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 11 1.12 1.58 31 1.58 31 0.00 0 0 6 1 9.8 2 5
Nov 11 0.95 0.83 30 0.83 30 0.00 0 0 2 4 10.0 2 4
Dec 11 0.70 1.64 31 1.64 31 0.00 0 0 8 0 27.1 8 31
Jan 12 0.49 0.21 31 0.21 31 0.00 0 0 5 1 4.3 5 17
Feb 12 0.47 1.85 29 1.85 29 0.00 0 0 8 4 28.5 9 23
March 12 1.56 0.00 31 0.00 31 0.00 0 0 0 7 0.0 0 0
April 12 2.01 1.26 30 1.26 30 0.00 0 0 8 2 0.9 2 0
May 12 2.25 1.67 31 1.67 31 0.00 0 0 7 3 0.0 0 0
June 12 1.88 0.10 30 0.10 30 0.00 0 0 5 7 0.0 0 0
July 12 1.54 2.20 31 2.20 31 0.00 0 0 10 6 0.0 0 0
Aug 12 1.65 0.08 31 0.08 31 0.00 0 0 4 7 0.0 0 0
Sept 12 1.40 1.50 30 1.50 30 0.00 0 0 7 5 0.0 0 0
Water Year Totals: 16.02" 12.92" 366 days 12.92" 366 0.00" 0 days 0 70 days 47 days 80.6" 28 days 80 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 0.01
10/4/2011 0.00
10/5/2011 T
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 0.01
10/9/2011 0.47
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 0.05
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 0.71
10/27/2011 0.33
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 0.77
11/3/2011 0.06
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 T
11/20/2011 0.00
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 T
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.28
12/2/2011 0.27
12/3/2011 0.19
12/4/2011 0.07
12/5/2011 0.02
12/6/2011 0.00
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 0.04
12/21/2011 0.00
12/22/2011 0.72
12/23/2011 0.05
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 0.04
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 T
1/12/2012 0.07
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.03
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 0.05
1/26/2012 0.00
1/27/2012 0.00
1/28/2012 0.02
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 1.22
2/4/2012 0.35
2/5/2012 T
2/6/2012 0.00
2/7/2012 0.09
2/8/2012 0.03
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.04
2/12/2012 T
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 T
2/19/2012 0.00
2/20/2012 0.06
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.05
2/24/2012 0.01
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 T
3/1/2012 0.00
3/2/2012 T
3/3/2012 T
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 T
3/12/2012 T
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 0.11
4/4/2012 0.27
4/5/2012 0.00
4/6/2012 0.00
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 0.25
4/13/2012 0.01
4/14/2012 0.00
4/15/2012 0.54
4/16/2012 0.01
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.00
4/20/2012 0.02
4/21/2012 0.00
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 T
4/27/2012 0.05
4/28/2012 0.00
4/29/2012 T
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.00
5/3/2012 T
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 T
5/7/2012 0.35
5/8/2012 0.45
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.15
5/13/2012 0.04
5/14/2012 T
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.00
5/20/2012 0.08
5/21/2012 0.01
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.59
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 0.01
6/4/2012 0.03
6/5/2012 0.00
6/6/2012 0.00
6/7/2012 T
6/8/2012 T
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 T
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 T
6/28/2012 0.03
6/29/2012 0.02
6/30/2012 0.01
Day of YearDaily PrcpMultiday Prcp
7/1/2012 T
7/2/2012 0.00
7/3/2012 0.01
7/4/2012 T
7/5/2012 0.00
7/6/2012 T
7/7/2012 0.27
7/8/2012 0.59
7/9/2012 0.01
7/10/2012 0.94
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 T
7/17/2012 0.11
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 T
7/24/2012 T
7/25/2012 0.03
7/26/2012 0.00
7/27/2012 0.00
7/28/2012 0.01
7/29/2012 0.00
7/30/2012 0.18
7/31/2012 0.05
8/1/2012 0.00
8/2/2012 0.03
8/3/2012 T
8/4/2012 T
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 T
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 T
8/12/2012 0.01
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 T
8/17/2012 T
8/18/2012 T
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.03
8/22/2012 0.00
8/23/2012 0.01
8/24/2012 0.00
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 T
9/4/2012 T
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.03
9/8/2012 0.03
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.45
9/13/2012 0.29
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 T
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 T
9/26/2012 0.26
9/27/2012 0.43
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 0.0 M
10/2/2011 7:00 AM 0.00 0.0 M 0.0 M
10/3/2011 7:00 AM 0.01 0.0 M 0.0 M thunder W - N 2035-2110; RW- 2128-2137
10/4/2011 7:00 AM 0.00 0.0 M 0.0 M
10/5/2011 7:00 AM T 0.0 M 0.0 M a couple brief RW- ca 1800 & 1840
10/6/2011 7:00 AM 0.00 0.0 M 0.0 M
10/7/2011 7:00 AM 0.00 0.0 M 0.0 M
10/8/2011 7:00 AM 0.01 0.0 M 0.0 M
10/9/2011 7:00 AM 0.47 0.0 M 0.0 M
10/10/2011 7:00 AM 0.00 0.0 M 0.0 M
10/11/2011 7:00 AM 0.00 0.0 M 0.0 M
10/12/2011 7:00 AM 0.00 0.0 M 0.0 M
10/13/2011 7:00 AM 0.00 0.0 M 0.0 M
10/14/2011 7:00 AM 0.00 0.0 M 0.0 M
10/15/2011 7:00 AM 0.00 0.0 M 0.0 M
10/16/2011 7:00 AM 0.00 0.0 M 0.0 M
10/17/2011 7:00 AM 0.00 0.0 M 0.0 M
10/18/2011 7:00 AM 0.05 0.0 M 0.0 M RW- 0715-0800, 1100
10/19/2011 7:00 AM 0.00 0.0 M 0.0 M First freeze of year this morning (29F).
