Station Overview Station Location
Station Number CO-BO-146 Latitude 40.226333
Station Name Lyons 0.3 NNE Longitude -105.266667
County Boulder Elevation (ft) 5399



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 11 1.07 1.37 31 1.37 31 0.00 0 0 4 0 10.3 2 4
Nov 11 0.86 0.47 30 0.47 30 0.00 0 0 2 4 6.2 2 4
Dec 11 0.50 0.97 31 0.97 31 0.00 0 0 7 2 19.0 7 29
Jan 12 0.48 0.37 31 0.37 31 0.00 0 0 3 2 5.5 3 6
Feb 12 0.56 0.72 29 0.72 29 0.00 0 0 6 2 15.6 6 16
March 12 1.57 0.00 31 0.00 31 0.00 0 0 0 4 0.0 0 0
April 12 2.00 0.85 30 0.85 30 0.00 0 0 7 1 0.7 1 0
May 12 2.48 1.73 31 1.73 31 0.00 0 0 9 1 0.0 0 0
June 12 2.26 0.29 30 0.29 30 0.00 0 0 8 4 0.0 0 0
July 12 1.72 2.45 31 2.45 31 0.00 0 0 13 3 0.0 0 0
Aug 12 1.41 0.19 31 0.19 31 0.00 0 0 4 6 0.0 0 0
Sept 12 1.57 1.63 30 1.63 30 0.00 0 0 7 1 0.0 0 0
Water Year Totals: 16.48" 11.04" 366 days 11.04" 366 0.00" 0 days 0 70 days 30 days 57.3" 21 days 59 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
10/1/2011 0.00
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 0.00
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.00
10/9/2011 0.25
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.00
10/18/2011 0.08
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.84
10/27/2011 0.20
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 0.00
10/31/2011 0.00
11/1/2011 0.00
11/2/2011 0.43
11/3/2011 T
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 T
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 T
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.04
11/20/2011 T
11/21/2011 0.00
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.13
12/2/2011 0.08
12/3/2011 0.15
12/4/2011 T
12/5/2011 0.02
12/6/2011 T
12/7/2011 0.00
12/8/2011 0.00
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.00
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 0.00
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 0.02
12/21/2011 0.00
12/22/2011 0.54
12/23/2011 0.03
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 0.00
12/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 0.06
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.09
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.22
1/18/2012 0.00
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.00
1/22/2012 0.00
1/23/2012 0.00
1/24/2012 0.00
1/25/2012 T
1/26/2012 0.00
1/27/2012 0.00
1/28/2012 T
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.27
2/4/2012 0.09
2/5/2012 T
2/6/2012 0.00
2/7/2012 0.09
2/8/2012 T
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.04
2/12/2012 0.00
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.09
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.14
2/24/2012 0.00
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 0.00
3/1/2012 0.00
3/2/2012 T
3/3/2012 0.00
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 T
3/8/2012 T
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012 0.00
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 T
3/20/2012 0.00
3/21/2012 0.00
3/22/2012 0.00
3/23/2012 0.00
3/24/2012 0.00
3/25/2012 0.00
3/26/2012 0.00
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.00
3/30/2012 0.00
3/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.00
4/2/2012 0.00
4/3/2012 0.04
4/4/2012 0.24
4/5/2012 0.00
4/6/2012 T
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.14
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 0.37
4/16/2012 0.00
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.02
4/20/2012 0.00
4/21/2012 0.00
4/22/2012 0.02
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.02
4/28/2012 0.00
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.00
5/3/2012 0.00
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 0.00
5/7/2012 0.55
