Station Overview Station Location
Station Number CO-BO-118 Latitude 40.1832
Station Name Longmont 2.9 WNW Longitude -105.1516
County Boulder Elevation (ft) 5098



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 15 0.98 1.82 31 1.82 31 0.00 0 0 7 5 0.0 0 0
Nov 15 0.79 1.22 4 1.22 4 0.00 0 0 3 0 1.5 1 1
Dec 15 0.56 0.40 3 0.40 3 0.00 0 0 1 1 8.0 1 1
Jan 16 0.35 0.00 11 0.00 5 0.00 6 1 0 2 0.0 0 0
Feb 16 0.46 0.00 0 0.00 0 0.00 0 0 0 0 10.5 1 1
March 16 1.48 0.00 1 0.00 1 0.00 0 0 0 0 6.5 1 0
April 16 1.79 1.01 4 1.01 4 0.00 0 0 4 0 0.0 0 0
May 16 2.33 0.85 8 0.85 8 0.00 0 0 6 0 0.0 0 0
June 16 1.74 0.46 9 0.46 9 0.00 0 0 4 5 0.0 0 0
July 16 1.26 0.09 3 0.09 3 0.00 0 0 2 1 0.0 0 0
Aug 16 1.38 0.32 7 0.32 7 0.00 0 0 4 1 0.0 0 0
Sept 16 1.32 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 14.44" 6.17" 81 days 6.17" 75 0.00" 6 days 1 31 days 15 days 26.5" 4 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
10/1/2015 0.00
10/2/2015 0.00
10/3/2015 0.07
10/4/2015 0.49
10/5/2015 T
10/6/2015 0.00
10/7/2015 0.03
10/8/2015 0.00
10/9/2015 0.00
10/10/2015 0.00
10/11/2015 0.00
10/12/2015 0.00
10/13/2015 0.00
10/14/2015 0.00
10/15/2015 0.00
10/16/2015 0.00
10/17/2015 0.00
10/18/2015 0.00
10/19/2015 0.00
10/20/2015 T
10/21/2015 0.47
10/22/2015 0.17
10/23/2015 0.58
10/24/2015 T
10/25/2015 0.00
10/26/2015 0.00
10/27/2015 T
10/28/2015 0.00
10/29/2015 0.00
10/30/2015 T
10/31/2015 0.01
11/1/2015
11/2/2015
11/3/2015
11/4/2015
11/5/2015 0.53
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015 0.45
11/12/2015 0.00
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015 0.24
11/18/2015
11/19/2015
11/20/2015
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015
11/30/2015
12/1/2015
12/2/2015
12/3/2015
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015 T
12/13/2015
12/14/2015
12/15/2015 0.40
12/16/2015
12/17/2015
12/18/2015
12/19/2015
12/20/2015 0.00
12/21/2015
12/22/2015
12/23/2015
12/24/2015
12/25/2015
12/26/2015
12/27/2015
12/28/2015
12/29/2015
12/30/2015
12/31/2015
Day of YearDaily PrcpMultiday Prcp
1/1/2016 **
1/2/2016 **
1/3/2016 **
1/4/2016 **
1/5/2016 **
1/6/2016 0.00
1/7/2016 0.00
1/8/2016
1/9/2016
1/10/2016
1/11/2016
1/12/2016
1/13/2016
1/14/2016
1/15/2016
1/16/2016 T
1/17/2016 0.00
1/18/2016
1/19/2016 T
1/20/2016 0.00
1/21/2016
1/22/2016
1/23/2016
1/24/2016
1/25/2016
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016 M
2/3/2016
2/4/2016
2/5/2016
2/6/2016
2/7/2016
2/8/2016
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016
3/15/2016 0.00
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016 M
3/24/2016
3/25/2016
3/26/2016
3/27/2016
3/28/2016
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016
4/10/2016
4/11/2016 0.03
4/12/2016
4/13/2016
4/14/2016
4/15/2016
4/16/2016 0.30
4/17/2016
4/18/2016
4/19/2016
4/20/2016
4/21/2016
4/22/2016
4/23/2016
4/24/2016
4/25/2016
4/26/2016
4/27/2016
4/28/2016