10/20/2011 7:00 AM 0.00 0.0 M 0.0 M
10/21/2011 7:00 AM 0.00 0.0 M 0.0 M
10/22/2011 7:00 AM 0.00 0.0 M 0.0 M
10/23/2011 7:00 AM 0.00 0.0 M 0.0 M
10/24/2011 7:00 AM 0.00 0.0 M 0.0 M
10/25/2011 7:00 AM 0.00 0.0 M 0.0 M
10/26/2011 5:30 AM 0.71 5.6 M 5.5 M R- 1615, R-S- 2000, S- 2100. .15" in rain before it changed over. 3.8" snow by 0230. Heavy on trees; heard one limb break & fall in a neighbor's yard at 0535.
10/27/2011 7:00 AM 0.33 4.2 M 7.5 M +2.0 0900, +2.0 1330, +0.2 SE ca 1500. Storm total 9.8"/1.04". Considerable tree damage in neighborhood.
10/28/2011 7:00 AM 0.00 0.0 M 4.0 M
10/29/2011 7:00 AM 0.00 0.0 M 2.0 M
10/30/2011 7:00 AM 0.00 0.0 M 1.0 M
10/31/2011 7:00 AM 0.00 0.0 M T M
11/1/2011 7:00 AM 0.00 0.0 M T M
11/2/2011 6:00 AM 0.77 9.1 M 8.5 M R-- 1820ff; ltg/thunder 1915-2015 or so, with a couple nearby strikes; SP- 1935-1950; S- after 2000 or so. 1.2" as of 2200, +6.0" 0200, +1.9" 0600. More bent-over trees, but didn't see anything broken this time.
11/3/2011 7:00 AM 0.06 0.9 M 7.5 M snow tapered off quickly in the morning, ending before noon; cleared completely by around 1500
11/4/2011 7:00 AM 0.00 0.0 M 3.5 M
11/5/2011 7:00 AM 0.00 0.0 M 1.5 M
11/6/2011 7:00 AM T 0.0 M T M RW- 1650-1730 w/rainbow. Gusty winds 2035 to around midnight brought down most of the pods on our locust tree (and several hit the house rather loudly!)
11/7/2011 7:00 AM 0.00 0.0 M T M
11/8/2011 7:00 AM 0.00 0.0 M T M became ovc mid-aftn, but precip stayed S & E and skies cleared before dawn
11/9/2011 7:00 AM 0.00 0.0 M T M
11/10/2011 7:00 AM 0.00 0.0 M T M
11/11/2011 7:00 AM 0.00 0.0 M T M
11/12/2011 7:00 AM 0.00 0.0 M T M last trace of snow probably will melt today
11/13/2011 7:00 AM T T M 0.0 M Mild and occasionally windy. Became cloudy late evening and saw a couple of flakes in the wind around 2230. Quite windy during the night with a couple of small branches down - probably broken during the first snow.
11/14/2011 7:00 AM 0.00 0.0 M 0.0 M still windy!
11/15/2011 7:00 AM 0.00 0.0 M 0.0 M yet another windy day
11/16/2011 7:00 AM 0.00 0.0 M 0.0 M wind finally died down late eve - and temp dropped accordingly
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 T T M T M SWU probably around 0500. Solid surfaces lightly covered with snow.
