Station Overview Station Location
Station Number CO-BO-352 Latitude 40.1848
Station Name Longmont 1.8 ENE Longitude -105.082
County Boulder Elevation (ft) 5060



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 12 0.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 12 0.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 12 0.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 13 0.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 13 0.44 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 13 1.49 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 1.89 0.39 6 0.39 6 0.00 0 0 2 0 5.6 2 3
May 13 2.30 2.30 26 2.30 26 0.00 0 0 11 2 7.1 2 3
June 13 1.69 0.07 29 0.07 26 0.00 3 0 3 2 0.0 0 0
July 13 1.30 1.49 29 1.06 15 0.43 14 3 8 1 0.0 0 0
Aug 13 1.30 0.58 31 0.26 19 0.32 12 3 7 7 0.0 0 0
Sept 13 1.35 9.57 30 9.57 30 0.00 0 0 15 2 0.0 0 0
Water Year Totals: 14.45" 14.40" 151 days 13.65" 122 0.75" 29 days 6 46 days 14 days 12.7" 4 days 6 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012
10/30/2012
10/31/2012
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012
11/14/2012
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012
12/4/2012
12/5/2012
12/6/2012
12/7/2012
12/8/2012
12/9/2012
12/10/2012
12/11/2012
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012
12/18/2012
12/19/2012
12/20/2012
12/21/2012
12/22/2012
12/23/2012
12/24/2012
12/25/2012
12/26/2012
12/27/2012
12/28/2012
12/29/2012
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013
1/13/2013
1/14/2013
1/15/2013
1/16/2013
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013
1/27/2013
1/28/2013
1/29/2013
1/30/2013
1/31/2013
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013
2/10/2013
2/11/2013
2/12/2013
2/13/2013
2/14/2013
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013
2/21/2013
2/22/2013
2/23/2013
2/24/2013
2/25/2013
2/26/2013
2/27/2013
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013 0.37
4/24/2013 0.02
4/25/2013 0.00
4/26/2013 0.00
4/27/2013
4/28/2013
4/29/2013 0.00
4/30/2013 0.00
5/1/2013 0.38
5/2/2013 0.42
5/3/2013 0.00
5/4/2013
5/5/2013 0.00
5/6/2013 0.02
5/7/2013 0.00
5/8/2013 0.19
5/9/2013 0.30
5/10/2013 0.27
5/11/2013
5/12/2013 0.01
5/13/2013 0.00
5/14/2013 0.00
5/15/2013 0.00
5/16/2013 T
5/17/2013 0.00
5/18/2013
5/19/2013
5/20/2013 0.02
5/21/2013 T
5/22/2013 0.00
5/23/2013 0.13
5/24/2013 0.00
5/25/2013
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 0.00
5/29/2013 0.02
5/30/2013 0.54
5/31/2013 0.00
6/1/2013 0.00
6/2/2013 0.00
6/3/2013 0.00
6/4/2013 0.00
6/5/2013 0.04
6/6/2013 0.00
6/7/2013 0.00
6/8/2013 0.00
6/9/2013 0.00
6/10/2013 0.00
6/11/2013 0.00
6/12/2013 0.00
6/13/2013 0.00
6/14/2013 0.02
6/15/2013 0.00
6/16/2013 0.00
6/17/2013 0.01
6/18/2013 0.00
6/19/2013 T
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013
6/24/2013 T
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.00
6/28/2013 **
6/29/2013 **
6/30/2013 **
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.18
7/2/2013 **
7/3/2013 **
7/4/2013 **
7/5/2013 **
7/6/2013 **
7/7/2013 **
7/8/2013 0.07
7/9/2013 0.04
7/10/2013 0.00
7/11/2013 0.00
7/12/2013 0.01
7/13/2013 0.34
7/14/2013 0.28
7/15/2013 0.02
7/16/2013 0.03
7/17/2013
7/18/2013 0.00
7/19/2013 0.25
7/20/2013 0.00
7/21/2013 T