4/29/2016 0.13
4/30/2016 0.55
5/1/2016
5/2/2016
5/3/2016
5/4/2016
5/5/2016
5/6/2016
5/7/2016
5/8/2016
5/9/2016
5/10/2016
5/11/2016
5/12/2016
5/13/2016
5/14/2016 0.06
5/15/2016
5/16/2016
5/17/2016 0.49
5/18/2016 0.03
5/19/2016
5/20/2016
5/21/2016
5/22/2016
5/23/2016
5/24/2016
5/25/2016
5/26/2016
5/27/2016 0.13
5/28/2016 0.00
5/29/2016 0.00
5/30/2016 0.08
5/31/2016 0.06
6/1/2016 0.41
6/2/2016
6/3/2016
6/4/2016
6/5/2016
6/6/2016
6/7/2016
6/8/2016
6/9/2016
6/10/2016 T
6/11/2016
6/12/2016
6/13/2016 0.02
6/14/2016 0.01
6/15/2016
6/16/2016
6/17/2016
6/18/2016
6/19/2016
6/20/2016
6/21/2016
6/22/2016 T
6/23/2016 T
6/24/2016 0.02
6/25/2016 T
6/26/2016
6/27/2016
6/28/2016 T
6/29/2016
6/30/2016
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.07
7/2/2016
7/3/2016
7/4/2016
7/5/2016 T
7/6/2016
7/7/2016
7/8/2016
7/9/2016
7/10/2016
7/11/2016
7/12/2016
7/13/2016
7/14/2016
7/15/2016
7/16/2016
7/17/2016
7/18/2016
7/19/2016 0.02
7/20/2016
7/21/2016
7/22/2016
7/23/2016
7/24/2016
7/25/2016
7/26/2016
7/27/2016
7/28/2016
7/29/2016
7/30/2016
7/31/2016
8/1/2016
8/2/2016
8/3/2016
8/4/2016
8/5/2016 0.01
8/6/2016
8/7/2016
8/8/2016
8/9/2016
8/10/2016
8/11/2016 0.09
8/12/2016
8/13/2016
8/14/2016
8/15/2016
8/16/2016
8/17/2016
8/18/2016
8/19/2016 0.15
8/20/2016
8/21/2016 0.00
8/22/2016 0.00
8/23/2016
8/24/2016 T
8/25/2016
8/26/2016 0.07
8/27/2016
8/28/2016
8/29/2016
8/30/2016
8/31/2016
9/1/2016
9/2/2016
9/3/2016
9/4/2016
9/5/2016
9/6/2016
9/7/2016
9/8/2016
9/9/2016
9/10/2016
9/11/2016
9/12/2016
9/13/2016
9/14/2016
9/15/2016
9/16/2016
9/17/2016
9/18/2016
9/19/2016
9/20/2016
9/21/2016
9/22/2016
9/23/2016
9/24/2016
9/25/2016
9/26/2016
9/27/2016
9/28/2016
9/29/2016
9/30/2016



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 7:00 AM 0.00 0.0 M M M
10/2/2015 7:00 AM 0.00 0.0 M M M
10/3/2015 7:00 AM 0.07 M M M M
10/4/2015 7:00 AM 0.49 M M M M
10/5/2015 7:00 AM T M M M M
10/6/2015 7:00 AM 0.00 0.0 M M M
10/7/2015 7:00 AM 0.03 M M M M
10/8/2015 7:00 AM 0.00 0.0 M M M
10/9/2015 7:00 AM 0.00 0.0 M M M
10/10/2015 7:00 AM 0.00 0.0 M M M
10/11/2015 7:00 AM 0.00 0.0 M M M
10/12/2015 7:00 AM 0.00 0.0 M M M
10/13/2015 7:00 AM 0.00 0.0 M M M
10/14/2015 7:00 AM 0.00 0.0 M M M
10/15/2015 7:00 AM 0.00 0.0 M M M
10/16/2015 7:00 AM 0.00 0.0 M M M
10/17/2015 7:00 AM 0.00 0.0 M M M
10/18/2015 7:00 AM 0.00 0.0 M M M
10/19/2015 7:00 AM 0.00 0.0 M M M
10/20/2015 7:00 AM T M M M M
10/21/2015 7:00 AM 0.47 M M M M
10/22/2015 7:00 AM 0.17 M M M M
10/23/2015 7:00 AM 0.58 M M M M
10/24/2015 7:00 AM T M M M M
10/25/2015 7:00 AM 0.00 0.0 M M M
10/26/2015 7:00 AM 0.00 0.0 M M M
10/27/2015 7:00 AM T M M M M
10/28/2015 7:00 AM 0.00 0.0 M M M
10/29/2015 7:00 AM 0.00 0.0 M M M
10/30/2015 7:00 AM T M M M M
10/31/2015 7:00 AM 0.01 M M M M
11/5/2015 7:00 AM 0.53 M M M M
11/11/2015 7:00 AM 0.45 1.5 M 1.5 M Liquid amount is from wet snow that melted into the rain gauge. Snow depth is approximate.