11/20/2011 7:00 AM 0.00 0.0 M 0.0 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
11/26/2011 7:00 AM T 0.0 M 0.0 M virga W-S late aftn/early eve; RW-- ca 1830
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 0.0 M
12/1/2011 5:30 AM 0.28 3.7 M 3.5 M at midnight, the barest hint of snow; ~2" by 0330
12/2/2011 7:00 AM 0.27 4.0 M 7.5 M S- tapered off by noon, and mostly ended early aftn. Partial clearing by late eve. Storm total 7.7"/.55".
12/3/2011 7:00 AM 0.19 4.9 M 10.0 M S- began ca 2200; ~0.2" by 00L, then continued all night
12/4/2011 7:00 AM 0.07 0.8 M 9.0 M SE ca 11L, mo clr by 1330. Storm total 5.7/.26".
12/5/2011 7:00 AM 0.02 0.7 M 9.0 M SW- roughly 1630 - 2130
12/6/2011 7:00 AM 0.00 0.0 M 7.0 M min temp in garden (too close to ground) -10F; -4F up at deck height
12/7/2011 7:00 AM 0.00 0.0 M 6.5 M
12/8/2011 7:00 AM 0.00 0.0 M 5.5 M
12/9/2011 7:00 AM 0.00 0.0 M 5.0 M
12/10/2011 7:00 AM 0.00 0.0 M 5.0 M
12/11/2011 7:00 AM 0.00 0.0 M 4.5 M
12/12/2011 7:00 AM 0.00 0.0 M 4.0 M
12/13/2011 7:00 AM 0.00 0.0 M 4.0 M
12/14/2011 7:00 AM 0.00 0.0 M 4.0 M
12/15/2011 7:00 AM 0.00 0.0 M 3.5 M
12/16/2011 7:00 AM 0.00 0.0 M 3.5 M
12/17/2011 7:00 AM 0.00 0.0 M 3.0 M
12/18/2011 7:00 AM 0.00 0.0 M 3.0 M
12/19/2011 7:00 AM 0.00 0.0 M 2.5 M much of front yard (SW) bare, ~4" back yard
12/20/2011 7:00 AM 0.04 0.7 M 3.0 M S- 0945-1715
12/21/2011 7:00 AM 0.00 0.0 M 2.5 M
12/22/2011 7:00 AM 0.72 11.3 M 15.0 M S-/S eve, then slacked off around 2100. 3.3"/.15" 22L. Picked up again before midnight +8.0/.57" 07L.
12/23/2011 7:00 AM 0.05 1.0 M 15.0 M Snow tapered off and ended by early afternoon. Storm total (20 hours) 12.3"/.77". Hints of clearing by sunset.
12/24/2011 7:00 AM 0.00 0.0 M 12.5 M
12/25/2011 7:00 AM 0.00 0.0 M 11.5 M
12/26/2011 7:00 AM 0.00 0.0 M 10.5 M
12/27/2011 7:00 AM 0.00 0.0 M 9.0 M
12/28/2011 7:00 AM 0.00 0.0 M 8.5 M
12/29/2011 7:00 AM 0.00 0.0 M 7.0 M breezy & mild - low barely dropped below 40
12/30/2011 7:00 AM 0.00 0.0 M 4.5 M mild, windy, and much melting
12/31/2011 7:00 AM 0.00 0.0 M 2.5 M More wind during night. Back yard 5-6", front yard mostly bare.
1/1/2012 7:00 AM 0.00 0.0 M 2.5 M
1/2/2012 7:00 AM 0.00 0.0 M 2.5 M
1/3/2012 7:00 AM 0.00 0.0 M 2.5 M
1/4/2012 7:00 AM 0.00 0.0 M 2.0 M still 5-6" in NE-facing back yard; front mostly bare
1/5/2012 7:00 AM 0.00 0.0 M 2.0 M
1/6/2012 7:00 AM 0.00 0.0 M 1.5 M back yard snow down to about 4"
1/7/2012 7:00 AM 0.00 0.0 M 1.5 M
1/8/2012 7:00 AM 0.04 0.5 M 1.5 M
1/9/2012 7:00 AM 0.00 0.0 M 1.5 M Sat aftn snow melted quickly Sun in non-shaded areas; still present elsewhere.
1/10/2012 7:00 AM 0.00 0.0 M 1.0 M
1/11/2012 6:00 AM T T M 0.5 M S- began 0535 with blustery wind and dropping temperature
1/12/2012 7:00 AM 0.07 2.2 M 2.5 M S- ended ca 1330 with sun vsbl at times, then snowed again 1530-1800
1/13/2012 7:00 AM 0.00 0.0 M 1.5 M
1/14/2012 7:00 AM 0.00 0.0 M 1.0 M
1/15/2012 7:00 AM 0.00 0.0 M 0.5 M overnight min a very mild 44F
1/16/2012 7:00 AM 0.00 0.0 M T M still a couple of inches of snow covering shaded parts of back yard, but overall bare ground now
1/17/2012 7:00 AM 0.03 0.8 M 1.0 M Bulk of snow accumulated between about 1700 and 2000. Skies cleared by 0100.
