Station Overview Station Location
Station Number CO-BO-143 Latitude 40.2001
Station Name Longmont 2.1 N Longitude -105.1087
County Boulder Elevation (ft) 5049



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 09 0.99 1.45 31 1.45 31 0.00 0 0 13 1 16.1 5 7
Nov 09 0.78 0.63 30 0.63 30 0.00 0 0 3 1 7.6 3 7
Dec 09 0.54 0.78 31 0.78 31 0.00 0 0 8 3 13.0 9 28
Jan 10 0.36 0.18 31 0.18 31 0.00 0 0 2 2 2.9 3 23
Feb 10 0.45 0.74 28 0.74 28 0.00 0 0 10 1 13.5 9 15
March 10 1.48 1.73 31 1.73 31 0.00 0 0 7 0 14.5 5 8
April 10 1.84 3.28 30 3.28 30 0.00 0 0 11 2 3.0 4 2
May 10 2.32 1.92 31 1.92 31 0.00 0 0 9 3 1.7 2 1
June 10 1.76 1.78 30 1.78 30 0.00 0 0 6 3 0.0 0 0
July 10 1.31 1.60 31 1.60 31 0.00 0 0 9 4 0.0 0 0
Aug 10 1.37 0.61 31 0.61 31 0.00 0 0 9 1 0.0 0 0
Sept 10 1.31 0.12 30 0.12 30 0.00 0 0 3 2 0.0 0 0
Water Year Totals: 14.51" 14.82" 365 days 14.82" 365 0.00" 0 days 0 90 days 23 days 72.3" 40 days 91 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
10/1/2009 0.00
10/2/2009 0.00
10/3/2009 0.00
10/4/2009 0.00
10/5/2009 0.01
10/6/2009 0.04
10/7/2009 0.00
10/8/2009 0.02
10/9/2009 0.01
10/10/2009 0.20
10/11/2009 0.01
10/12/2009 0.00
10/13/2009 0.00
10/14/2009 T
10/15/2009 0.00
10/16/2009 0.00
10/17/2009 0.00
10/18/2009 0.00
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.04
10/22/2009 0.10
10/23/2009 0.00
10/24/2009 0.00
10/25/2009 0.01
10/26/2009 0.04
10/27/2009 0.00
10/28/2009 0.60
10/29/2009 0.36
10/30/2009 0.01
10/31/2009 0.00
11/1/2009 0.00
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.00
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.07
11/15/2009 0.53
11/16/2009 0.03
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.00
11/20/2009 0.00
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 T
11/24/2009 0.00
11/25/2009 0.00
11/26/2009 0.00
11/27/2009 0.00
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.00
12/2/2009 0.09
12/3/2009 0.03
12/4/2009 T
12/5/2009 0.00
12/6/2009 0.06
12/7/2009 0.08
12/8/2009 0.04
12/9/2009 0.01
12/10/2009 0.00
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.00
12/14/2009 0.00
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.00
12/20/2009 0.00
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.29
12/24/2009 0.18
12/25/2009 0.00
12/26/2009 T
12/27/2009 T
12/28/2009 0.00
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.00
1/2/2010 0.00
1/3/2010 0.00
1/4/2010 T
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.08
1/8/2010 0.00
1/9/2010 0.00
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.00
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.00
1/19/2010 0.00
1/20/2010 0.00
1/21/2010 0.00
1/22/2010 0.00
1/23/2010 0.00
1/24/2010 0.00
1/25/2010 0.00
1/26/2010 0.00
1/27/2010 0.00
1/28/2010 0.10
1/29/2010 T
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.00
2/4/2010 0.02
2/5/2010 T
2/6/2010 0.00
2/7/2010 0.00
2/8/2010 0.11
2/9/2010 0.04
2/10/2010 0.00
2/11/2010 0.00
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.09
2/15/2010 0.02
2/16/2010 0.00
2/17/2010 0.00
2/18/2010 0.00
2/19/2010 0.15
2/20/2010 0.02
2/21/2010 0.18
2/22/2010 0.09
2/23/2010 0.00
2/24/2010 0.00
2/25/2010 0.00
2/26/2010 0.02
2/27/2010 0.00
2/28/2010 0.00
