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 13 0.98 1.06 22 1.06 22 0.00 0 0 8 0 1.0 1 1
Nov 13 0.79 0.00 5 0.00 5 0.00 0 0 0 1 0.0 0 0
Dec 13 0.56 0.00 1 0.00 1 0.00 0 0 0 0 4.0 1 1
Jan 14 0.35 0.00 0 0.00 0 0.00 0 0 0 0 5.7 1 1
Feb 14 0.46 0.00 1 0.00 1 0.00 0 0 0 0 0.0 0 0
March 14 1.48 0.65 5 0.65 5 0.00 0 0 2 0 0.0 0 0
April 14 1.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 14 2.33 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 14 1.74 0.66 10 0.66 10 0.00 0 0 6 0 0.0 0 0
July 14 1.26 2.53 8 2.53 8 0.00 0 0 7 0 0.0 0 0
Aug 14 1.38 1.25 13 1.25 13 0.00 0 0 8 1 0.0 0 0
Sept 14 1.32 1.16 9 1.16 9 0.00 0 0 6 0 0.0 0 0
Water Year Totals: 14.44" 7.31" 74 days 7.31" 74 0.00" 0 days 0 37 days 2 days 10.7" 3 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
10/1/2013 0.00
10/2/2013 0.00
10/3/2013 0.00
10/4/2013 0.52
10/5/2013 0.01
10/6/2013 0.00
10/7/2013 0.00
10/8/2013 0.00
10/9/2013
10/10/2013 0.00
10/11/2013 0.02
10/12/2013 0.00
10/13/2013
10/14/2013 0.01
10/15/2013 0.01
10/16/2013 0.00
10/17/2013 0.00
10/18/2013 0.23
10/19/2013 0.00
10/20/2013 0.00
10/21/2013
10/22/2013
10/23/2013
10/24/2013
10/25/2013
10/26/2013
10/27/2013
10/28/2013 0.00
10/29/2013 0.08
10/30/2013 0.18
10/31/2013 0.00
11/1/2013 0.00
11/2/2013 0.00
11/3/2013
11/4/2013 T
11/5/2013 0.00
11/6/2013
11/7/2013
11/8/2013
11/9/2013
11/10/2013
11/11/2013
11/12/2013
11/13/2013
11/14/2013
11/15/2013
11/16/2013
11/17/2013
11/18/2013
11/19/2013
11/20/2013
11/21/2013
11/22/2013
11/23/2013
11/24/2013
11/25/2013
11/26/2013
11/27/2013 0.00
11/28/2013
11/29/2013
11/30/2013
12/1/2013
12/2/2013
12/3/2013
12/4/2013 M
12/5/2013
12/6/2013
12/7/2013
12/8/2013
12/9/2013
12/10/2013
12/11/2013
12/12/2013 0.00
12/13/2013
12/14/2013
12/15/2013
12/16/2013
12/17/2013
12/18/2013
12/19/2013
12/20/2013
12/21/2013
12/22/2013
12/23/2013
12/24/2013
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013
12/30/2013
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014
1/2/2014
1/3/2014
1/4/2014
1/5/2014
1/6/2014
1/7/2014
1/8/2014
1/9/2014
1/10/2014
1/11/2014
1/12/2014
1/13/2014
1/14/2014
1/15/2014
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014
1/24/2014
1/25/2014
1/26/2014
1/27/2014
1/28/2014
1/29/2014
1/30/2014
1/31/2014 M
2/1/2014
2/2/2014
2/3/2014
2/4/2014
2/5/2014
2/6/2014
2/7/2014
2/8/2014
2/9/2014
2/10/2014
2/11/2014
2/12/2014
2/13/2014
2/14/2014
2/15/2014
2/16/2014
2/17/2014
2/18/2014
2/19/2014
2/20/2014
2/21/2014
2/22/2014
2/23/2014
2/24/2014
2/25/2014
2/26/2014
2/27/2014
2/28/2014 0.00
3/1/2014
3/2/2014
3/3/2014
3/4/2014
3/5/2014 0.23
3/6/2014
3/7/2014
3/8/2014 0.42
3/9/2014 0.00
3/10/2014 0.00
3/11/2014 0.00
3/12/2014
3/13/2014
3/14/2014
3/15/2014
3/16/2014
3/17/2014
3/18/2014
3/19/2014
3/20/2014
3/21/2014
3/22/2014
3/23/2014
3/24/2014
3/25/2014
3/26/2014
3/27/2014
3/28/2014
3/29/2014
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014