1/18/2012 7:00 AM 0.00 0.0 M T M
1/19/2012 7:00 AM 0.00 0.0 M T M
1/20/2012 7:00 AM 0.00 0.0 M T M
1/21/2012 7:00 AM 0.00 0.0 M T M
1/22/2012 7:00 AM 0.00 0.0 M T M drove through RW- in vicinity last evening, but no evidence here
1/23/2012 7:00 AM 0.00 0.0 M T M only a few hints remain of the 1 Dec snow
1/24/2012 7:00 AM 0.00 0.0 M T M
1/25/2012 7:00 AM 0.05 0.5 M 0.5 M snow covered ground by around 0830
1/26/2012 7:00 AM 0.00 0.0 M T M
1/27/2012 7:00 AM 0.00 0.0 M 0.0 M last of 1 Dec snow gone
1/28/2012 7:00 AM 0.02 0.3 M T M
1/29/2012 7:00 AM 0.00 0.0 M T M
1/30/2012 7:00 AM 0.00 0.0 M 0.0 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 7:25 AM 1.22 13.6 M 13.5 M first flakes 1810, first accum ca 1900. 2.6" at 2140.
2/4/2012 7:00 AM 0.35 6.9 M 18.0 M only about .5" a.m., had a break w/sun dimly visible roughly 1100-1400, then S- again. 4.8"/.25" for the day (2150), +2.1"/.10" over night
2/5/2012 7:00 AM T T M 14.0 M SE ca 1100; cleared aftn. Snowpack settled 4" from yesterday.
2/6/2012 7:00 AM 0.00 0.0 M 13.0 M
2/7/2012 5:15 AM 0.09 2.8 M 15.0 M A "normal" Feb snow - very fluffy. Light snow fell all night.
2/8/2012 7:00 AM 0.03 0.8 M 12.5 M SE ca 1030, partial clearing & a.m. accum melt, then a few SW- 1400-1600 w/no accum
2/9/2012 7:00 AM 0.00 0.0 M 11.5 M
2/10/2012 7:00 AM 0.00 0.0 M 10.0 M
2/11/2012 7:00 AM 0.04 2.1 M 12.0 M Serious fluff!
2/12/2012 7:00 AM T 0.2 M 10.0 M SE ca 1000, then some sun rest of day
2/13/2012 7:00 AM 0.00 0.0 M 9.0 M
2/14/2012 7:00 AM 0.00 0.0 M 7.0 M
2/15/2012 7:00 AM 0.00 0.0 M 6.0 M
2/16/2012 7:00 AM 0.00 0.0 M 6.0 M
2/17/2012 7:00 AM 0.00 0.0 M 5.0 M
2/18/2012 7:00 AM T T M 4.0 M A flake or two at 2015, then SWU produced a very light dusting sometime during the night (clear at sunrise). Snow 5"-7" in NE-facing back yard, a couple of bare spots in front.
2/19/2012 7:00 AM 0.00 0.0 M 3.5 M
2/20/2012 7:00 AM 0.06 1.3 M 5.0 M SW 2340-020 (observed at 2345, start/end based on radar), then SW-- until ca 0230
2/21/2012 7:00 AM 0.00 0.0 M 3.5 M
2/22/2012 7:00 AM 0.00 0.0 M 2.5 M breezy with occasional strong winds mid-day and evening; temp did not go below 40 over night
2/23/2012 5:15 AM 0.05 0.7 M 1.5 M very windy & mild with lots of snow melt, followed by S- after midnight
2/24/2012 7:00 AM 0.01 0.1 M 1.5 M SW- until mid-day; cleared mid-evening
2/25/2012 7:00 AM 0.00 0.0 M 0.5 M
2/26/2012 7:00 AM 0.00 0.0 M T M more wind aftn and over night; max temp 64
2/27/2012 7:00 AM 0.00 0.0 M T M
2/28/2012 7:00 AM 0.00 0.0 M T M
2/29/2012 7:00 AM T T M T M SW-- ca 0900 and 1435, then cleared. Windy over night.