3/1/2010 0.03
3/2/2010 0.00
3/3/2010 0.00
3/4/2010 0.00
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 0.01
3/12/2010 0.00
3/13/2010 0.00
3/14/2010 0.00
3/15/2010 0.06
3/16/2010 0.00
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.14
3/20/2010 0.31
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 0.00
3/24/2010 1.17
3/25/2010 0.00
3/26/2010 0.00
3/27/2010 0.01
3/28/2010 0.00
3/29/2010 0.00
3/30/2010 0.00
3/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.02
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 0.25
4/7/2010 0.15
4/8/2010 0.02
4/9/2010 0.00
4/10/2010 0.00
4/11/2010 T
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.00
4/18/2010 0.06
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 T
4/22/2010 1.24
4/23/2010 0.35
4/24/2010 0.79
4/25/2010 0.00
4/26/2010 0.06
4/27/2010 0.00
4/28/2010 0.00
4/29/2010 0.23
4/30/2010 0.11
5/1/2010 0.01
5/2/2010 0.00
5/3/2010 T
5/4/2010 0.00
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.06
5/8/2010 0.00
5/9/2010 0.00
5/10/2010 0.00
5/11/2010 T
5/12/2010 1.16
5/13/2010 0.04
5/14/2010 0.07
5/15/2010 0.28
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.00
5/19/2010 0.12
5/20/2010 0.03
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.00
5/24/2010 0.00
5/25/2010 0.00
5/26/2010 0.00
5/27/2010 T
5/28/2010 0.00
5/29/2010 0.00
5/30/2010 0.15
5/31/2010 0.00
6/1/2010 0.00
6/2/2010 0.00
6/3/2010 0.00
6/4/2010 0.00
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 0.00
6/8/2010 0.00
6/9/2010 0.18
6/10/2010 0.00
6/11/2010 T
6/12/2010 0.90
6/13/2010 0.41
6/14/2010 0.22
6/15/2010 0.02
6/16/2010 0.00
6/17/2010 0.00
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 T
6/22/2010 0.00
6/23/2010 0.00
6/24/2010 0.00
6/25/2010 0.00
6/26/2010 0.00
6/27/2010 0.05
6/28/2010 0.00
6/29/2010 0.00
6/30/2010 T
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 T
7/3/2010 0.03
7/4/2010 0.08
7/5/2010 0.40
7/6/2010 0.00
7/7/2010 0.11
7/8/2010 0.21
7/9/2010 0.27
7/10/2010 0.00
7/11/2010 0.00
7/12/2010 0.00
7/13/2010 0.00
7/14/2010 0.00
7/15/2010 0.00
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 T
7/20/2010 T
7/21/2010 0.05
7/22/2010 T
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 0.00
7/26/2010 0.00
7/27/2010 0.00
7/28/2010 0.04
7/29/2010 0.00
7/30/2010 0.41
7/31/2010 0.00
8/1/2010 0.00
8/2/2010 0.11
8/3/2010 0.03
8/4/2010 0.00
8/5/2010 0.01
8/6/2010 T
8/7/2010 0.00
8/8/2010 0.10
8/9/2010 0.00
8/10/2010 0.09
8/11/2010 0.00
8/12/2010 0.00
8/13/2010 0.00
8/14/2010 0.00
8/15/2010 0.00
8/16/2010 0.06
8/17/2010 0.02
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.02
8/21/2010 0.00
8/22/2010 0.00
8/23/2010 0.00
8/24/2010 0.17
8/25/2010 0.00
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.03
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.00
9/13/2010 0.00
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.00
9/18/2010 T
9/19/2010 T
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.05
9/23/2010 0.04
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.00
9/29/2010 0.00
9/30/2010 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.00 0.0 M M M Peak wind gust 62mph at 5PM. WY2009 finished at 12.24" compared to normal of 14.15".
