M M
7/13/2018 7:00 AM 0.73 M M M M
7/14/2018 7:00 AM 0.10 M M M M
7/15/2018 7:00 AM 0.00 M M M M
7/22/2018 7:00 AM T M M M M
7/23/2018 7:00 AM 0.04 M M M M
7/24/2018 7:00 AM 0.39 M M M M
7/25/2018 7:00 AM 0.00 M M M M
7/26/2018 7:00 AM 0.12 M M M M
7/27/2018 7:00 AM 0.00 M M M M
7/28/2018 7:00 AM 0.01 M M M M
7/29/2018 7:00 AM 0.01 M M M M
7/30/2018 7:00 AM 0.00 M M M M
7/31/2018 7:00 AM 0.00 M M M M
8/1/2018 7:00 AM 0.00 M M M M
8/2/2018 7:00 AM 0.00 M M M M
8/3/2018 7:00 AM T M M M M
8/4/2018 7:00 AM 0.03 M M M M
8/5/2018 7:00 AM 0.01 M M M M
8/6/2018 7:00 AM 0.02 M M M M
8/7/2018 7:00 AM 0.00 M M M M
8/8/2018 7:00 AM 0.00 M M M M
8/9/2018 7:00 AM 0.00 M M M M
8/10/2018 7:00 AM 0.00 M M M M
8/11/2018 7:00 AM 0.00 M M M M
8/12/2018 7:00 AM 0.00 M M M M
8/13/2018 7:00 AM 0.00 M M M M
8/15/2018 7:00 AM 0.14 M M M M
8/16/2018 7:00 AM 0.00 M M M M
8/18/2018 7:00 AM 0.02 M M M M
8/19/2018 7:00 AM 0.11 M M M M
8/20/2018 7:00 AM 0.01 M M M M
8/21/2018 7:00 AM 0.04 M M M M
8/22/2018 7:00 AM 0.05 M M M M
8/23/2018 7:00 AM 0.04 M M M M
8/24/2018 7:00 AM 0.00 M M M M
8/25/2018 7:00 AM 0.00 M M M M
8/27/2018 7:00 AM 0.02 M M M M
8/28/2018 7:00 AM 0.00 M M M M
8/29/2018 7:00 AM 0.01 M M M M
8/30/2018 7:00 AM 0.00 M M M M
8/31/2018 7:00 AM 0.00 M M M M
9/1/2018 7:00 AM T M M M M
9/2/2018 7:00 AM 0.10 M M M M
9/3/2018 7:00 AM 0.00 M M M M
9/4/2018 7:00 AM 0.02 M M M M
9/5/2018 7:00 AM T M M M M
9/6/2018 7:00 AM 0.01 M M M M
9/7/2018 7:00 AM T M M M M
9/8/2018 7:00 AM 0.00 M M M M
9/9/2018 7:00 AM T M M M M
9/10/2018 7:00 AM 0.01 M M M M
9/11/2018 7:00 AM 0.00 M M M M
9/12/2018 7:00 AM 0.00 M M M M Mid-afternoon, thunder claps and a few drops of rain, lasting for seversl minutes. No accumulation in rsin gauge.
9/13/2018 7:00 AM 0.00 M M M M
9/14/2018 7:00 AM 0.00 M M M M
9/15/2018 7:00 AM 0.00 M M M M
9/16/2018 7:00 AM 0.00 M M M M
9/17/2018 7:00 AM 0.00 M M M M
9/18/2018 7:00 AM 0.00 M M M M
9/19/2018 7:00 AM 0.00 M M M M
9/20/2018 7:00 AM 0.05 M M M M
9/21/2018 7:00 AM 0.00 M M M M
9/22/2018 7:00 AM 0.00 M M M M
9/23/2018 7:00 AM 0.00 M M M M
9/24/2018 7:00 AM T M M M M
9/25/2018 7:00 AM 0.03 M M M M
9/26/2018 7:00 AM 0.00 M M M M
9/27/2018 7:00 AM 0.00 M M M M
9/28/2018 7:00 AM 0.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/17/2018 5/24/2018 7:00 AM 8 0.88 M M
7/16/2018 7/21/2018 3:00 PM 6 0.39 M M
9/30/2018 10/01/2018 7:00 AM 2 0.00 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