3/1/2012 7:00 AM 0.00 0.0 M T M
3/2/2012 7:00 AM T T M T M SW- 1050-1115 dampened pavement
3/3/2012 7:00 AM T T M T M SPW- 1750-1805 - just a dusting
3/4/2012 7:00 AM 0.00 0.0 M T M
3/5/2012 7:00 AM 0.00 0.0 M T M
3/6/2012 7:00 AM 0.00 0.0 M T M windy & mild
3/7/2012 7:00 AM T T M T M 73F max. FROPA ca 00L. ZL-/S-- B ca 0430.
3/8/2012 7:00 AM T T M T M ZL-/SW-- until mid-day. Cleared mid-evening.
3/9/2012 7:00 AM 0.00 0.0 M 0.0 M last remnant of Feb snowstorm finally gone
3/10/2012 7:00 AM 0.00 0.0 M 0.0 M
3/11/2012 7:00 AM T 0.0 M 0.0 M RWU before dawn
3/12/2012 7:00 AM T 0.0 M 0.0 M RWU ca 0800
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 0.0 M
3/15/2012 7:00 AM 0.00 0.0 M 0.0 M
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 0.0 M 0.0 M Sunny & quite windy, then became ovc from W by mid-aftn. RW-- 1735, RW- 1745-1755 - dirty raindrops on windows etc. Wind calmed for about an hour, then picked up again until near midnight.
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 0.0 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 5:30 AM 0.11 0.1 M T M L-/R-- off and on during day; brief S- 2130, R- 2200; S- ca 04Lff with light whitening of non-pavement hard surfaces by 0430
4/4/2012 7:00 AM 0.27 0.8 M 0.0 M R-S- E ca 1800. Cleared ca 0400.
4/5/2012 7:00 AM 0.00 0.0 M 0.0 M
4/6/2012 7:00 AM 0.00 0.0 M 0.0 M
4/7/2012 7:00 AM 0.00 0.0 M 0.0 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 0.25 0.0 M 0.0 M thunder east ca 1700; TRW 2315-2345 quick hit, ending time uncertain
4/13/2012 7:00 AM 0.01 0.0 M 0.0 M RW- early afternoon
4/14/2012 7:00 AM 0.00 0.0 M 0.0 M
4/15/2012 7:00 AM 0.54 0.0 M 0.0 M sunny a.m., ovc by early aftn. RW- 1755-2030 (T); R- 2030-ca0115. .11" by 2230, heaviest rain 2300-0030 or so.
4/16/2012 7:00 AM 0.01 T M 0.0 M mo sunny a.m., then mo cldy p.m. w/ocnl RW-/SP- 1500-1800. Biggest shower ca 1800.
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 0.00 0.0 M 0.0 M
4/20/2012 7:00 AM 0.02 0.0 M 0.0 M quickly passing showers from NW, noonish - evening; got tagged by south edge of one just before 2:00
4/21/2012 7:00 AM 0.00 0.0 M 0.0 M
4/22/2012 7:00 AM 0.00 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 0.0 M
4/26/2012 7:00 AM T 0.0 M 0.0 M RW- ca 1830
4/27/2012 7:00 AM 0.05 0.0 M 0.0 M a few drops around 1900; TRW- ca 2200 (.03") and RW- ca 0230
4/28/2012 7:00 AM 0.00 0.0 M 0.0 M
4/29/2012 7:00 AM T 0.0 M 0.0 M RW-- ca 1800
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 0.0 M
5/3/2012 7:00 AM T 0.0 M 0.0 M ltg distant north ca 2030, near north ltg/thunder 2150 or so, with a very light shower at 2215
5/4/2012 7:00 AM 0.00 0.0 M 0.0 M
5/5/2012 7:00 AM 0.00 0.0 M 0.0 M
5/6/2012 7:00 AM T 0.0 M 0.0 M ltg E-W ca 2050. TRW-- 2130 & 2230; just a smattering of drops both times.
5/7/2012 5:30 AM 0.35 0.0 M 0.0 M Sunny early, then became ovc mid-afternoon. Had .24" as of 2200.
5/8/2012 7:00 AM 0.45 0.0 M 0.0 M R- until 1330 .44"; dried but still ovc, then L- mid-evening .01". Cleared ca 0300. (Note that yesterday's obs was at 0530, so my .44" incl 90 min "extra" rain.)
5/9/2012 7:00 AM 0.00 0.0 M 0.0 M
5/10/2012 7:00 AM 0.00 0.0 M 0.0 M
5/11/2012 7:00 AM 0.00 0.0 M 0.0 M Cottonwoods shedding like snow! Sunny, then became ovc & windy early evening; FROPA ca 2315.