10/2/2009 7:00 AM 0.00 0.0 M M M Current temp 28.5F...also min thus far.
10/3/2009 7:00 AM 0.00 0.0 M M M Min temp 25.6F, two degress colder than yesterday.
10/4/2009 7:00 AM 0.00 0.0 M M M
10/5/2009 7:00 AM 0.01 M M M M
10/6/2009 6:30 AM 0.04 M M M M
10/7/2009 7:00 AM 0.00 0.0 M M M
10/8/2009 7:00 AM 0.02 M M M M
10/9/2009 7:00 AM 0.01 T M 0.0 M
10/10/2009 6:30 AM 0.20 3.5 M 3.5 M 3.5" snowfall overnight...my greatest first snow of season since Oct. 24-25 1997 when 17" fell.
10/11/2009 7:00 AM 0.01 0.2 M 2.5 M
10/12/2009 7:00 AM 0.00 0.0 M 1.5 M
10/13/2009 7:00 AM 0.00 0.0 M 0.0 M
10/14/2009 6:30 AM T 0.0 M 0.0 M
10/15/2009 7:00 AM 0.00 0.0 M 0.0 M
10/16/2009 7:00 AM 0.00 0.0 M 0.0 M
10/17/2009 7:00 AM 0.00 0.0 M 0.0 M
10/18/2009 7:00 AM 0.00 0.0 M 0.0 M
10/19/2009 7:00 AM 0.00 0.0 M 0.0 M Huge temperature spread Sunday with a low of 31 and high of 87.
10/20/2009 7:00 AM 0.00 0.0 M 0.0 M
10/21/2009 7:00 AM 0.04 0.0 M 0.0 M Cold light rain at obs time; no snow observed thus far.
10/22/2009 7:00 AM 0.10 0.0 M 0.0 M
10/23/2009 7:00 AM 0.00 0.0 M 0.0 M
10/24/2009 7:00 AM 0.00 0.0 M 0.0 M
10/25/2009 7:00 AM 0.01 0.0 M 0.0 M Lgt rain began 630AM; temp upper 30s.
10/26/2009 7:00 AM 0.04 T M 0.0 M
10/27/2009 7:00 AM 0.00 0.0 M 0.0 M
10/28/2009 6:30 AM 0.60 2.5 M 2.5 M Real tricky measurement this morning...varying depths of 1 to 4 inches of wet, crusty snow around yard...snow caked around top of gauge...also had quarter inch of rain last eve before snow. Best estimate 2.5" snow and 0.60 total pcpn for this morning's report. Not snowing at obs time.
10/29/2009 7:00 AM 0.36 9.7 M 11.5 M Storm totals: 12.2" snowfall; 0.96 pcpn.
10/30/2009 7:00 AM 0.01 0.2 M 8.0 M Storm totals 12.4" snowfall; 0.97 pcpn. Morning low 8 above.
10/31/2009 7:00 AM 0.00 0.0 M 4.0 M
11/1/2009 7:00 AM 0.00 0.0 M 1.0 M
11/2/2009 7:00 AM 0.00 0.0 M T M
11/3/2009 7:00 AM 0.00 0.0 M 0.0 M
11/4/2009 7:00 AM 0.00 0.0 M 0.0 M
11/5/2009 7:00 AM 0.00 0.0 M 0.0 M
11/6/2009 7:00 AM 0.00 0.0 M 0.0 M
11/7/2009 7:00 AM 0.00 0.0 M 0.0 M
11/8/2009 6:30 AM 0.00 0.0 M 0.0 M
11/9/2009 7:00 AM 0.00 0.0 M 0.0 M
11/10/2009 7:00 AM 0.00 0.0 M 0.0 M
11/11/2009 7:00 AM 0.00 0.0 M 0.0 M
11/12/2009 7:00 AM 0.00 0.0 M 0.0 M
11/13/2009 6:30 AM 0.00 0.0 M 0.0 M
11/14/2009 7:00 AM 0.07 0.3 M T M Very light flurries at obs time.