7/22/2013 0.00
7/23/2013
7/24/2013 **
7/25/2013 **
7/26/2013 **
7/27/2013 **
7/28/2013 **
7/29/2013 0.18
7/30/2013 0.09
7/31/2013 0.00
8/1/2013 0.02
8/2/2013 **
8/3/2013 **
8/4/2013 **
8/5/2013 0.31
8/6/2013 0.04
8/7/2013 T
8/8/2013 0.00
8/9/2013 0.02
8/10/2013 **
8/11/2013 **
8/12/2013 0.00
8/13/2013 0.06
8/14/2013 T
8/15/2013 0.01
8/16/2013 T
8/17/2013 0.00
8/18/2013 0.00
8/19/2013 T
8/20/2013 0.00
8/21/2013 0.00
8/22/2013 T
8/23/2013 0.10
8/24/2013 T
8/25/2013 0.01
8/26/2013
8/27/2013 T **
8/28/2013 **
8/29/2013 **
8/30/2013 **
8/31/2013 0.01
9/1/2013 0.61
9/2/2013 0.00
9/3/2013 0.00
9/4/2013 T
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.00
9/9/2013 0.00
9/10/2013 2.07
9/11/2013 0.38
9/12/2013 2.54
9/13/2013 0.78
9/14/2013 0.04
9/15/2013 0.01
9/16/2013 2.04
9/17/2013 0.06
9/18/2013 0.02
9/19/2013 0.24
9/20/2013 0.01
9/21/2013 0.00
9/22/2013 0.00
9/23/2013 0.58
9/24/2013 0.02
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 T
9/28/2013 0.17
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/23/2013 7:00 AM 0.37 5.5 M 4.0 0.25
4/24/2013 7:00 AM 0.02 0.1 M 2.5 M
4/25/2013 7:00 AM 0.00 0.0 M 0.3 0.02
4/26/2013 7:00 AM 0.00 0.0 M 0.0 0.00
4/29/2013 7:00 AM 0.00 0.0 M 0.0 M
4/30/2013 7:00 AM 0.00 0.0 M M M
5/1/2013 7:00 AM 0.38 3.7 M 3.7 M .25 fell as rain last night.
5/2/2013 7:00 AM 0.42 3.4 M 6.8 0.80 Storm snow total on the ground 7.1 inches
5/3/2013 7:00 AM 0.00 0.0 M 0.7 0.10 Pretty rapid melt of snow yesterday.
5/5/2013 7:00 AM 0.00 0.0 M M M
5/6/2013 7:00 AM 0.02 M M M M
5/7/2013 7:00 AM 0.00 0.0 M M M
5/8/2013 7:00 AM 0.19 M M M M
5/9/2013 7:00 AM 0.30 M M M M
5/10/2013 7:00 AM 0.27 M M M M
5/12/2013 7:00 AM 0.01 M M M M
5/13/2013 7:00 AM 0.00 0.0 M M M
5/14/2013 7:00 AM 0.00 0.0 M M M
5/15/2013 7:00 AM 0.00 0.0 M M M
5/16/2013 7:00 AM T M M M M
5/17/2013 7:00 AM 0.00 0.0 M M M
5/20/2013 7:00 AM 0.02 M M M M
5/21/2013 7:00 AM T M M M M
5/22/2013 7:00 AM 0.00 0.0 M M M
5/23/2013 7:00 AM 0.13 M M M M
5/24/2013 7:00 AM 0.00 0.0 M M M
5/26/2013 7:00 AM 0.00 0.0 M M M
5/27/2013 7:00 AM 0.00 0.0 M M M
5/28/2013 7:00 AM 0.00 0.0 M M M
5/29/2013 7:00 AM 0.02 M M M M
5/30/2013 7:00 AM 0.54 M M M M
5/31/2013 7:00 AM 0.00 0.0 M M M
6/1/2013 7:00 AM 0.00 0.0 M M M
6/2/2013 7:00 AM 0.00 0.0 M M M
6/3/2013 7:00 AM 0.00 0.0 M M M
6/4/2013 7:00 AM 0.00 0.0 M M M
6/5/2013 7:00 AM 0.04 M M M M
6/6/2013 7:00 AM 0.00 0.0 M M M
6/7/2013 7:00 AM 0.00 0.0 M M M
6/8/2013 7:00 AM 0.00 0.0 M M M
6/9/2013 7:00 AM 0.00 0.0 M M M
6/10/2013 7:00 AM 0.00 0.0 M M M
6/11/2013 7:00 AM 0.00 0.0 M M M
6/12/2013 7:00 AM 0.00 0.0 M M M
6/13/2013 7:00 AM 0.00 0.0 M M M
6/14/2013 7:00 AM 0.02 M M M M
6/15/2013 7:00 AM 0.00 0.0 M M M
6/16/2013 7:00 AM 0.00 0.0 M M M
6/17/2013 7:00 AM 0.01 M M M M
6/18/2013 7:00 AM 0.00 0.0 M M M
6/19/2013 7:00 AM T M M M M
6/20/2013 7:00 AM 0.00 0.0 M M M
6/21/2013 7:00 AM 0.00 0.0 M M M
6/22/2013 7:00 AM 0.00 0.0 M M M
6/24/2013 7:00 AM T M M M M
6/25/2013 7:00 AM 0.00 0.0 M M M
6/26/2013 7:00 AM 0.00 0.0 M M M
6/27/2013 7:00 AM 0.00 0.0 M M M
7/9/2013 7:00 AM 0.04 M M M M
7/10/2013 7:00 AM 0.00 0.0 M M M
7/11/2013 7:00 AM 0.00 0.0 M M M
7/12/2013 7:00 AM 0.01 M M M M
7/13/2013 7:00 AM 0.34 M M M M Most of this fell in a very heavy, tropically humid blast in the mid-afternoon.