5/12/2012 7:00 AM 0.15 0.0 M 0.0 M Ovc all day. First few spits at 1010. .06" in noon shower, .07" in eve shower, .02" during night
5/13/2012 7:00 AM 0.04 0.0 M 0.0 M Ovc, with some bright spots aftn. RWU mid-aftn, T; RW- 1915-1945 .04". Stars visible early a.m., but ovc again before sunrise.
5/14/2012 7:00 AM T 0.0 M 0.0 M some light drizzle around 0730
5/15/2012 7:00 AM 0.00 0.0 M 0.0 M
5/16/2012 7:00 AM 0.00 0.0 M 0.0 M
5/17/2012 7:00 AM 0.00 0.0 M 0.0 M
5/18/2012 7:00 AM 0.00 0.0 M 0.0 M
5/19/2012 7:00 AM 0.00 0.0 M 0.0 M
5/20/2012 7:00 AM 0.08 0.0 M 0.0 M
5/21/2012 7:00 AM 0.01 0.0 M 0.0 M RWU before dawn
5/22/2012 7:00 AM 0.00 0.0 M 0.0 M
5/23/2012 7:00 AM 0.00 0.0 M 0.0 M
5/24/2012 7:00 AM 0.59 0.0 M 0.0 M .57" before 01L, .02" after (automated gauge report)
5/25/2012 7:00 AM 0.00 0.0 M 0.0 M
5/26/2012 7:00 AM 0.00 0.0 M 0.0 M mo cldy until evening
5/27/2012 7:00 AM 0.00 0.0 M 0.0 M low ovc at sunrise, cleared by 0830. HK all day, windy late aftn & late eve/over night - cooler than points east, with 84F max late aftn
5/28/2012 7:00 AM 0.00 0.0 M 0.0 M
5/29/2012 7:00 AM 0.00 0.0 M 0.0 M
5/30/2012 7:00 AM 0.00 0.0 M 0.0 M
5/31/2012 7:00 AM 0.00 0.0 M 0.0 M
6/1/2012 7:00 AM 0.00 0.0 M 0.0 M
6/2/2012 7:00 AM T 0.0 M 0.0 M "sprinkles" ca 1430
6/3/2012 7:00 AM 0.01 0.0 M 0.0 M RW-- early aftn T; RW- 1815 .01"
6/4/2012 7:00 AM 0.03 0.0 M 0.0 M got dark N&W with thunder, then two TRW- 1754-1815
6/5/2012 7:00 AM 0.00 0.0 M 0.0 M quite windy roughly 1900-2230
6/6/2012 7:00 AM 0.00 0.0 M 0.0 M Thin overcast all day; clouds limited viewing of Venus transit. Another quite windy afternoon/evening.
6/7/2012 7:00 AM T 0.0 M 0.0 M Ovc w/lots of thunder at times late aftn through evening. Quite windy evening until around midnight. RW-- 1710 and 1830 - a few drops each time.
6/8/2012 7:00 AM T 0.0 M 0.0 M A light shower right at noon. Plenty of lightning distant NE late evening, and windy.
6/9/2012 7:00 AM 0.00 0.0 M 0.0 M
6/10/2012 7:00 AM 0.00 0.0 M 0.0 M
6/11/2012 7:00 AM 0.00 0.0 M 0.0 M
6/12/2012 7:00 AM 0.00 0.0 M 0.0 M
6/13/2012 7:00 AM 0.00 0.0 M 0.0 M
6/14/2012 7:00 AM 0.00 0.0 M 0.0 M
6/15/2012 7:00 AM T 0.0 M 0.0 M light evening shower
6/16/2012 7:00 AM 0.00 0.0 M 0.0 M
6/17/2012 7:00 AM T 0.0 M 0.0 M ovc early, cleared w/incr clds & ovc by early aftn. RW-- 1525-1530
6/18/2012 7:00 AM 0.00 0.0 M 0.0 M min 50, max 98F; breezy aftn
6/19/2012 7:00 AM 0.00 0.0 M 0.0 M min 64, max 103 on both of my electronic thermometers
6/20/2012 7:00 AM 0.00 0.0 M 0.0 M Another hot one (95F), but low ovc blew in just before sunrise.
6/21/2012 7:00 AM 0.00 0.0 M 0.0 M
6/22/2012 7:00 AM 0.00 0.0 M 0.0 M
6/23/2012 7:00 AM 0.00 0.0 M 0.0 M
6/24/2012 7:00 AM 0.00 0.0 M 0.0 M 104F max; smoky at sunrise
6/25/2012 7:00 AM T 0.0 M 0.0 M Another hot day, then became ovc late aftn, and a line of thunderstorms passed over moving NE. Very light rain fell 1925-2000 and 2015-2020.