11/15/2009 7:00 AM 0.53 6.8 M 6.5 M
11/16/2009 7:00 AM 0.03 0.5 M 5.0 M Storm totals 7.3" snowfall with 0.56 pcpn; clear and very cold this morning with min temp 4 abv zero.
11/17/2009 7:00 AM 0.00 0.0 M 4.0 M
11/18/2009 7:00 AM 0.00 0.0 M 2.5 M
11/19/2009 7:00 AM 0.00 0.0 M 1.0 M
11/20/2009 7:00 AM 0.00 0.0 M 0.5 M
11/21/2009 7:00 AM 0.00 0.0 M T M
11/22/2009 7:00 AM 0.00 0.0 M T M
11/23/2009 7:00 AM T T M T M Trace of snow pellets since 5a.m.
11/24/2009 7:00 AM 0.00 0.0 M T M
11/25/2009 7:00 AM 0.00 0.0 M T M
11/26/2009 7:00 AM 0.00 0.0 M T M
11/27/2009 7:00 AM 0.00 0.0 M 0.0 M
11/28/2009 7:00 AM 0.00 0.0 M 0.0 M
11/29/2009 7:00 AM 0.00 0.0 M 0.0 M
11/30/2009 7:00 AM 0.00 0.0 M 0.0 M
12/1/2009 7:00 AM 0.00 0.0 M 0.0 M
12/2/2009 6:35 AM 0.09 2.0 M 2.0 M
12/3/2009 7:00 AM 0.03 0.5 M 2.0 M Current temp -0.6F...first below zero reading of the season.
12/4/2009 7:00 AM T T M 2.0 M Temp dropped to -6F at 6a.m.
12/5/2009 7:00 AM 0.00 0.0 M 2.0 M
12/6/2009 7:00 AM 0.06 1.7 M 3.0 M
12/7/2009 7:00 AM 0.08 1.6 M 4.0 M
12/8/2009 7:00 AM 0.04 0.7 M 4.5 M
12/9/2009 7:00 AM 0.01 0.5 M 4.5 M Min temp -20.2F at 510AM. Yesterday's snowfall total 1.2", now at 30.7" for the season, more than double the normal for season to date.
12/10/2009 7:00 AM 0.00 0.0 M 4.5 M
12/11/2009 7:00 AM 0.00 0.0 M 4.5 M Min temp and current temp -5.4F
12/12/2009 7:00 AM 0.00 0.0 M 4.0 M
12/13/2009 7:00 AM 0.00 0.0 M 2.5 M
12/14/2009 7:00 AM 0.00 0.0 M 1.5 M
12/15/2009 7:00 AM 0.00 0.0 M 1.0 M
12/16/2009 7:00 AM 0.00 0.0 M 1.0 M
12/17/2009 7:00 AM 0.00 0.0 M 1.0 M
12/18/2009 7:00 AM 0.00 0.0 M 0.5 M
12/19/2009 6:30 AM 0.00 0.0 M 0.5 M
12/20/2009 7:00 AM 0.00 0.0 M 0.5 M
12/21/2009 7:00 AM 0.00 0.0 M T M
12/22/2009 7:00 AM 0.00 0.0 M T M
12/23/2009 7:00 AM 0.29 3.2 M 3.0 M
12/24/2009 7:00 AM 0.18 2.7 M 6.0 M storm totals: 5.9" snowfall; 0.47 pcpn.
12/25/2009 7:00 AM 0.00 0.0 M 6.0 M
12/26/2009 7:00 AM T T M 6.0 M Trace from brief snow shwr around 5a.m.
