Station Overview Station Location
Station Number CO-BO-8 Latitude 39.9925
Station Name Lafayette 0.4 WSW Longitude -105.1057
County Boulder Elevation (ft) 5285



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 1.12 1.22 31 1.22 31 0.00 0 0 7 2 6.7 3 3
Nov 12 0.95 0.57 30 0.57 30 0.00 0 0 1 1 2.8 1 3
Dec 12 0.70 0.29 31 0.29 31 0.00 0 0 4 3 5.6 4 11
Jan 13 0.49 0.20 31 0.20 31 0.00 0 0 2 5 3.7 2 10
Feb 13 0.47 0.90 28 0.90 28 0.00 0 0 7 2 13.0 8 10
March 13 1.56 1.60 31 1.60 31 0.00 0 0 7 4 20.2 7 14
April 13 2.01 2.86 30 2.86 30 0.00 0 0 11 2 32.5 8 10
May 13 2.25 2.17 31 2.17 31 0.00 0 0 10 2 8.1 2 2
June 13 1.88 0.60 30 0.60 30 0.00 0 0 3 8 0.0 0 0
July 13 1.54 1.46 31 1.46 31 0.00 0 0 11 5 0.0 0 0
Aug 13 1.65 0.39 31 0.39 31 0.00 0 0 8 6 0.0 0 0
Sept 13 1.40 8.42 30 8.42 30 0.00 0 0 11 5 0.0 0 0
Water Year Totals: 16.02" 20.68" 365 days 20.68" 365 0.00" 0 days 0 82 days 45 days 92.6" 35 days 63 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 0.11
10/2/2012 0.01
10/3/2012 0.00
10/4/2012 0.00
10/5/2012 T
10/6/2012 0.02
10/7/2012 T
10/8/2012 0.00
10/9/2012 0.00
10/10/2012 0.00
10/11/2012 0.00
10/12/2012 0.00
10/13/2012 0.07
10/14/2012 0.13
10/15/2012 0.00
10/16/2012 0.00
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.00
10/20/2012 0.00
10/21/2012 0.00
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.00
10/25/2012 0.69
10/26/2012 0.19
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 0.00
10/30/2012 0.00
10/31/2012 0.00
11/1/2012 0.00
11/2/2012 0.00
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012 0.00
11/9/2012 0.00
11/10/2012 0.00
11/11/2012 0.57
11/12/2012 0.00
11/13/2012 0.00
11/14/2012 0.00
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012 0.00
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 0.00
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 T
11/28/2012 0.00
11/29/2012 0.00
11/30/2012 0.00
12/1/2012 0.00
12/2/2012 0.00
12/3/2012 0.00
12/4/2012 0.00
12/5/2012 0.00
12/6/2012 0.00
12/7/2012 T
12/8/2012 0.00
12/9/2012 0.00
12/10/2012 0.00
12/11/2012 0.04
12/12/2012 0.00
12/13/2012 0.00
12/14/2012 0.00
12/15/2012 0.00
12/16/2012 0.00
12/17/2012 0.00
12/18/2012 0.00
12/19/2012 0.03
12/20/2012 0.03
12/21/2012 0.00
12/22/2012 0.00
12/23/2012 0.00
12/24/2012 0.00
12/25/2012 0.19
12/26/2012 0.00
12/27/2012 T
12/28/2012 T
12/29/2012 0.00
12/30/2012 0.00
12/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2013 T
1/2/2013 0.00
1/3/2013 0.00
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.00
1/7/2013 0.00
1/8/2013 0.00
1/9/2013 0.00
1/10/2013 0.00
1/11/2013 0.00
1/12/2013 T
1/13/2013 T
1/14/2013 T
1/15/2013 T
1/16/2013 0.00
1/17/2013 0.00
1/18/2013 0.00
1/19/2013 0.00
1/20/2013 0.00
1/21/2013 0.00
1/22/2013 0.00
1/23/2013 0.00
1/24/2013 0.00
1/25/2013 0.00
1/26/2013 0.00
1/27/2013 0.01
1/28/2013 0.00
1/29/2013 0.19
1/30/2013 0.00
1/31/2013 0.00
2/1/2013 0.00
2/2/2013 0.00
2/3/2013 0.00
2/4/2013 0.00
2/5/2013 0.00
2/6/2013 0.00
2/7/2013 T
2/8/2013 0.00
2/9/2013 0.00
2/10/2013 0.02
2/11/2013 T
2/12/2013 0.00
2/13/2013 0.00
2/14/2013 0.00
2/15/2013 0.02
2/16/2013 0.00
2/17/2013 0.00
2/18/2013 0.00
2/19/2013 0.00
2/20/2013 0.00
2/21/2013 0.27
2/22/2013 0.05
2/23/2013 0.00
2/24/2013 0.07
2/25/2013 0.43
2/26/2013 0.00
2/27/2013 0.04
2/28/2013 0.00