5/8/2012 0.24
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.17
5/13/2012 0.02
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 T
5/18/2012 0.02
5/19/2012 0.04
5/20/2012 0.18
5/21/2012 0.01
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.50
5/25/2012 0.00
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 0.00
6/1/2012 0.00
6/2/2012 T
6/3/2012 0.08
6/4/2012 0.07
6/5/2012 0.00
6/6/2012 T
6/7/2012 0.02
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 T
6/16/2012 0.00
6/17/2012 0.02
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 T
6/26/2012 0.00
6/27/2012 0.02
6/28/2012 0.03
6/29/2012 0.02
6/30/2012 0.03
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.13
7/4/2012 T
7/5/2012 0.00
7/6/2012 0.05
7/7/2012 0.27
7/8/2012 0.97
7/9/2012 0.29
7/10/2012 0.01
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.00
7/15/2012 0.00
7/16/2012 0.02
7/17/2012 0.07
7/18/2012 0.00
7/19/2012 0.00
7/20/2012 0.00
7/21/2012 0.00
7/22/2012 0.00
7/23/2012 0.01
7/24/2012 T
7/25/2012 0.11
7/26/2012 0.00
7/27/2012 0.00
7/28/2012 0.02
7/29/2012 T
7/30/2012 0.09
7/31/2012 0.41
8/1/2012 0.00
8/2/2012 0.12
8/3/2012 0.01
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 T
8/8/2012 T
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 T
8/12/2012 T
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.01
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.05
8/22/2012 0.00
8/23/2012 T
8/24/2012 T
8/25/2012 0.00
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.00
8/29/2012 0.00
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 T
9/3/2012 0.00
9/4/2012 0.02
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.01
9/8/2012 0.00
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.46
9/13/2012 0.21
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.00
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 0.00
9/26/2012 0.41
9/27/2012 0.51
9/28/2012 0.01
9/29/2012 0.00
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M
10/2/2011 7:00 AM 0.00 0.0 M M M
10/3/2011 7:00 AM 0.00 0.0 M M M
10/4/2011 7:00 AM 0.00 0.0 M M M
10/5/2011 7:00 AM 0.00 0.0 M M M
10/6/2011 7:00 AM 0.00 0.0 M M M
10/7/2011 7:00 AM 0.00 0.0 M M M
10/8/2011 7:00 AM 0.00 0.0 M M M
10/9/2011 7:00 AM 0.25 M M M M
10/10/2011 7:00 AM 0.00 0.0 M M M
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.00 0.0 M M M
10/13/2011 7:00 AM 0.00 0.0 M M M
10/14/2011 7:00 AM 0.00 0.0 M M M
10/15/2011 7:00 AM 0.00 0.0 M M M
10/16/2011 7:00 AM 0.00 0.0 M M M High 81F.
10/17/2011 7:00 AM 0.00 0.0 M M M
10/18/2011 7:00 AM 0.08 M M M M
10/19/2011 7:00 AM 0.00 0.0 M M M
10/20/2011 7:00 AM 0.00 0.0 M M M
10/21/2011 7:00 AM 0.00 0.0 M M M
10/22/2011 7:00 AM 0.00 0.0 M M M
10/23/2011 7:00 AM 0.00 0.0 M M M
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.00 0.0 M M M
10/26/2011 7:00 AM 0.84 9.1 M 7.0 M Rain beginning late afternoon, changing to snow approx 8:10pm,temp 36F. Rainfall total: 0.08". Snow didn't stick at first. 10:30pm noted 1.1" snow and 0.27" water. 2am 4.5" add'l snow and 0.28" add'l water. 7am 3.5" add'l snow and 0.21" water content. Some places in the yard/atop my car measure as deep as 9.3" snow. Trees limbs breaking all night. My yard has big trees so it is barely passable with limbs down. Current temp 29F.
10/27/2011 7:00 AM 0.20 1.2 M 8.0 M
10/28/2011 7:00 AM 0.00 0.0 M 5.0 M
10/29/2011 7:00 AM 0.00 0.0 M 3.0 M
10/30/2011 7:00 AM 0.00 0.0 M T M
10/31/2011 7:00 AM 0.00 0.0 M 0.0 M
11/1/2011 7:00 AM 0.00 0.0 M 0.0 M
11/2/2011 7:00 AM 0.43 5.2 M 5.0 M Rain beginning approx 6:30pm, accumulating 0.09" as rain before changing to snow approx 8:15pm. Winds. 5.2" wet snow with 0.34" water content measured at 7am. Light snowfall continues. Winds stopped sometime overnight. 27F.