6/26/2012 7:00 AM 0.00 0.0 M 0.0 M
6/27/2012 7:00 AM T 0.0 M 0.0 M RW-- 1315, RW-- 1715, TRW- 1900-2000
6/28/2012 7:00 AM 0.03 0.0 M 0.0 M TRW- mid-aftn
6/29/2012 7:00 AM 0.02 0.0 M 0.0 M TRW- early aftn
6/30/2012 7:00 AM 0.01 M M M M brief TRW- early eve
7/1/2012 7:00 AM T 0.0 M 0.0 M thunder 1630, a few drops 1645
7/2/2012 7:00 AM 0.00 0.0 M 0.0 M
7/3/2012 7:00 AM 0.01 0.0 M 0.0 M became windy ca 1700, then ovc by 1830 or so. TRW- 2000-2025
7/4/2012 7:00 AM T 0.0 M 0.0 M RW-- ca 1400
7/5/2012 7:00 AM 0.00 0.0 M 0.0 M
7/6/2012 7:00 AM T 0.0 M 0.0 M RW-- ca 1545, TRW-- ca 1645 - only a few drops from each
7/7/2012 7:00 AM 0.27 0.0 M 0.0 M Clear early, became ovc ca 1300. TRW- 1730-1815 .06", TRW 2058-2110 .09". Other RW ca 2200 & 0230. Biggest rain since 23 May.
7/8/2012 7:00 AM 0.59 0.0 M 0.0 M mo sunny til early aftn, became ovc, thunder S 1650, R- B 1700, ocnl TRW until ca 2100, then continued R- until around midnight, w/.02" in L- after 01L
7/9/2012 7:00 AM 0.01 0.0 M 0.0 M Thunder W early eve; TRW- followed. A few dribbles over night.
7/10/2012 7:00 AM 0.94 0.0 M 0.0 M RW/ocnl + reported most of morning. .45" by 0905, +.18" 0935, +.31" 1055, no additional accum
7/11/2012 7:00 AM 0.00 0.0 M 0.0 M
7/12/2012 7:00 AM 0.00 0.0 M 0.0 M
7/13/2012 7:00 AM 0.00 0.0 M 0.0 M
7/14/2012 7:00 AM 0.00 0.0 M 0.0 M
7/15/2012 7:00 AM 0.00 0.0 M 0.0 M
7/16/2012 7:00 AM T 0.0 M 0.0 M RW-- (a very few drops) early eve
7/17/2012 7:00 AM 0.11 0.0 M 0.0 M TRW-/RW- late aftn/eve
7/18/2012 7:00 AM 0.00 0.0 M 0.0 M
7/19/2012 7:00 AM 0.00 0.0 M 0.0 M
7/20/2012 7:00 AM 0.00 0.0 M 0.0 M ltg N ca 1800
7/21/2012 7:00 AM 0.00 0.0 M 0.0 M
7/22/2012 7:00 AM 0.00 0.0 M 0.0 M thunder S, virga E ca 1830
7/23/2012 7:00 AM T 0.0 M 0.0 M RW- late aftn
7/24/2012 7:00 AM T 0.0 M 0.0 M TRWU ca 1900
7/25/2012 7:00 AM 0.03 0.0 M 0.0 M TRW- & rather breezy late eve
7/26/2012 7:00 AM 0.00 0.0 M 0.0 M
7/27/2012 7:00 AM 0.00 0.0 M 0.0 M
7/28/2012 7:00 AM 0.01 0.0 M 0.0 M two showers, mid aftn & mid-eve
7/29/2012 7:00 AM 0.00 0.0 M 0.0 M
7/30/2012 7:00 AM 0.18 0.0 M 0.0 M A few drops ca 1430, thunder off & on, then brief RW, .11" in less than 10 min starting 1655. Additional TRW- until around 2130.