3/1/2013 0.00
3/2/2013 0.00
3/3/2013 0.00
3/4/2013 0.00
3/5/2013 0.14
3/6/2013 0.00
3/7/2013 0.00
3/8/2013 0.00
3/9/2013 0.12
3/10/2013 0.25
3/11/2013 0.00
3/12/2013 0.28
3/13/2013 T
3/14/2013 0.00
3/15/2013 0.00
3/16/2013 0.00
3/17/2013 0.00
3/18/2013 0.00
3/19/2013 0.00
3/20/2013 0.00
3/21/2013 0.00
3/22/2013 0.02
3/23/2013 0.53
3/24/2013 0.26
3/25/2013 T
3/26/2013 T
3/27/2013 0.00
3/28/2013 0.00
3/29/2013 T
3/30/2013 0.00
3/31/2013 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2013 0.00
4/2/2013 0.05
4/3/2013 0.41
4/4/2013 0.00
4/5/2013 0.00
4/6/2013 0.00
4/7/2013 0.00
4/8/2013 0.00
4/9/2013 0.11
4/10/2013 0.07
4/11/2013 T
4/12/2013 T
4/13/2013 0.00
4/14/2013 0.29
4/15/2013 0.16
4/16/2013 0.92
4/17/2013 0.05
4/18/2013 0.20
4/19/2013 0.00
4/20/2013 0.00
4/21/2013 0.00
4/22/2013 0.00
4/23/2013 0.58
4/24/2013 0.02
4/25/2013 0.00
4/26/2013 0.00
4/27/2013 0.00
4/28/2013 0.00
4/29/2013 0.00
4/30/2013 0.00
5/1/2013 0.32
5/2/2013 0.54
5/3/2013 0.00
5/4/2013 0.00
5/5/2013 0.00
5/6/2013 0.00
5/7/2013 0.00
5/8/2013 0.15
5/9/2013 0.37
5/10/2013 0.16
5/11/2013 0.03
5/12/2013 T
5/13/2013 0.00
5/14/2013 0.00
5/15/2013 0.00
5/16/2013 0.05
5/17/2013 T
5/18/2013 0.00
5/19/2013 0.00
5/20/2013 0.00
5/21/2013 0.00
5/22/2013 0.00
5/23/2013 0.02
5/24/2013 0.00
5/25/2013 0.00
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 0.00
5/29/2013 0.02
5/30/2013 0.51
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 0.11
6/6/2013 T
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 T
6/15/2013 0.00
6/16/2013 T
6/17/2013 T
6/18/2013 T
6/19/2013 T
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013 T
6/24/2013 0.01
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.00
6/28/2013 0.00
6/29/2013 0.48
6/30/2013 T
Day of YearDaily PrcpMultiday Prcp
7/1/2013 T
7/2/2013 0.01
7/3/2013 0.00
7/4/2013 0.00
7/5/2013 T
7/6/2013 T
7/7/2013 0.00
7/8/2013 0.00
7/9/2013 0.00
7/10/2013 0.00
7/11/2013 0.00
7/12/2013 0.01
7/13/2013 0.17
7/14/2013 0.07
7/15/2013 T
7/16/2013 0.02
7/17/2013 0.00
7/18/2013 0.00
7/19/2013 0.12
7/20/2013 0.00
7/21/2013 T
7/22/2013 0.00
7/23/2013 0.00
7/24/2013 0.00
7/25/2013 0.00
7/26/2013 0.54
7/27/2013 0.00
7/28/2013 0.32
7/29/2013 0.01
7/30/2013 0.02
7/31/2013 0.17
8/1/2013 T
8/2/2013 0.00
8/3/2013 T
8/4/2013 0.21
8/5/2013 0.00
8/6/2013 0.02
8/7/2013 0.02
8/8/2013 0.00
8/9/2013 0.00
8/10/2013 0.00
8/11/2013 0.04
8/12/2013 0.00
8/13/2013 0.04
8/14/2013 T
8/15/2013 0.00
8/16/2013 0.00
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 0.04
8/23/2013 0.01
8/24/2013 0.01
8/25/2013 T
8/26/2013 0.00
8/27/2013 T
8/28/2013 0.00
8/29/2013 0.00
8/30/2013 0.00
8/31/2013 0.00
9/1/2013 T
9/2/2013 0.00
9/3/2013 0.00
9/4/2013 0.03
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.00
9/9/2013 T
9/10/2013 0.84
9/11/2013 0.58
9/12/2013 3.40
9/13/2013 0.86
9/14/2013 0.07
9/15/2013 0.42
9/16/2013 1.21
9/17/2013 T
9/18/2013 0.00
9/19/2013 T
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 0.00
9/23/2013 0.75
9/24/2013 0.01
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 T
9/28/2013 0.25
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:00 AM 0.11 0.0 M 0.0 M brisk N wind am, RW-- ca 1500, TRW-/brf RW 1735-1810 .09", RW- 0445-0525 .02"
10/2/2012 7:00 AM 0.01 0.0 M 0.0 M a passing shower just after 0700