11/3/2011 7:00 AM T T M 3.0 M
11/4/2011 7:00 AM 0.00 0.0 M 1.0 M
11/5/2011 7:00 AM 0.00 0.0 M T M
11/6/2011 7:00 AM T M M 0.0 M
11/7/2011 7:00 AM 0.00 0.0 M 0.0 M
11/8/2011 7:00 AM 0.00 0.0 M 0.0 M
11/9/2011 7:00 AM 0.00 0.0 M 0.0 M
11/10/2011 7:00 AM 0.00 0.0 M 0.0 M
11/11/2011 7:00 AM 0.00 0.0 M 0.0 M
11/12/2011 7:00 AM 0.00 0.0 M 0.0 M
11/13/2011 7:00 AM T 0.0 M 0.0 M Extreme winds. High 59F.
11/14/2011 7:00 AM 0.00 0.0 M 0.0 M
11/15/2011 7:00 AM 0.00 0.0 M 0.0 M
11/16/2011 7:00 AM 0.00 0.0 M 0.0 M
11/17/2011 7:00 AM 0.00 0.0 M 0.0 M
11/18/2011 7:00 AM 0.00 0.0 M 0.0 M
11/19/2011 7:00 AM 0.04 1.0 M 1.0 M Snow began sometime overnight, continues falling lightly.
11/20/2011 7:00 AM T T M T M
11/21/2011 7:00 AM 0.00 0.0 M 0.0 M
11/22/2011 7:00 AM 0.00 0.0 M 0.0 M
11/23/2011 7:00 AM 0.00 0.0 M 0.0 M
11/24/2011 7:00 AM 0.00 0.0 M 0.0 M
11/25/2011 7:00 AM 0.00 0.0 M 0.0 M High temp 70F.
11/26/2011 7:00 AM 0.00 0.0 M 0.0 M
11/27/2011 7:00 AM 0.00 0.0 M 0.0 M
11/28/2011 7:00 AM 0.00 0.0 M 0.0 M
11/29/2011 7:00 AM 0.00 0.0 M 0.0 M
11/30/2011 7:00 AM 0.00 0.0 M M M
12/1/2011 7:00 AM 0.13 2.8 M 2.5 M
12/2/2011 7:00 AM 0.08 1.4 M 2.5 M Light snow ending midday. Overnight 9F.
12/3/2011 7:00 AM 0.15 4.2 M 5.0 M Snow beginning rought 9:30pm, continued snowing at obs time. Current and low temp 22F.
12/4/2011 7:00 AM T T M 5.0 M
12/5/2011 7:00 AM 0.02 0.9 M 5.0 M Overnight low 6F. Very light snow continuing.
12/6/2011 7:00 AM T T M 5.0 M
12/7/2011 7:00 AM 0.00 0.0 M 4.5 M
12/8/2011 7:00 AM 0.00 0.0 M 4.0 M
12/9/2011 7:00 AM 0.00 0.0 M 3.5 M
12/10/2011 7:00 AM 0.00 0.0 M 3.0 M
12/11/2011 7:00 AM 0.00 0.0 M 2.5 M
12/12/2011 7:00 AM 0.00 0.0 M 2.5 M
12/13/2011 7:00 AM 0.00 0.0 M 2.0 M
12/14/2011 7:00 AM 0.00 0.0 M 2.0 M
12/15/2011 7:00 AM 0.00 0.0 M 1.5 M
12/16/2011 7:00 AM 0.00 0.0 M 1.5 M
12/17/2011 7:00 AM 0.00 0.0 M 1.0 M
12/18/2011 7:00 AM 0.00 0.0 M 0.5 M
12/19/2011 7:00 AM 0.00 0.0 M 0.5 M Daytime high of 62F.
12/20/2011 7:00 AM 0.02 0.3 M 0.5 M
12/21/2011 7:00 AM 0.00 0.0 M 0.5 M
12/22/2011 7:00 AM 0.54 8.2 M 8.0 M Snow beginning late afternoon (5pm?) with 1.5" by 7pm. Quick 3am reading showed 7.5" snow, but I didn't do a scrape off, so snowfall was probably greater than what I measured at 7am. Snow continues. Light wind and some mild drifting.
12/23/2011 7:00 AM 0.03 1.2 M 8.0 M Snow ending by about noon.
12/24/2011 7:00 AM 0.00 0.0 M 7.0 M
12/25/2011 7:00 AM 0.00 0.0 M 6.0 M
12/26/2011 7:00 AM 0.00 0.0 M 5.0 M
12/27/2011 7:00 AM 0.00 0.0 M 4.0 M Daytime high 47F.