7/14/2013 7:00 AM 0.28 M M M M
7/15/2013 7:00 AM 0.02 M M M M
7/16/2013 7:00 AM 0.03 M M M M
7/18/2013 7:00 AM 0.00 0.0 M M M
7/19/2013 7:00 AM 0.25 M M M M
7/20/2013 7:00 AM 0.00 0.0 M M M
7/21/2013 7:00 AM T M M M M
7/22/2013 7:00 AM 0.00 0.0 M M M
7/30/2013 7:00 AM 0.09 M M M M
7/31/2013 7:00 AM 0.00 0.0 M M M
8/1/2013 7:00 AM 0.02 M M M M
8/6/2013 7:00 AM 0.04 M M M M
8/7/2013 7:00 AM T M M M M
8/8/2013 7:00 AM 0.00 0.0 M M M
8/9/2013 7:00 AM 0.02 M M M M
8/13/2013 7:00 AM 0.06 M M M M
8/14/2013 7:00 AM T M M M M
8/15/2013 7:00 AM 0.01 M M M M
8/16/2013 7:00 AM T M M M M
8/17/2013 7:00 AM 0.00 0.0 M M M
8/18/2013 7:00 AM 0.00 0.0 M M M
8/19/2013 7:00 AM T M M M M
8/20/2013 7:00 AM 0.00 0.0 M M M
8/21/2013 7:00 AM 0.00 0.0 M M M
8/22/2013 7:00 AM T M M M M
8/23/2013 7:00 AM 0.10 M M M M
8/24/2013 7:00 AM T M M M M
8/25/2013 7:00 AM 0.01 M M M M
8/27/2013 7:00 AM T M M M M
9/1/2013 7:00 AM 0.61 M M M M
9/2/2013 7:00 AM 0.00 0.0 M M M
9/3/2013 7:00 AM 0.00 0.0 M M M
9/4/2013 7:00 AM T M M M M
9/5/2013 7:00 AM 0.00 0.0 M M M
9/6/2013 7:00 AM 0.00 0.0 M M M
9/7/2013 7:00 AM 0.00 0.0 M M M
9/8/2013 7:00 AM 0.00 0.0 M M M
9/9/2013 7:00 AM 0.00 0.0 M M M
9/10/2013 7:00 AM 2.07 M M M M outstanding 1.18 inches of rain in about 40 minutes after 3pm with pea sized hail for a few minutes.
9/11/2013 7:00 AM 0.38 M M M M
9/12/2013 7:00 AM 2.54 M M M M
9/13/2013 7:00 AM 0.78 M M M M
9/14/2013 7:00 AM 0.04 M M M M
9/15/2013 7:00 AM 0.01 M M M M
9/16/2013 7:00 AM 2.04 M M M M
9/17/2013 7:00 AM 0.06 0.0 M M M
9/18/2013 7:00 AM 0.02 M M M M
9/19/2013 7:00 AM 0.24 M M M M
9/20/2013 7:00 AM 0.01 M M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 0.00 0.0 M M M
9/23/2013 7:00 AM 0.58 M M M M
9/24/2013 7:00 AM 0.02 M M M M
9/25/2013 7:00 AM 0.00 0.0 M M M
9/26/2013 7:00 AM 0.00 0.0 M M M
9/27/2013 7:00 AM T M M M M
9/28/2013 7:00 AM 0.17 M M M M
9/29/2013 7:00 AM 0.00 0.0 M M M
9/30/2013 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
6/28/2013 7/01/2013 7:00 AM 4 0.18 M M Just under quarter sized hail reported by neighbors Friday evening 6/28/2013.
7/2/2013 7/08/2013 7:00 AM 7 0.07 M M It did rain the afternoon of 7/7 - was camping all week before.
7/24/2013 7/29/2013 7:00 AM 6 0.18 M M
8/2/2013 8/05/2013 7:00 AM 4 0.31 M M
8/10/2013 8/12/2013 3:00 PM 3 0.00 M M The storms in the area really missed us each time - including at 2pm today.
8/27/2013 8/31/2013 7:00 AM 5 0.01 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
5/9/2013 1:12 PM Rice Rice Rice White Ice 6 1min no damage Continuous True After rain
9/9/2013 3:20 PM 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Soft 5 3min minor leaf damage False Same time as rain