10/3/2012 7:00 AM 0.00 0.0 M 0.0 M
10/4/2012 7:00 AM 0.00 0.0 M 0.0 M
10/5/2012 7:00 AM T 0.1 M T M first light snow of season
10/6/2012 7:00 AM 0.02 0.0 M 0.0 M light rain/drizzle mid-eve .01", light rain before dawn .01"
10/7/2012 7:00 AM T T M 0.0 M some very light snow showers mid-day
10/8/2012 7:00 AM 0.00 0.0 M 0.0 M
10/9/2012 7:00 AM 0.00 0.0 M 0.0 M
10/10/2012 7:00 AM 0.00 0.0 M 0.0 M clouded up by ca 0830, then ovc all day; pm temps mid-40s
10/11/2012 7:00 AM 0.00 0.0 M 0.0 M
10/12/2012 7:00 AM 0.00 0.0 M 0.0 M
10/13/2012 7:00 AM 0.07 0.0 M 0.0 M RW-- early aftn T, TRW- late aftn .02", RW- near midnight .05"
10/14/2012 7:00 AM 0.13 0.0 M 0.0 M L- pre-dawn T, RW- mid-day .12", RWU ca 23L .01"
10/15/2012 7:00 AM 0.00 0.0 M 0.0 M
10/16/2012 7:00 AM 0.00 0.0 M 0.0 M
10/17/2012 7:00 AM 0.00 0.0 M 0.0 M
10/18/2012 7:00 AM 0.00 0.0 M 0.0 M quite windy until about midnight
10/19/2012 7:00 AM 0.00 0.0 M 0.0 M mid-day wind
10/20/2012 7:00 AM 0.00 0.0 M 0.0 M
10/21/2012 7:00 AM 0.00 0.0 M 0.0 M
10/22/2012 7:00 AM 0.00 0.0 M 0.0 M
10/23/2012 7:00 AM 0.00 0.0 M 0.0 M
10/24/2012 7:00 AM 0.00 0.0 M 0.0 M
10/25/2012 5:30 AM 0.69 3.9 M 3.5 M R- 1555 .32" changed to snow around 1900 1.0"/.11" by 2200 SE ca 0700
10/26/2012 7:00 AM 0.19 2.7 M 4.5 M S- B ca 2030, E ca 0200 but for a continued dusting
10/27/2012 7:00 AM 0.00 0.0 M 1.0 M snow depth ranges from bare to a little over 3"
10/28/2012 7:00 AM 0.00 0.0 M T M
10/29/2012 7:00 AM 0.00 0.0 M T M
10/30/2012 7:00 AM 0.00 0.0 M 0.0 M
10/31/2012 7:00 AM 0.00 0.0 M 0.0 M
11/1/2012 7:00 AM 0.00 0.0 M 0.0 M
11/2/2012 7:00 AM 0.00 0.0 M 0.0 M
11/3/2012 7:00 AM 0.00 0.0 M 0.0 M
11/4/2012 7:00 AM 0.00 0.0 M 0.0 M
11/5/2012 7:00 AM 0.00 0.0 M 0.0 M
11/6/2012 7:00 AM 0.00 0.0 M 0.0 M
11/7/2012 7:00 AM 0.00 0.0 M 0.0 M
11/8/2012 7:00 AM 0.00 0.0 M 0.0 M
11/9/2012 7:00 AM 0.00 0.0 M 0.0 M
11/10/2012 7:00 AM 0.00 0.0 M 0.0 M
11/11/2012 7:00 AM 0.57 2.8 M 3.0 M R-- B ca 0930, R-S- ca 1030; SP/SGW until around noon, then S-/S-- through aftn/eve
11/12/2012 7:00 AM 0.00 0.0 M 2.0 M
11/13/2012 7:00 AM 0.00 0.0 M 0.5 M
11/14/2012 7:00 AM 0.00 0.0 M T M
11/15/2012 7:00 AM 0.00 0.0 M T M
11/16/2012 7:00 AM 0.00 0.0 M T M
11/17/2012 7:00 AM 0.00 0.0 M T M
11/18/2012 7:00 AM 0.00 0.0 M T M
11/19/2012 7:00 AM 0.00 0.0 M T M
11/20/2012 7:00 AM 0.00 0.0 M 0.0 M
11/21/2012 7:00 AM 0.00 0.0 M 0.0 M
11/22/2012 7:00 AM 0.00 0.0 M 0.0 M
11/23/2012 7:00 AM 0.00 0.0 M 0.0 M
11/24/2012 7:00 AM 0.00 0.0 M 0.0 M
11/25/2012 7:00 AM 0.00 0.0 M 0.0 M
11/26/2012 7:00 AM 0.00 0.0 M 0.0 M
11/27/2012 7:00 AM T 0.0 M 0.0 M Mon daily max temp at midnight - 34F. Ovc and near steady temps until evening, with some a.m. drizzle.
11/28/2012 7:00 AM 0.00 0.0 M 0.0 M
11/29/2012 7:00 AM 0.00 0.0 M 0.0 M
11/30/2012 7:00 AM 0.00 0.0 M 0.0 M
12/1/2012 7:00 AM 0.00 0.0 M 0.0 M
12/2/2012 7:00 AM 0.00 0.0 M 0.0 M
12/3/2012 7:00 AM 0.00 0.0 M 0.0 M
12/4/2012 7:00 AM 0.00 0.0 M 0.0 M
12/5/2012 7:00 AM 0.00 0.0 M 0.0 M
12/6/2012 7:00 AM 0.00 0.0 M 0.0 M
12/7/2012 7:00 AM T 0.0 M 0.0 M a few sprinkles mid-morning
12/8/2012 7:00 AM 0.00 0.0 M 0.0 M
12/9/2012 7:00 AM 0.00 0.0 M 0.0 M
12/10/2012 7:00 AM 0.00 0.0 M 0.0 M
12/11/2012 7:00 AM 0.04 0.7 M 0.5 M ~1/2" at 0110; still a very few flakes at 0220. Mostly clear by 0430.