12/28/2011 7:00 AM 0.00 0.0 M 4.0 M
12/29/2011 7:00 AM 0.00 0.0 M M M
12/30/2011 7:00 AM 0.00 0.0 M 1.5 M Daytime high 59. Overnight temps in the 40s.
12/31/2011 7:00 AM 0.00 0.0 M M M
1/1/2012 7:00 AM 0.00 0.0 M T M Moderately strong winds ending by nightfall.
1/2/2012 7:00 AM 0.00 0.0 M T M
1/3/2012 7:00 AM 0.00 0.0 M T M Between 5a-7a temps hovered in the the low 50s. Breezy.
1/4/2012 7:00 AM 0.00 0.0 M T M High 57F. Low 23F.
1/5/2012 7:00 AM 0.00 0.0 M T M
1/6/2012 7:00 AM 0.00 0.0 M T M High in the 60s.
1/7/2012 7:00 AM 0.00 0.0 M M M
1/8/2012 7:00 AM 0.06 0.5 M 0.5 M Light snowfall began approx 2:15pm with temps in the mid 30s. It was slow to begin accumulating.
1/9/2012 7:00 AM 0.00 0.0 M T M
1/10/2012 7:00 AM 0.00 0.0 M T M
1/11/2012 7:00 AM 0.00 0.0 M T M Gusty winds. No snow yet.
1/12/2012 7:00 AM 0.09 1.8 M 1.5 M Snow wasn't that wet: unsure if winds during the day caused an overcatch in gauge. Overnight temperature dipped to 2F, but by 6am 27F with some gentle winds.
1/13/2012 7:00 AM 0.00 0.0 M 0.5 M
1/14/2012 7:00 AM 0.00 0.0 M T M
1/15/2012 7:00 AM 0.00 0.0 M T M High in the mid 50s.
1/16/2012 7:00 AM 0.00 0.0 M T M High temp of 54F.
1/17/2012 7:00 AM 0.22 3.2 M 3.0 M Snow beginning around 4-5pm. Approx 3" accum by 10pm. Overnight low 3F.
1/18/2012 7:00 AM 0.00 0.0 M 2.0 M
1/19/2012 7:00 AM 0.00 0.0 M 1.0 M High winds last night and overnight.
1/20/2012 7:00 AM 0.00 0.0 M T M Strong gusty winds continue.
1/21/2012 7:00 AM 0.00 0.0 M T M
1/22/2012 7:00 AM 0.00 0.0 M 0.0 M
1/23/2012 7:00 AM 0.00 0.0 M 0.0 M
1/24/2012 7:00 AM 0.00 0.0 M 0.0 M
1/25/2012 7:00 AM T T M 0.0 M Snowflakes at 7:50am--unknown how long it snowed but no accum remained at the end of the day
1/26/2012 7:00 AM 0.00 0.0 M 0.0 M
1/27/2012 7:00 AM 0.00 0.0 M 0.0 M
1/28/2012 7:00 AM T T M 0.0 M
1/29/2012 7:00 AM 0.00 0.0 M 0.0 M
1/30/2012 7:00 AM 0.00 0.0 M M M
1/31/2012 7:00 AM 0.00 0.0 M 0.0 M
2/1/2012 7:00 AM 0.00 0.0 M 0.0 M
2/2/2012 7:00 AM 0.00 0.0 M 0.0 M
2/3/2012 7:00 AM 0.27 7.5 M 7.5 M Snow overnight and some winds. Difficult to measure snow accurately due to drifting.
2/4/2012 7:00 AM 0.09 1.2 M 9.0 M Light snowfall throughout the day but with temperatures in the mid 30s there was no measurable, new accumulation until after nightfall. 1.2" new snow overnight.
2/5/2012 7:00 AM T T M 8.0 M A few flurries ending early. Later clearing and mid 30s.