7/31/2012 7:00 AM 0.05 0.0 M 0.0 M aftn thundershowers
8/1/2012 7:00 AM 0.00 0.0 M 0.0 M
8/2/2012 7:00 AM 0.03 0.0 M 0.0 M TRW- late aftn .02", RWU late eve .01"
8/3/2012 7:00 AM T 0.0 M 0.0 M
8/4/2012 7:00 AM T 0.0 M 0.0 M breezy late aftn/eve, w/brief RW--
8/5/2012 7:00 AM 0.00 0.0 M 0.0 M
8/6/2012 7:00 AM 0.00 0.0 M 0.0 M
8/7/2012 7:00 AM T 0.0 M 0.0 M a light shower mid aftn; scattered drops evening
8/8/2012 7:00 AM 0.00 0.0 M 0.0 M
8/9/2012 7:00 AM 0.00 0.0 M 0.0 M
8/10/2012 7:00 AM 0.00 0.0 M 0.0 M
8/11/2012 7:00 AM T 0.0 M 0.0 M RW- late eve
8/12/2012 7:00 AM 0.01 0.0 M 0.0 M TRW- early eve - heavier rain passed just south
8/13/2012 7:00 AM 0.00 0.0 M 0.0 M
8/14/2012 7:00 AM 0.00 0.0 M 0.0 M
8/15/2012 7:00 AM 0.00 0.0 M 0.0 M
8/16/2012 7:00 AM T 0.0 M 0.0 M very light shower mid-aftn
8/17/2012 7:00 AM T 0.0 M 0.0 M light rain shower late aftn
8/18/2012 7:00 AM T 0.0 M 0.0 M RWU mid-evening
8/19/2012 7:00 AM 0.00 0.0 M 0.0 M
8/20/2012 7:00 AM 0.00 0.0 M 0.0 M
8/21/2012 7:00 AM 0.03 0.0 M 0.0 M a light shower around sunset, then cleared
8/22/2012 7:00 AM 0.00 0.0 M 0.0 M
8/23/2012 7:00 AM 0.01 0.0 M 0.0 M late aftn light shower (T); RWU ca 0130
8/24/2012 7:00 AM 0.00 0.0 M 0.0 M
8/25/2012 7:00 AM 0.00 0.0 M 0.0 M
8/26/2012 7:00 AM 0.00 0.0 M 0.0 M
8/27/2012 7:00 AM 0.00 0.0 M 0.0 M
8/28/2012 7:00 AM 0.00 0.0 M 0.0 M
8/29/2012 7:00 AM 0.00 0.0 M 0.0 M RW-- in area mid-evening; ltg east
8/30/2012 7:00 AM 0.00 0.0 M 0.0 M
8/31/2012 7:00 AM 0.00 0.0 M 0.0 M after a couple of clean-air days, smoky again this morning
9/1/2012 7:00 AM 0.00 0.0 M 0.0 M
9/2/2012 7:00 AM T 0.0 M 0.0 M RW-- 1225 & 1345, RW- 1720
9/3/2012 7:00 AM T 0.0 M 0.0 M a couple of booms of thunder and a bit of precip mid-aftn
9/4/2012 7:00 AM T 0.0 M 0.0 M TRW-- late aftn
9/5/2012 7:00 AM 0.00 0.0 M 0.0 M
9/6/2012 7:00 AM 0.00 0.0 M 0.0 M
9/7/2012 7:00 AM 0.03 0.0 M 0.0 M RWU ca 05L
9/8/2012 7:00 AM 0.03 0.0 M 0.0 M RWU aftn
9/9/2012 7:00 AM 0.00 0.0 M 0.0 M
9/10/2012 7:00 AM 0.00 0.0 M 0.0 M
9/11/2012 7:00 AM 0.00 0.0 M 0.0 M
9/12/2012 7:15 AM 0.45 0.0 M 0.0 M RW- mid-evening (.08"), then R- after midnight. .32" as of 0530.
9/13/2012 7:00 AM 0.29 0.0 M 0.0 M RE mid-day, though stayed overcast through night
9/14/2012 7:00 AM 0.00 0.0 M 0.0 M
9/15/2012 7:00 AM 0.00 0.0 M 0.0 M
9/16/2012 7:00 AM 0.00 0.0 M 0.0 M
9/17/2012 7:00 AM 0.00 0.0 M 0.0 M
9/18/2012 7:00 AM T 0.0 M 0.0 M a few drops mid-aftn
9/19/2012 7:00 AM 0.00 0.0 M 0.0 M
9/20/2012 7:00 AM 0.00 0.0 M 0.0 M
9/21/2012 7:00 AM 0.00 0.0 M 0.0 M
9/22/2012 7:00 AM 0.00 0.0 M 0.0 M
9/23/2012 7:00 AM 0.00 0.0 M 0.0 M
9/24/2012 7:00 AM 0.00 0.0 M 0.0 M
9/25/2012 7:00 AM T 0.0 M 0.0 M RW- mid-morning
9/26/2012 7:00 AM 0.26 0.0 M 0.0 M light shower mid-aftn .02", heard thunder 1915 w/ltg to north, RW- 2130-0030 .23", RW- ca 0530 .01"
9/27/2012 7:00 AM 0.43 0.0 M 0.0 M Ocnl very light showers during day. Lightning south mid-evening, TRW- late eve.
9/28/2012 7:00 AM 0.01 0.0 M 0.0 M a light shower late afternoon
9/29/2012 7:00 AM 0.00 0.0 M 0.0 M
9/30/2012 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