12/12/2012 7:00 AM 0.00 0.0 M T M
12/13/2012 7:00 AM 0.00 0.0 M T M
12/14/2012 7:00 AM 0.00 0.0 M T M
12/15/2012 7:00 AM 0.00 0.0 M 0.0 M
12/16/2012 7:00 AM 0.00 0.0 M 0.0 M
12/17/2012 7:00 AM 0.00 0.0 M 0.0 M
12/18/2012 7:00 AM 0.00 0.0 M 0.0 M
12/19/2012 7:00 AM 0.03 0.8 M 1.0 M snow began around 0430
12/20/2012 7:00 AM 0.03 0.3 M 1.0 M SE ca 0900; 1.1" total
12/21/2012 7:00 AM 0.00 0.0 M 0.5 M
12/22/2012 7:00 AM 0.00 0.0 M T M
12/23/2012 7:00 AM 0.00 0.0 M T M
12/24/2012 7:00 AM 0.00 0.0 M T M
12/25/2012 7:00 AM 0.19 3.8 M 4.0 M S-- B 1830; 1.5"/.10" 2245; SE by around 0600
12/26/2012 7:00 AM 0.00 0.0 M 3.5 M
12/27/2012 7:00 AM T T M 2.5 M light snow grain shower around 2030
12/28/2012 7:00 AM T T M 2.5 M a very few flakes around 1900
12/29/2012 7:00 AM 0.00 0.0 M 2.0 M
12/30/2012 7:00 AM 0.00 0.0 M 2.0 M
12/31/2012 7:00 AM 0.00 0.0 M 1.5 M
1/1/2013 7:00 AM T T M 1.5 M very light snow late morning - early aftn
1/2/2013 7:00 AM 0.00 0.0 M 1.5 M
1/3/2013 7:00 AM 0.00 0.0 M 1.0 M
1/4/2013 7:00 AM 0.00 0.0 M 1.0 M
1/5/2013 7:00 AM 0.00 0.0 M 0.5 M
1/6/2013 7:00 AM 0.00 0.0 M 0.5 M
1/7/2013 7:00 AM 0.00 0.0 M 0.5 M
1/8/2013 7:00 AM 0.00 0.0 M T M
1/9/2013 7:00 AM 0.00 0.0 M T M
1/10/2013 7:00 AM 0.00 0.0 M T M
1/11/2013 7:00 AM 0.00 0.0 M T M
1/12/2013 7:00 AM T T M T M SW-- ca 10L & 05L
1/13/2013 7:00 AM T T M T M SW-- until early aftn
1/14/2013 7:00 AM T 0.1 M T M Light to very light snow began ca 0400. Speaking of light, some nice light pillars observed around 0530 from security lights at nearby HS.
1/15/2013 7:00 AM T T M T M a few flakes early, then cleared
1/16/2013 7:00 AM 0.00 0.0 M T M
1/17/2013 7:00 AM 0.00 0.0 M T M
1/18/2013 7:00 AM 0.00 0.0 M T M
1/19/2013 7:00 AM 0.00 0.0 M T M
1/20/2013 7:00 AM 0.00 0.0 M T M
1/21/2013 7:00 AM 0.00 0.0 M T M
1/22/2013 7:00 AM 0.00 0.0 M T M
1/23/2013 7:00 AM 0.00 0.0 M T M
1/24/2013 7:00 AM 0.00 0.0 M 0.0 M only remaining spots of snow are from shoveled piles
1/25/2013 7:00 AM 0.00 0.0 M 0.0 M
1/26/2013 7:00 AM 0.00 0.0 M 0.0 M
1/27/2013 7:00 AM 0.01 0.0 M 0.0 M R- 2000-2130; moon dimly visible by 2200
1/28/2013 7:00 AM 0.00 0.0 M 0.0 M
1/29/2013 7:00 AM 0.19 3.6 M 3.5 M SPW- 1440, then S-/SW- until early am. 2.3"/.15" 2145; +1.3"/.04" 0530. Moon visible by 0430, though still snowing then.
1/30/2013 7:00 AM 0.00 0.0 M 3.0 M
1/31/2013 7:00 AM 0.00 0.0 M 1.5 M
2/1/2013 7:00 AM 0.00 0.0 M 0.5 M
2/2/2013 7:00 AM 0.00 0.0 M T M
2/3/2013 7:00 AM 0.00 0.0 M T M
2/4/2013 7:00 AM 0.00 0.0 M T 0.00
2/5/2013 7:00 AM 0.00 0.0 M T M
2/6/2013 7:00 AM 0.00 0.0 M T M
2/7/2013 7:00 AM T T M T M RW- 1645-2000, SWU ca 0200 (timing of latter from radar)
2/8/2013 7:00 AM 0.00 0.0 M T M
2/9/2013 7:00 AM 0.00 0.0 M T M
2/10/2013 7:00 AM 0.02 0.8 M 0.5 M sunny until 12L, then S- 1350-ca1600 0.1/.01"; S- 1955-2045 0.7/.01
2/11/2013 7:00 AM T 0.1 M T M SWU shortly after midnight, based on radar
2/12/2013 7:00 AM 0.00 0.0 M T M
2/13/2013 7:00 AM 0.00 0.0 M T M
2/14/2013 7:00 AM 0.00 0.0 M T M
2/15/2013 7:00 AM 0.02 0.5 M T M S- early afternoon
2/16/2013 7:00 AM 0.00 0.0 T M M
2/17/2013 7:00 AM 0.00 0.0 M T M
2/18/2013 7:00 AM 0.00 0.0 M 0.0 M
2/19/2013 7:00 AM 0.00 0.0 M 0.0 M
2/20/2013 7:00 AM 0.00 0.0 M 0.0 M
2/21/2013 5:30 AM 0.27 3.5 M 3.5 M S- 1540ff ~2" at 1830; 2.7"/.21" 2130; +0.8"/.06" 0530
2/22/2013 7:00 AM 0.05 0.5 M 4.0 M snow ended late morning, with a fair amount of sun early afternoon, then cloudy and light snow again late aftn/early eve
2/23/2013 7:00 AM 0.00 0.0 M 2.5 M
2/24/2013 7:00 AM 0.07 1.6 M 3.5 M snow began ca 2130. ~1" by 0400
2/25/2013 7:00 AM 0.43 5.5 M 8.0 M snow ended around 1600 w/5.3"/.42", then more S- 1830-2030 0.2"/.01"
2/26/2013 7:00 AM 0.00 0.0 M 6.5 M after a clear day, became ovc ca 00L
2/27/2013 7:00 AM 0.04 0.5 M 5.5 M SW- a.m.