2/6/2012 7:00 AM 0.00 0.0 M 7.0 M
2/7/2012 7:00 AM 0.09 2.7 M 8.0 M
2/8/2012 7:00 AM T T M 8.0 M
2/9/2012 7:00 AM 0.00 0.0 M 7.0 M
2/10/2012 7:00 AM 0.00 0.0 M 4.0 M
2/11/2012 7:00 AM 0.04 1.9 M 6.0 M
2/12/2012 7:00 AM 0.00 0.0 M 6.0 M
2/13/2012 7:00 AM 0.00 0.0 M 5.0 M
2/14/2012 7:00 AM 0.00 0.0 M 3.0 M
2/15/2012 7:00 AM 0.00 0.0 M 3.0 M
2/16/2012 7:00 AM 0.00 0.0 M M M
2/17/2012 7:00 AM 0.00 0.0 M M M
2/18/2012 7:00 AM 0.00 0.0 M M M
2/19/2012 7:00 AM 0.00 0.0 M M M
2/20/2012 7:00 AM 0.09 1.8 M 5.0 M Snow overnight.
2/21/2012 7:00 AM 0.00 0.0 M 1.0 M
2/22/2012 7:00 AM 0.00 0.0 M T M High winds and temps in the mid 40s overnight.
2/23/2012 7:00 AM 0.14 0.5 M 0.5 M Strong winds and high of 65F. Snow overnight. Found ice in bottom of gauge -- perhaps precip started as rain? Low/current temp 28F.
2/24/2012 7:00 AM 0.00 0.0 M T M
2/25/2012 7:00 AM 0.00 0.0 M T M
2/26/2012 7:00 AM 0.00 0.0 M T M
2/27/2012 7:00 AM 0.00 0.0 M 0.0 M
2/28/2012 7:00 AM 0.00 0.0 M 0.0 M
2/29/2012 7:00 AM 0.00 0.0 M 0.0 M
3/1/2012 7:00 AM 0.00 0.0 M 0.0 M
3/2/2012 7:00 AM T T M 0.0 M Trace amount of snow sometime between roughly 7 and 8pm.
3/3/2012 7:00 AM 0.00 0.0 M 0.0 M
3/4/2012 7:00 AM 0.00 0.0 M 0.0 M
3/5/2012 7:00 AM 0.00 0.0 M 0.0 M
3/6/2012 7:00 AM 0.00 0.0 M 0.0 M
3/7/2012 7:00 AM T M M T M Freezing rain overnight.
3/8/2012 7:00 AM T T M T M
3/9/2012 7:00 AM 0.00 0.0 M 0.0 M
3/10/2012 7:00 AM 0.00 0.0 M 0.0 M
3/11/2012 7:00 AM 0.00 0.0 M 0.0 M
3/12/2012 7:00 AM 0.00 0.0 M M M Overcast and deliciously humid in the morning. Clearing throughout the day. Overnight low 40F.
3/13/2012 7:00 AM 0.00 0.0 M 0.0 M
3/14/2012 7:00 AM 0.00 0.0 M M M
3/15/2012 7:00 AM 0.00 0.0 M M 0.00
3/16/2012 7:00 AM 0.00 0.0 M 0.0 M
3/17/2012 7:00 AM 0.00 0.0 M 0.0 M
3/18/2012 7:00 AM 0.00 0.0 M 0.0 M
3/19/2012 7:00 AM T M M 0.0 M Noted very dirty, dried raindrop marks on windshield of car.
3/20/2012 7:00 AM 0.00 0.0 M 0.0 M
3/21/2012 7:00 AM 0.00 0.0 M 0.0 M
3/22/2012 7:00 AM 0.00 0.0 M 0.0 M
3/23/2012 7:00 AM 0.00 0.0 M 0.0 M
3/24/2012 7:00 AM 0.00 0.0 M 0.0 M
3/25/2012 7:00 AM 0.00 0.0 M 0.0 M
3/26/2012 7:00 AM 0.00 0.0 M 0.0 M
3/27/2012 7:00 AM 0.00 0.0 M 0.0 M
3/28/2012 7:00 AM 0.00 0.0 M 0.0 M
3/29/2012 7:00 AM 0.00 0.0 M 0.0 M
3/30/2012 7:00 AM 0.00 0.0 M 0.0 M
3/31/2012 7:00 AM 0.00 0.0 M M M
4/1/2012 7:00 AM 0.00 0.0 M 0.0 M
4/2/2012 7:00 AM 0.00 0.0 M 0.0 M
4/3/2012 7:00 AM 0.04 T M T M
4/4/2012 7:00 AM 0.24 0.7 M 0.0 M Snow rain mix. 0.04" by evening. Graupel/snow/rain? in the a.m. with about 0.7" of slushy/corn snow accumulating. (Neighbors reported to me the snow accumulation as it was melted off by later in the day.)