4/2/2014
4/3/2014
4/4/2014
4/5/2014
4/6/2014
4/7/2014
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014
4/13/2014
4/14/2014
4/15/2014
4/16/2014
4/17/2014
4/18/2014
4/19/2014
4/20/2014
4/21/2014
4/22/2014
4/23/2014
4/24/2014
4/25/2014
4/26/2014
4/27/2014
4/28/2014
4/29/2014
4/30/2014
5/1/2014
5/2/2014
5/3/2014
5/4/2014
5/5/2014
5/6/2014
5/7/2014
5/8/2014
5/9/2014
5/10/2014
5/11/2014
5/12/2014
5/13/2014
5/14/2014
5/15/2014
5/16/2014
5/17/2014
5/18/2014
5/19/2014
5/20/2014
5/21/2014
5/22/2014
5/23/2014
5/24/2014
5/25/2014
5/26/2014
5/27/2014
5/28/2014
5/29/2014
5/30/2014
5/31/2014
6/1/2014
6/2/2014
6/3/2014
6/4/2014
6/5/2014
6/6/2014
6/7/2014
6/8/2014
6/9/2014 0.20
6/10/2014 0.00
6/11/2014 0.01
6/12/2014 0.13
6/13/2014
6/14/2014 0.00
6/15/2014 0.08
6/16/2014
6/17/2014 0.00
6/18/2014 0.00
6/19/2014 0.06
6/20/2014
6/21/2014
6/22/2014
6/23/2014 0.18
6/24/2014
6/25/2014
6/26/2014
6/27/2014
6/28/2014
6/29/2014
6/30/2014
Day of YearDaily PrcpMultiday Prcp
7/1/2014
7/2/2014
7/3/2014
7/4/2014
7/5/2014 0.31
7/6/2014
7/7/2014
7/8/2014 0.08
7/9/2014
7/10/2014
7/11/2014
7/12/2014
7/13/2014
7/14/2014
7/15/2014 0.17
7/16/2014 0.15
7/17/2014 0.38
7/18/2014
7/19/2014
7/20/2014
7/21/2014
7/22/2014
7/23/2014 0.00
7/24/2014
7/25/2014
7/26/2014
7/27/2014
7/28/2014
7/29/2014
7/30/2014 0.88
7/31/2014 0.56
8/1/2014 0.03
8/2/2014
8/3/2014
8/4/2014
8/5/2014
8/6/2014 0.01
8/7/2014
8/8/2014 0.02
8/9/2014
8/10/2014
8/11/2014
8/12/2014 0.00
8/13/2014 0.00
8/14/2014 0.00
8/15/2014 0.74
8/16/2014
8/17/2014
8/18/2014
8/19/2014 0.00
8/20/2014 T
8/21/2014
8/22/2014 0.08
8/23/2014
8/24/2014 0.24
8/25/2014
8/26/2014
8/27/2014
8/28/2014
8/29/2014 0.05
8/30/2014 0.08
8/31/2014
9/1/2014
9/2/2014 0.00
9/3/2014 0.00
9/4/2014
9/5/2014 0.28
9/6/2014 0.01
9/7/2014 0.00
9/8/2014
9/9/2014
9/10/2014 0.25
9/11/2014 0.06
9/12/2014 0.12
9/13/2014
9/14/2014
9/15/2014
9/16/2014
9/17/2014
9/18/2014
9/19/2014
9/20/2014
9/21/2014
9/22/2014
9/23/2014
9/24/2014
9/25/2014
9/26/2014
9/27/2014
9/28/2014
9/29/2014
9/30/2014 0.44



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2013 7:00 AM 0.00 0.0 M M M
10/2/2013 7:00 AM 0.00 0.0 M M M
10/3/2013 7:00 AM 0.00 0.0 M M M
10/4/2013 7:00 AM 0.52 T M 0.0 M Big aggregates mixed with rain at 5:15am.
10/5/2013 7:00 AM 0.01 T M M M
10/6/2013 7:00 AM 0.00 0.0 M M M
10/7/2013 7:00 AM 0.00 0.0 M M M
10/8/2013 7:00 AM 0.00 0.0 M M M
10/10/2013 7:00 AM 0.00 0.0 M M M
10/11/2013 7:00 AM 0.02 M M M M
10/12/2013 7:00 AM 0.00 0.0 M M M
10/14/2013 7:00 AM 0.01 M M M M
10/15/2013 7:00 AM 0.01 M M M M
10/16/2013 7:00 AM 0.00 0.0 M M M
10/17/2013 7:00 AM 0.00 0.0 M M M
10/18/2013 7:00 AM 0.23 M M 1.0 M
10/19/2013 7:00 AM 0.00 0.0 M M M
10/20/2013 7:00 AM 0.00 0.0 M M M
10/28/2013 7:00 AM 0.00 0.0 M M M
10/29/2013 7:00 AM 0.08 M M M M Drizzly most of the day
10/30/2013 7:00 AM 0.18 1.0 M M M Snow amount is a rough estimate.