2/28/2013 7:00 AM 0.00 0.0 M 5.0 M
3/1/2013 7:00 AM 0.00 0.0 M 4.5 M
3/2/2013 7:00 AM 0.00 0.0 M 3.5 M
3/3/2013 7:00 AM 0.00 0.0 M 1.5 M
3/4/2013 7:00 AM 0.00 0.0 M T M
3/5/2013 7:00 AM 0.14 3.7 M 3.5 M quick snowfall followed by clearing
3/6/2013 7:00 AM 0.00 0.0 M T M
3/7/2013 7:00 AM 0.00 0.0 M T M
3/8/2013 7:00 AM 0.00 0.0 M T M
3/9/2013 7:00 AM 0.12 1.1 M 1.0 M S- B ca0400, started covering pavement 0630 grainy snow at 0700
3/10/2013 7:00 AM 0.25 2.7 M 3.5 M Breezy w/some blowing snow. Just warm enough to keep snow mostly melted on pavement.
3/11/2013 7:00 AM 0.00 0.0 M 1.0 M
3/12/2013 7:00 AM 0.28 3.0 M 3.0 M
3/13/2013 7:00 AM T T M 1.0 M
3/14/2013 7:00 AM 0.00 0.0 M 0.0 M
3/15/2013 7:00 AM 0.00 0.0 M 0.0 M
3/16/2013 7:00 AM 0.00 0.0 M 0.0 M
3/17/2013 7:00 AM 0.00 0.0 M 0.0 M
3/18/2013 7:00 AM 0.00 0.0 M 0.0 M
3/19/2013 7:00 AM 0.00 0.0 M 0.0 M another windy day & night
3/20/2013 7:00 AM 0.00 0.0 M 0.0 M
3/21/2013 7:00 AM 0.00 0.0 M 0.0 M
3/22/2013 7:00 AM 0.02 0.0 M 0.0 M RW- early aftn
3/23/2013 7:00 AM 0.53 7.2 M 7.0 M Very light snow began mid-aftn (temp 44F), w/little accum (.2" or so), and a lull 6 pm-ish. Picked up again mid eve. ~1" at 21L, meas 2.4"/.14" 2230. Continued over night, w/+4.8"/.39" 07L. 22F at sunrise.
3/24/2013 7:00 AM 0.26 2.4 M 7.5 M Snow tapered off mid-aftn w/sun dimly visible; cleared by mid-eve. Min +1F. Storm total 9.6"/.79"
3/25/2013 7:00 AM T 0.1 M 5.0 M some very light snow showers mid aftn (barely a trace), then another round of light snow late eve
3/26/2013 7:00 AM T T M 3.0 M a few flakes not long after sunrise, then cleared
3/27/2013 7:00 AM 0.00 0.0 M 1.0 M
3/28/2013 7:00 AM 0.00 0.0 M T M
3/29/2013 7:00 AM T 0.0 M 0.0 M RW- early eve
3/30/2013 7:00 AM 0.00 0.0 M 0.0 M
3/31/2013 7:00 AM 0.00 0.0 M 0.0 M
4/1/2013 7:00 AM 0.00 0.0 M 0.0 M
4/2/2013 7:00 AM 0.05 0.0 M 0.0 M two late-eve showers, roughly 2050-2130 & 2215-2315
4/3/2013 7:00 AM 0.41 T M 0.0 M Very light rain started mid-day, with occasional flakes mixed in during aftn. Total .15" as of 1730. Light/mdt rain evening, ended around 00L (+.25"), with a brief shower shown on radar ca 0230 (.01").
4/4/2013 7:00 AM 0.00 0.0 M 0.0 M
4/5/2013 7:00 AM 0.00 0.0 M 0.0 M
4/6/2013 7:00 AM 0.00 0.0 M 0.0 M
4/7/2013 7:00 AM 0.00 0.0 M 0.0 M
4/8/2013 7:00 AM 0.00 0.0 M 0.0 M
4/9/2013 5:30 AM 0.11 2.2 M 2.0 M FROPA 1645, temp dropped from 66 max to 47 by 1730. Brief R- 1940 .01", then S- 1950ff. 1.0" frozen slush/.10" 0230, +1.2"/.05" 0430 temp 19F.
4/10/2013 7:00 AM 0.07 1.9 M 4.0 M S-/SW- all day, with some bright periods. Enough solar energy through the clouds to keep streets clear until after dark, by which time only about 0.2" was left to fall.
4/11/2013 7:00 AM T T M T M SW-- 0845, 1355, 1700
4/12/2013 7:00 AM T 0.0 M 0.0 M RW-- ca 1300 & 1800
4/13/2013 7:00 AM 0.00 0.0 M 0.0 M
4/14/2013 7:00 AM 0.29 0.0 M 0.0 M cleared before sunrise
4/15/2013 7:30 AM 0.16 1.3 M 1.0 M S- B ca0430; 0.3/.04" 0530
4/16/2013 5:30 AM 0.92 16.0 M 14.5 M 9.0"/.55" 1830, +5.8"/.28" 2230, +1.2"/.09" 0530. Little if any accum after 0100 or so.
4/17/2013 5:30 AM 0.05 0.2 M 8.5 M S-- ended around 0800. Ovc all day, with S-/ZL- beginning mid-evening.
4/18/2013 7:00 AM 0.20 3.8 M 11.0 M light snow throughout the day; cleared before dawn
4/19/2013 7:00 AM 0.00 0.0 M 6.0 M
4/20/2013 7:00 AM 0.00 0.0 M 1.0 M some grass patches exposed; spring snow melts fast!