4/5/2012 7:00 AM 0.00 0.0 M 0.0 M
4/6/2012 7:00 AM T M M 0.0 M Strong winds late afternoon and into the night. Very dry.
4/7/2012 7:00 AM 0.00 0.0 M M M
4/8/2012 7:00 AM 0.00 0.0 M 0.0 M
4/9/2012 7:00 AM 0.00 0.0 M 0.0 M
4/10/2012 7:00 AM 0.00 0.0 M 0.0 M
4/11/2012 7:00 AM 0.00 0.0 M 0.0 M
4/12/2012 7:00 AM 0.14 M M M M Thunderstorm at 10:45pm
4/13/2012 7:00 AM 0.00 0.0 M 0.0 M
4/14/2012 7:00 AM 0.00 0.0 M 0.0 M
4/15/2012 7:00 AM 0.37 M M 0.0 M 0.09" by 10pm.
4/16/2012 7:00 AM 0.00 0.0 M 0.0 M
4/17/2012 7:00 AM 0.00 0.0 M 0.0 M
4/18/2012 7:00 AM 0.00 0.0 M 0.0 M
4/19/2012 7:00 AM 0.02 0.0 M 0.0 M Light rain overnight.
4/20/2012 7:00 AM 0.00 0.0 M 0.0 M
4/21/2012 7:00 AM 0.00 0.0 M 0.0 M
4/22/2012 7:00 AM 0.02 0.0 M 0.0 M
4/23/2012 7:00 AM 0.00 0.0 M 0.0 M
4/24/2012 7:00 AM 0.00 0.0 M 0.0 M
4/25/2012 7:00 AM 0.00 0.0 M M 0.00
4/26/2012 7:00 AM 0.00 0.0 M 0.0 M
4/27/2012 7:00 AM 0.02 M M 0.0 M A little bit of rain overnight.
4/28/2012 7:00 AM 0.00 0.0 M 0.0 M
4/29/2012 7:00 AM 0.00 0.0 M 0.0 M
4/30/2012 7:00 AM 0.00 0.0 M 0.0 M
5/1/2012 7:00 AM 0.00 0.0 M 0.0 M
5/2/2012 7:00 AM 0.00 0.0 M M M
5/3/2012 7:00 AM 0.00 0.0 M M M
5/4/2012 7:00 AM 0.00 0.0 M M M
5/5/2012 7:00 AM 0.00 0.0 M M M
5/6/2012 7:00 AM 0.00 0.0 M M M
5/7/2012 7:00 AM 0.55 M M 0.0 M
5/8/2012 7:00 AM 0.24 M M 0.0 M Rain ending midday.
5/9/2012 7:00 AM 0.00 0.0 M M M
5/10/2012 7:00 AM 0.00 0.0 M M M
5/11/2012 7:00 AM 0.00 0.0 M M M
5/12/2012 7:00 AM 0.17 M M M M Most rain before nightfall. 0.02" overnight.
5/13/2012 7:00 AM 0.02 M M M M
5/14/2012 7:00 AM 0.00 0.0 M M M
5/15/2012 7:00 AM 0.00 0.0 M M M
5/16/2012 7:00 AM 0.00 0.0 M M M
5/17/2012 7:00 AM T M M M M
5/18/2012 7:00 AM 0.02 M M M M
5/19/2012 7:00 AM 0.04 M M M M Brief showers with thunder/lightning around 9pm. Little shower again about 3:45am.
5/20/2012 7:00 AM 0.18 M M M M
5/21/2012 7:00 AM 0.01 M M M M
5/22/2012 7:00 AM 0.00 0.0 M M M
5/23/2012 7:00 AM 0.00 0.0 M M M
5/24/2012 7:00 AM 0.50 M M M M Rain afternoon and evening ending by about 10pm.