10/31/2013 7:00 AM 0.00 0.0 M M M
11/1/2013 7:00 AM 0.00 0.0 M M M
11/2/2013 7:00 AM 0.00 0.0 M M M
11/4/2013 7:00 AM T M M M M Brief evening shower
11/5/2013 7:00 AM 0.00 0.0 M M M
11/27/2013 7:00 AM 0.00 0.0 M M M
12/4/2013 7:50 AM M 4.0 M 4.0 M
12/12/2013 7:00 AM 0.00 0.0 M M M
1/31/2014 7:00 AM M 5.7 M 5.7 M No core for melting snow.
2/28/2014 7:00 AM 0.00 0.0 M M M
3/5/2014 7:00 AM 0.23 M M M M No snow
3/8/2014 7:00 AM 0.42 T M M M
3/9/2014 7:00 AM 0.00 0.0 M M M
3/10/2014 7:00 AM 0.00 0.0 M M M
3/11/2014 7:00 AM 0.00 0.0 M M M
6/9/2014 7:00 AM 0.20 M M M M
6/10/2014 7:00 AM 0.00 0.0 M M M
6/11/2014 7:00 AM 0.01 M M M M
6/12/2014 7:00 AM 0.13 M M M M
6/14/2014 7:00 AM 0.00 0.0 M M M
6/15/2014 7:00 AM 0.08 M M M M Pea sized hail a couple of times in the late afternoon. Didn't note the time, though... sorry!
6/17/2014 7:00 AM 0.00 0.0 M M M
6/18/2014 7:00 AM 0.00 0.0 M M M
6/19/2014 7:00 AM 0.06 M M M M
6/23/2014 7:00 AM 0.18 M M M M Some pea-sized hail in the early evening, but I didn't note the time. It was mixed with the period of moderate-to-heavy rainfall.
7/5/2014 7:00 AM 0.31 M M M M Some pea sized hail was mixed in during the main rain event, around 21 Z. Just a little bit of rain after 22 Z.
7/8/2014 7:00 AM 0.08 M M M M Only 0.01 as of 10pm. A friend told me that another round of wind-blown showers came through the area around 11:30pm.
7/15/2014 7:00 AM 0.17 M M M M
7/16/2014 7:00 AM 0.15 M M M M Three rounds of thundershowers, many of which seemed to just nick us.
7/17/2014 7:00 AM 0.38 M M M M Round after round, with some brief periods of heavy rain with at least one that was reminiscent of a tropical downpour, plus some prolonged periods of light stratiform rain.
7/23/2014 7:00 AM 0.00 0.0 M M M
7/30/2014 7:00 AM 0.88 M M M M
7/31/2014 7:00 AM 0.56 M M M M
8/1/2014 7:00 AM 0.03 M M M M
8/6/2014 7:00 AM 0.01 M M M M
8/8/2014 7:00 AM 0.02 M M M M
8/12/2014 7:00 AM 0.00 0.0 M M M
8/13/2014 7:00 AM 0.00 0.0 M M M
8/14/2014 7:00 AM 0.00 0.0 M M M
8/15/2014 7:00 AM 0.74 M M M M
8/19/2014 7:00 AM 0.00 0.0 M M M
8/20/2014 7:00 AM T 0.0 M M M A few sprinkles
8/22/2014 7:00 AM 0.08 M M M M
8/24/2014 7:00 AM 0.24 M M M M
8/29/2014 7:00 AM 0.05 M M M M
8/30/2014 7:00 AM 0.08 M M M M
9/2/2014 7:00 AM 0.00 0.0 M M M
9/3/2014 7:00 AM 0.00 0.0 M M M
9/5/2014 7:00 AM 0.28 M M M M
9/6/2014 7:00 AM 0.01 M M M M
9/7/2014 7:00 AM 0.00 0.0 M M M
9/10/2014 7:00 AM 0.25 M M M M
9/11/2014 7:00 AM 0.06 M M M M
9/12/2014 7:00 AM 0.12 M M M M
9/30/2014 7:00 AM 0.44 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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