4/21/2013 7:00 AM 0.00 0.0 M 0.0 M
4/22/2013 7:00 AM 0.00 0.0 M 0.0 M
4/23/2013 7:00 AM 0.58 6.7 M 6.5 M FROPA 0940, S- ca1030ff 1.5"/.15" 1200, +2.9"/.22" 2130, +1.8"/.18" 0500, +0.5"/.03" 0700
4/24/2013 7:00 AM 0.02 0.4 M 2.0 M sun dimly visible by 0830, snow tapered off and ended by about 1030, with mo sunny aftn
4/25/2013 7:00 AM 0.00 0.0 M T M a nice melt day
4/26/2013 7:00 AM 0.00 0.0 M 0.0 M
4/27/2013 7:00 AM 0.00 0.0 M 0.0 M
4/28/2013 7:00 AM 0.00 0.0 M 0.0 M
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 0.0 M
5/1/2013 5:30 AM 0.32 0.9 M 0.5 M R- 2045ff, looked like sleet ca 0330, then S- (rather grainy) by 0430
5/2/2013 7:00 AM 0.54 7.2 M 7.0 M Snow tapered off mid-aftn, had a lull with even a bit of sun around 1730, then S- again 1800-2145. Cleared before dawn with min 19F.
5/3/2013 7:00 AM 0.00 0.0 M T M
5/4/2013 7:00 AM 0.00 0.0 M 0.0 M
5/5/2013 7:00 AM 0.00 0.0 M 0.0 M
5/6/2013 7:00 AM 0.00 0.0 M 0.0 M
5/7/2013 7:00 AM 0.00 0.0 M 0.0 M
5/8/2013 7:00 AM 0.15 0.0 M 0.0 M thunder E & S 1700-1800; RW- 1830 through evening; stars visible at 0200
5/9/2013 5:30 AM 0.37 0.0 M 0.0 M brief shower ca 0830, more frequent showers aftn, some eve & through night .30" as of 1800, +.03" 2200, +.04" 0530
5/10/2013 7:00 AM 0.16 0.0 M 0.0 M a couple rounds of TRW-, moving NE to SW
5/11/2013 7:00 AM 0.03 0.0 M 0.0 M RW-- ca 1330, RW- 1800-1820 .02", RWU ca 0300 .01"
5/12/2013 7:00 AM T 0.0 M 0.0 M thunder W ca 1430, RW-- 1435-1450, thunder SW ca 1630
5/13/2013 7:00 AM 0.00 0.0 M 0.0 M
5/14/2013 7:00 AM 0.00 0.0 M 0.0 M
5/15/2013 7:00 AM 0.00 0.0 M 0.0 M
5/16/2013 7:00 AM 0.05 0.0 M 0.0 M TRW-/RW- late aftn/eve, preceded by strong winds
5/17/2013 7:00 AM T 0.0 M 0.0 M RW-- 1530 ("a few large drops"), RW--/- 1810-1835
5/18/2013 7:00 AM 0.00 0.0 M 0.0 M
5/19/2013 7:00 AM 0.00 0.0 M 0.0 M
5/20/2013 7:00 AM 0.00 0.0 M 0.0 M
5/21/2013 7:00 AM 0.00 0.0 M 0.0 M
5/22/2013 7:00 AM 0.00 0.0 M 0.0 M
5/23/2013 7:00 AM 0.02 0.0 M 0.0 M RWU evening
5/24/2013 7:00 AM 0.00 0.0 M 0.0 M
5/25/2013 7:00 AM 0.00 0.0 M 0.0 M
5/26/2013 7:00 AM 0.00 0.0 M 0.0 M
5/27/2013 7:00 AM 0.00 0.0 M 0.0 M
5/28/2013 7:00 AM 0.00 0.0 M 0.0 M
5/29/2013 7:00 AM 0.02 0.0 M 0.0 M RW-- 0440-0455, dampened pavement; TRW- 0630
5/30/2013 7:00 AM 0.51 0.0 M 0.0 M RW-/RW until ca 1000, then gradually cleared. .22" in <15 min 0830, +.17" next 40 min
5/31/2013 7:00 AM 0.00 0.0 M 0.0 M
6/1/2013 7:00 AM 0.00 0.0 M 0.0 M
6/2/2013 7:00 AM 0.00 0.0 M 0.0 M
6/3/2013 7:00 AM 0.00 0.0 M 0.0 M
6/4/2013 7:00 AM 0.00 0.0 M 0.0 M
6/5/2013 7:00 AM 0.11 0.0 M 0.0 M RW--/RW- 1705ff. About three showers yielded a trace. Nice rainbow ca 1750. Thunder W ca 2100, then RW- until 2310 or so.
6/6/2013 7:00 AM T 0.0 M 0.0 M L- until ca 0800; ovc rest of day
6/7/2013 7:00 AM 0.00 0.0 M 0.0 M
6/8/2013 7:00 AM 0.00 0.0 M 0.0 M
6/9/2013 7:00 AM 0.00 0.0 M 0.0 M
6/10/2013 7:00 AM 0.00 0.0 M 0.0 M
6/11/2013 7:00 AM 0.00 0.0 M 0.0 M
6/12/2013 7:00 AM 0.00 0.0 M 0.0 M
6/13/2013 7:00 AM 0.00 0.0 M 0.0 M
6/14/2013 7:00 AM T 0.0 M 0.0 M Thunder mid-aftn, then TRW- 1818-1830. Started with big melted-hail-appearing drops.
6/15/2013 7:00 AM 0.00 0.0 M 0.0 M windy afternoon & evening; cooled off quickly to mid-70s by 7:30 pm.
6/16/2013 7:00 AM T 0.0 M 0.0 M RW- 1615-1625
6/17/2013 7:00 AM T 0.0 M 0.0 M quite gusty before and after a brief shower early afternoon, then calmed
6/18/2013 7:00 AM T 0.0 M 0.0 M
6/19/2013 7:00 AM T 0.0 M 0.0 M a couple of light thundershowers, mid and late evening
6/20/2013 7:00 AM 0.00 0.0 M 0.0 M
6/21/2013 7:00 AM 0.00 0.0 M 0.0 M
6/22/2013 7:00 AM 0.00 0.0 M 0.0 M
6/23/2013 7:00 AM T 0.0 M 0.0 M
6/24/2013 7:00 AM 0.01 0.0 M 0.0 M RW-- 1540, 1725, 1825; TRW- 2055-2110 .01"; thunder continued until 2300, with a few more drops ca 2215
6/25/2013 7:00 AM 0.00 0.0 M 0.0 M
6/26/2013 7:00 AM 0.00 0.0 M 0.0 M
6/27/2013 7:00 AM 0.00 0.0 M 0.0 M
6/28/2013 7:00 AM 0.00 0.0 M 0.0 M
6/29/2013 7:00 AM 0.48 0.0 M 0.0 M after early sun, became ovc from W with thunder ca 18L. RW-- 1845. TRW/+ A 1/4" 2130-2120. Most rain fell in first 20 min.