5/25/2012 7:00 AM 0.00 0.0 M M M
5/26/2012 7:00 AM 0.00 0.0 M M M
5/27/2012 7:00 AM 0.00 0.0 M M M
5/28/2012 7:00 AM 0.00 0.0 M M M
5/29/2012 7:00 AM 0.00 0.0 M M M
5/30/2012 7:00 AM 0.00 0.0 M M M
5/31/2012 7:00 AM 0.00 0.0 M M M
6/1/2012 7:00 AM 0.00 0.0 M M M
6/2/2012 7:00 AM T M M M M
6/3/2012 7:00 AM 0.08 M M M M
6/4/2012 7:00 AM 0.07 M M M M
6/5/2012 7:00 AM 0.00 0.0 M M M
6/6/2012 7:00 AM T M M M M
6/7/2012 7:00 AM 0.02 M M M M Shower in the evening and also at 5:10am.
6/8/2012 7:00 AM 0.00 0.0 M M M
6/9/2012 7:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.00 0.0 M M M High temp 98F. Cool winds in the early morning dropping to the 50s.
6/11/2012 7:00 AM 0.00 0.0 M M M High 80F. Low this morning 43F.
6/12/2012 7:00 AM 0.00 0.0 M M M
6/13/2012 7:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M
6/15/2012 7:00 AM T M M M M Thunder and sprinkles 4:30a until ?
6/16/2012 7:00 AM 0.00 0.0 M M M
6/17/2012 7:00 AM 0.02 M M M M
6/18/2012 7:00 AM 0.00 0.0 M M M
6/19/2012 7:00 AM 0.00 0.0 M M M High 101F. Hot overnight, low 70F. Send rain.
6/20/2012 7:00 AM 0.00 0.0 M M M High 98F. Low 58F. Cooler and overcast this morning.
6/21/2012 7:00 AM 0.00 0.0 M M M High 78F
6/22/2012 7:00 AM 0.00 0.0 M M M
6/23/2012 7:00 AM 0.00 0.0 M M M
6/24/2012 7:00 AM 0.00 0.0 M M M High 101F. Low 62F.
6/25/2012 7:00 AM T M M M M
6/26/2012 7:00 AM 0.00 0.0 M M M
6/27/2012 7:00 AM 0.02 M M M M
6/28/2012 7:00 AM 0.03 M M M M
6/29/2012 7:00 AM 0.02 M M M M
6/30/2012 7:00 AM 0.03 M M M M
7/1/2012 7:00 AM 0.00 0.0 M M M
7/2/2012 7:00 AM 0.00 0.0 M M M High temp 103F
7/3/2012 7:00 AM 0.13 M M M M
7/4/2012 7:00 AM T M M M M
7/5/2012 7:00 AM 0.00 0.0 M M M
7/6/2012 7:00 AM 0.05 M M M M
7/7/2012 7:00 AM 0.27 M M M M
7/8/2012 7:00 AM 0.97 M M M M Rain began 5:35pm. As the storm cell approached quickly from the south the clouds were ominous-- black and greenish. Striking white cloud plume overhead from due east. Heaviest rain began at 5:38pm where about 0.10" fell by 5:42pm. First 15 minutes of storm pretty heavy: 0.25" by 5:50pm. Other increments: 6pm 0.32", 6:15pm 0.35", 6:30pm 0.37", 7pm 0.47", 7:40pm 0.59", 8pm 0.70", 10pm 0.94", 5am 0.97".
7/9/2012 7:00 AM 0.29 M M M M Some traces showers in the afternoon and early evening. Accumulation was overnight.