11/12/2015 7:00 AM 0.00 0.0 M M M
11/17/2015 7:00 AM 0.24 T M M M
12/12/2015 7:00 AM T T M M M Just started snowing a little before 7am.
12/15/2015 7:00 AM 0.40 8.0 M 8.0 M Liquid equivalent estimated based on nearby observations and the fact that we have a bit more snow than some others. I did not take a core. 8" is accurate, though.
12/20/2015 7:00 AM 0.00 0.0 M M M
1/7/2016 7:00 AM 0.00 0.0 M M M
1/16/2016 7:00 AM T T M M M
1/17/2016 7:00 AM 0.00 0.0 M M M
1/19/2016 7:00 AM T T M M M Slick roads. Looks like there might have been some FZDZ.
1/20/2016 7:00 AM 0.00 0.0 M M M
2/2/2016 7:00 AM M 10.5 M 11.5 M
3/15/2016 7:00 AM 0.00 0.0 M M M
3/23/2016 8:00 AM M 6.5 M M M
4/11/2016 7:00 AM 0.03 M M M M
4/16/2016 7:00 AM 0.30 M M M M
4/29/2016 7:00 AM 0.13 T M M M
4/30/2016 7:00 AM 0.55 T M M M
5/14/2016 7:00 AM 0.06 M M M M Drizzle at 7am
5/17/2016 7:00 AM 0.49 M M M M
5/18/2016 7:00 AM 0.03 M M M M
5/27/2016 7:00 AM 0.13 M M M M
5/28/2016 7:00 AM 0.00 0.0 M M M
5/29/2016 7:00 AM 0.00 0.0 M M M
5/30/2016 7:00 AM 0.08 M M M M
5/31/2016 7:00 AM 0.06 M M M M
6/1/2016 7:00 AM 0.41 M M M M
6/10/2016 7:00 AM T M M M M Lots of nasty lightning, but very little rain. Double rainbow for a while - nice.
6/13/2016 7:00 AM 0.02 M M M M
6/14/2016 7:00 AM 0.01 M M M M
6/22/2016 7:00 AM T M M M M
6/23/2016 7:00 AM T M M M M
6/24/2016 7:00 AM 0.02 M M M M
6/25/2016 7:00 AM T M M M M
6/28/2016 7:00 AM T M M M M Nasty lightning to the north about 5-10 miles. Just some intermittent showers and some very large raindrops at times here.
7/1/2016 7:00 AM 0.07 M M M M
7/5/2016 7:00 AM T M M M M Some nasty lightning around 9-9:15pm
7/19/2016 7:00 AM 0.02 M M M M
8/5/2016 7:00 AM 0.01 M M M M
8/11/2016 7:00 AM 0.09 M M M M
8/19/2016 7:00 AM 0.15 M M M M All between 10pm and midnight.
8/21/2016 7:00 AM 0.00 0.0 M M M
8/22/2016 7:00 AM 0.00 0.0 M M M
8/24/2016 7:00 AM T M M M M
8/26/2016 7:00 AM 0.07 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
1/1/2016 1/06/2016 7:00 AM 6 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