6/30/2013 7:00 AM T 0.0 M 0.0 M RW-- 1425. Ovc at sunrise w/RW- 0625, 0650
7/1/2013 7:00 AM T 0.0 M 0.0 M RW-- near sunset
7/2/2013 7:00 AM 0.01 0.0 M 0.0 M TRW- 2220
7/3/2013 7:00 AM 0.00 0.0 M 0.0 M
7/4/2013 7:00 AM 0.00 0.0 M 0.0 M
7/5/2013 7:00 AM T 0.0 M 0.0 M RW-- near sunrise
7/6/2013 7:00 AM T 0.0 M 0.0 M a few spits late aftn
7/7/2013 7:00 AM 0.00 0.0 M 0.0 M aftn showers in area, but was not home to observe, if we had any
7/8/2013 7:00 AM 0.00 0.0 M 0.0 M
7/9/2013 7:00 AM 0.00 0.0 M 0.0 M
7/10/2013 7:00 AM 0.00 0.0 M 0.0 M
7/11/2013 7:00 AM 0.00 0.0 M 0.0 M
7/12/2013 7:00 AM 0.01 0.0 M 0.0 M Quite windy late aftn & eve, with thunderstorms eventually approaching from SW. Considerable lightning, with TRW-- roughly 2130-2245.
7/13/2013 7:00 AM 0.17 0.0 M 0.0 M RW- 1530 .04"; TRW 1555-1610 .11"; RW- 1830 T; RW- 2030-2130 .02"
7/14/2013 7:00 AM 0.07 0.0 M 0.0 M RW- 1510-1515 .01"; TRW- 1715-1900 .06"
7/15/2013 7:00 AM T 0.0 M 0.0 M RWU ca 0000
7/16/2013 7:00 AM 0.02 0.0 M 0.0 M cloudy w/TRW- mid-aftn, then cleared evening
7/17/2013 7:00 AM 0.00 0.0 M 0.0 M a nearly svr clr day
7/18/2013 7:00 AM 0.00 0.0 M 0.0 M
7/19/2013 7:00 AM 0.12 0.0 M 0.0 M RW late evening .11"; RWU ca 0300 .01"
7/20/2013 7:00 AM 0.00 0.0 M 0.0 M
7/21/2013 7:00 AM T 0.0 M 0.0 M TRW- with some 1/2" hail in late aftn storm; gust front with a few drops just before 7 pm
7/22/2013 7:00 AM 0.00 0.0 M 0.0 M
7/23/2013 7:00 AM 0.00 0.0 M 0.0 M
7/24/2013 7:00 AM 0.00 0.0 M 0.0 M
7/25/2013 7:00 AM 0.00 0.0 M 0.0 M quite windy mid to late evening, presumably downdrafts from evaporating showers
7/26/2013 7:00 AM 0.54 0.0 M 0.0 M A few drops shortly after 0700. After some sun, TRW early aftn. Heaviest rain and wind around 1420.
7/27/2013 7:00 AM 0.00 0.0 M 0.0 M
7/28/2013 7:00 AM 0.32 0.0 M 0.0 M most rain (.30") in TRW 1940-2015
7/29/2013 7:00 AM 0.01 0.0 M 0.0 M ovc w/L- and ocnl RW- until early aftn, then partial clearing
7/30/2013 7:00 AM 0.02 0.0 M 0.0 M light fog early, mo cldy w/L- and RW- until mid-afternoon, then mostly cleared
7/31/2013 7:00 AM 0.17 0.0 M 0.0 M quick TRW early eve; no wind, some big melted-hail-ish drops in the earlier part of the storm
8/1/2013 7:00 AM T 0.0 M 0.0 M a few drops...
8/2/2013 7:00 AM 0.00 0.0 M 0.0 M
8/3/2013 7:00 AM T 0.0 M 0.0 M a few big drops late aftn
8/4/2013 7:00 AM 0.21 0.0 M 0.0 M a few drops early aftn, then TRW- evening
8/5/2013 7:00 AM 0.00 0.0 M 0.0 M windy evening
8/6/2013 7:00 AM 0.02 0.0 M 0.0 M light shower early eve
8/7/2013 7:00 AM 0.02 0.0 M 0.0 M RW- mid-aftn .01"; RWU over night .01"
8/8/2013 7:00 AM 0.00 0.0 M 0.0 M
8/9/2013 7:00 AM 0.00 0.0 0.00 M M
8/10/2013 7:00 AM 0.00 0.0 M 0.0 M
8/11/2013 7:00 AM 0.04 0.0 M 0.0 M lots of thunder, some ltg W-SW late aftn, followed by short TRW-
8/12/2013 7:00 AM 0.00 0.0 M 0.0 M
8/13/2013 7:00 AM 0.04 0.0 M 0.0 M RW-- early eve; RW- w/thunder off to SW late eve .04"
8/14/2013 7:00 AM T 0.0 M 0.0 M a very few drops mid aftn
8/15/2013 7:00 AM 0.00 0.0 M 0.0 M thunder ca 1615, but no rain
8/16/2013 7:00 AM 0.00 0.0 M 0.0 M light rain showers in area late aftn - within a half mile or less
8/17/2013 7:00 AM 0.00 0.0 M 0.0 M
8/18/2013 7:00 AM 0.00 0.0 M 0.0 M
8/19/2013 7:00 AM T 0.0 M 0.0 M sunny am, mo cldy - ovc pm; 5-min RW- early aftn, brief RW-- late aftn
8/20/2013 7:00 AM 0.00 0.0 M 0.0 M
8/21/2013 7:00 AM 0.00 0.0 M 0.0 M
8/22/2013 7:00 AM 0.04 0.0 M 0.0 M TRW-- late aftn, then RW- for a few minutes
8/23/2013 7:00 AM 0.01 0.0 M 0.0 M late aftn shower
8/24/2013 7:00 AM 0.01 M M M M lots of ltg S-SE around 1800, followed by brief RW- (T). RW- ca 2300 (.01") with ltg W.