7/10/2012 7:00 AM 0.01 M M M M
7/11/2012 7:00 AM 0.00 0.0 M M M
7/12/2012 7:00 AM 0.00 0.0 M M M
7/13/2012 7:00 AM 0.00 0.0 M M M
7/14/2012 7:00 AM 0.00 0.0 M M M
7/15/2012 7:00 AM 0.00 0.0 M M M
7/16/2012 7:00 AM 0.02 M M M M
7/17/2012 7:00 AM 0.07 M M M M
7/18/2012 7:00 AM 0.00 0.0 M M M
7/19/2012 7:00 AM 0.00 0.0 M M M
7/20/2012 7:00 AM 0.00 0.0 M M M
7/21/2012 7:00 AM 0.00 0.0 M M M
7/22/2012 7:00 AM 0.00 0.0 M M M
7/23/2012 7:00 AM 0.01 M M M M
7/24/2012 7:00 AM T M M M M
7/25/2012 7:00 AM 0.11 M M M M
7/26/2012 7:00 AM 0.00 0.0 M M M
7/27/2012 7:00 AM 0.00 0.0 M M M
7/28/2012 7:00 AM 0.02 M M M M
7/29/2012 7:00 AM T M M M M
7/30/2012 7:00 AM 0.09 M M M M
7/31/2012 7:00 AM 0.41 M M M M
8/1/2012 7:00 AM 0.00 0.0 M M M
8/2/2012 7:00 AM 0.12 M M M M
8/3/2012 7:00 AM 0.01 M M M M
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 7:00 AM 0.00 0.0 M M M
8/6/2012 7:00 AM 0.00 0.0 M M M
8/7/2012 7:00 AM T M M M M
8/8/2012 7:00 AM T M M M M
8/9/2012 7:00 AM 0.00 0.0 M M M
8/10/2012 7:00 AM 0.00 0.0 M M M
8/11/2012 7:00 AM T M M M M
8/12/2012 7:00 AM T M M M M
8/13/2012 7:00 AM 0.00 0.0 M M M
8/14/2012 7:00 AM 0.00 0.0 M M M
8/15/2012 7:00 AM 0.00 0.0 M M M
8/16/2012 7:00 AM 0.00 0.0 M M M
8/17/2012 7:00 AM 0.00 0.0 M M M
8/18/2012 7:00 AM 0.01 M M M M
8/19/2012 7:00 AM 0.00 0.0 M M M
8/20/2012 7:00 AM 0.00 0.0 M M M
8/21/2012 7:00 AM 0.05 M M M M
8/22/2012 7:00 AM 0.00 0.0 M M M
8/23/2012 7:00 AM T M M M M
8/24/2012 7:00 AM T M M M M
8/25/2012 7:00 AM 0.00 0.0 M M M
8/26/2012 7:00 AM 0.00 0.0 M M M
8/27/2012 7:00 AM 0.00 0.0 M M M
8/28/2012 7:00 AM 0.00 0.0 M M M
8/29/2012 7:00 AM 0.00 0.0 M M M
8/30/2012 7:00 AM 0.00 0.0 M M M
8/31/2012 7:00 AM 0.00 0.0 M M M
9/1/2012 7:00 AM 0.00 0.0 M M M
9/2/2012 7:00 AM T M M M M
9/3/2012 7:00 AM 0.00 0.0 M M M
9/4/2012 7:00 AM 0.02 M M M M
9/5/2012 7:00 AM 0.00 0.0 M M M
9/6/2012 7:00 AM 0.00 0.0 M M M
9/7/2012 7:00 AM 0.01 0.0 M M M Overnight a tiny bit of rain.
9/8/2012 7:00 AM 0.00 0.0 M M M
9/9/2012 7:00 AM 0.00 0.0 M M M
9/10/2012 7:00 AM 0.00 0.0 M M M
9/11/2012 7:00 AM 0.00 0.0 M M M
9/12/2012 6:00 AM 0.46 M M M M
9/13/2012 7:00 AM 0.21 M M M M
9/14/2012 7:00 AM 0.00 0.0 M M M
9/15/2012 7:00 AM 0.00 0.0 M M M
9/16/2012 7:00 AM 0.00 0.0 M M M
9/17/2012 7:00 AM 0.00 0.0 M M M
9/18/2012 7:00 AM 0.00 0.0 M M M
9/19/2012 7:00 AM 0.00 0.0 M M M
9/20/2012 7:00 AM 0.00 0.0 M M M
9/21/2012 7:00 AM 0.00 0.0 M M M
9/22/2012 7:00 AM 0.00 0.0 M M M
9/23/2012 7:00 AM 0.00 0.0 M M M
9/24/2012 7:00 AM 0.00 0.0 M M M
9/25/2012 7:00 AM 0.00 0.0 M M M
9/26/2012 6:00 AM 0.41 M M M M
9/27/2012 6:00 AM 0.51 M M M M 0.41" fell in a heavy rain shower which started approximately 10:15pm.
9/28/2012 7:00 AM 0.01 M M M M
9/29/2012 7:00 AM 0.00 0.0 M M M
9/30/2012 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



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