8/25/2013 7:00 AM T 0.0 M 0.0 M light showers off & on from early to late aftn; ocnl ltg W until mid-eve
8/26/2013 7:00 AM 0.00 0.0 M 0.0 M cloudy & cooler aftn, with very light showers in area
8/27/2013 7:00 AM T 0.0 M 0.0 M a short shower early eve, and another brief one later on, w/ltg SW-W
8/28/2013 7:00 AM 0.00 0.0 M 0.0 M
8/29/2013 7:00 AM 0.00 0.0 M 0.0 M
8/30/2013 7:00 AM 0.00 0.0 M 0.0 M
8/31/2013 7:00 AM 0.00 0.0 M 0.0 M
9/1/2013 7:00 AM T 0.0 M 0.0 M some very light showers late aftn; ltg/thunder N-NE ca 0330
9/2/2013 7:00 AM 0.00 0.0 M 0.0 M mo cldy & cool - 78F max is a great way to kick off Sep!
9/3/2013 7:00 AM 0.00 0.0 M 0.0 M
9/4/2013 7:00 AM 0.03 0.0 M 0.0 M TRW- mid-evening
9/5/2013 7:00 AM 0.00 0.0 M 0.0 M
9/6/2013 7:00 AM 0.00 0.0 M 0.0 M
9/7/2013 7:00 AM 0.00 0.0 M 0.0 M
9/8/2013 7:00 AM 0.00 0.0 M 0.0 M
9/9/2013 7:00 AM T 0.0 M 0.0 M a few late-aftn drops
9/10/2013 5:30 AM 0.84 0.0 M 0.0 M sunny early, then cldy w/RW-/TRW-/ocnl TRW 1530, 1730-2200; ca 0300
9/11/2013 5:30 AM 0.58 0.0 M 0.0 M .18" mostly morning, a decent shower 1800-1850 (.08"), then a round of showers 2330-0400 or so
9/12/2013 7:20 AM 3.40 0.0 M 0.0 M rain off & on all day, heaviest evening. .28" 1715-1810, +.59" 1925, +1.65" 2250; calendar day total 11th 3.24"
9/13/2013 7:00 AM 0.86 0.0 M 0.0 M R- 0825-1100 (.26"), 1235-ca1300, ca1600ff, with a brief thin sun early aftn. RE by 0330. Calendar day total 12th 1.02"
9/14/2013 7:00 AM 0.07 0.0 M 0.0 M R- mid-am (.06"), then some sun until late aftn, w/thunder SW and then TRW-
9/15/2013 7:00 AM 0.42 0.0 M 0.0 M mo sunny but for a brief aftn shower; thunder NE mid-eve, then R- until after midnight
9/16/2013 5:30 AM 1.21 0.0 M 0.0 M most accum late morning (was not home to observe), with bulk of precip (1.12") by around 1330
9/17/2013 7:00 AM T 0.0 M 0.0 M some drizzle until around 0800, then became sunny by noon
9/18/2013 7:00 AM 0.00 0.0 M 0.0 M
9/19/2013 7:00 AM T 0.0 M 0.0 M thunder early aftn, RW- mid-aftn
9/20/2013 7:00 AM 0.00 0.0 M 0.0 M
9/21/2013 7:00 AM 0.00 0.0 M 0.0 M
9/22/2013 7:00 AM 0.00 0.0 M 0.0 M
9/23/2013 5:30 AM 0.75 0.0 M 0.0 M some thunder beginning near 17L, then a light shower with some close lightning (.03"); R- late evening (ca 2230) through night
9/24/2013 7:00 AM 0.01 0.0 M 0.0 M RE mid-am, followed by clearing, w/sunny aftn
9/25/2013 7:00 AM 0.00 0.0 M 0.0 M
9/26/2013 7:00 AM 0.00 0.0 M 0.0 M
9/27/2013 5:30 AM T 0.0 M 0.0 M a few stray drizzly drips
9/28/2013 7:00 AM 0.25 0.0 M 0.0 M L-/RW- am, R- late aftn-mid-eve
9/29/2013 7:00 AM 0.00 0.0 M 0.0 M
9/30/2013 7:00 AM 0.00 0.0 M 0.0 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
6/28/2013 9:30 PM Had .32" in tipping bucket within 10 min, .43" now after 16 min. Still enough rain that I've not been out to measure in the gauge. 3/8" 1/4" Pea Size Rice Hard|White Ice 8 1min no damage Continuous True After rain Same time as smaller hail 10-20
7/20/2013 4:14 PM Impressive hard-, high-base cloud passed overhead with thunder. Sun came out, then hail & rain started. Rain fell for 11 min, heavier after hail. Hail was candy corn or bullet shaped, with interesting bands of clear and opaque ice. 1/2" Grape 3/8" 1/4" Pea Size Hard|White Ice 3 1min no damage True Before rain Same time as smaller hail vertical