12/27/2009 7:00 AM T 0.1 M 5.0 M
12/28/2009 7:00 AM 0.00 0.0 M 4.5 M
12/29/2009 7:00 AM 0.00 0.0 M 4.0 M
12/30/2009 7:00 AM 0.00 0.0 M 3.5 M
12/31/2009 7:00 AM 0.00 0.0 M 3.0 M 2009 precip total 14.06; just short of normal 14.15
1/1/2010 7:00 AM 0.00 0.0 M 3.0 M
1/2/2010 7:00 AM 0.00 0.0 M 3.0 M
1/3/2010 7:00 AM 0.00 0.0 M 2.5 M
1/4/2010 7:00 AM T 0.1 M 2.5 M 0.1 snowfall from a couple of shwrs Sunday aftn; no more than a trace precip to measure.
1/5/2010 7:00 AM 0.00 0.0 M 2.0 M
1/6/2010 7:00 AM 0.00 0.0 M 2.0 M
1/7/2010 7:00 AM 0.08 2.0 M 4.0 M Min temp -17F.
1/8/2010 7:00 AM 0.00 0.0 M 4.0 M Min temp -16.6F
1/9/2010 7:00 AM 0.00 0.0 M 4.0 M
1/10/2010 7:00 AM 0.00 0.0 M 3.5 M
1/11/2010 7:00 AM 0.00 0.0 M 2.5 M
1/12/2010 7:00 AM 0.00 0.0 M 2.0 M
1/13/2010 7:00 AM 0.00 0.0 M 1.5 M
1/14/2010 7:00 AM 0.00 0.0 M 1.0 M
1/15/2010 7:00 AM 0.00 0.0 M 1.0 M
1/16/2010 7:00 AM 0.00 0.0 M 1.0 M
1/17/2010 7:00 AM 0.00 0.0 M 1.0 M
1/18/2010 7:00 AM 0.00 0.0 M 1.0 M
1/19/2010 7:00 AM 0.00 0.0 M 0.5 M
1/20/2010 7:00 AM 0.00 0.0 M 0.5 M
1/21/2010 7:00 AM 0.00 0.0 M 0.5 M
1/22/2010 7:00 AM 0.00 0.0 M T M
1/23/2010 7:00 AM 0.00 0.0 M T M
1/24/2010 7:00 AM 0.00 0.0 M T M
1/25/2010 7:00 AM 0.00 0.0 M T M
1/26/2010 7:00 AM 0.00 0.0 M T M
1/27/2010 7:00 AM 0.00 0.0 M T M
1/28/2010 7:00 AM 0.10 0.8 M 1.0 M Fairly wet January snowstorm; got 0.10 pcpn out of 0.8 snowfall.
1/29/2010 7:00 AM T T M 0.5 M
1/30/2010 7:00 AM 0.00 0.0 M T M
1/31/2010 7:00 AM 0.00 0.0 M T M
2/1/2010 7:00 AM 0.00 0.0 M T M
2/2/2010 7:00 AM 0.00 0.0 M T M
2/3/2010 7:00 AM 0.00 0.0 M T M
2/4/2010 7:00 AM 0.02 0.4 M 0.5 M
2/5/2010 7:00 AM T T M T M
2/6/2010 7:00 AM 0.00 0.0 M T M
2/7/2010 7:00 AM 0.00 0.0 M T M
2/8/2010 7:00 AM 0.11 1.2 M 0.5 M
2/9/2010 7:00 AM 0.04 1.9 M 2.5 M 2-day snowfall total 3.1 inches
2/10/2010 7:00 AM 0.00 0.0 M 0.5 M
2/11/2010 7:00 AM 0.00 0.0 M T M
2/12/2010 7:00 AM 0.00 0.0 M T M
2/13/2010 7:00 AM 0.00 0.0 M T M
2/14/2010 7:00 AM 0.09 2.3 M 2.5 M Moderate snow at obs time
2/15/2010 7:00 AM 0.02 0.5 M 0.5 M
2/16/2010 7:00 AM 0.00 0.0 M T M
2/17/2010 7:00 AM 0.00 0.0 M T M
2/18/2010 7:00 AM 0.00 0.0 M T M
2/19/2010 7:00 AM 0.15 2.0 M 2.0 M
2/20/2010 7:00 AM 0.02 0.3 M 2.0 M
2/21/2010 7:00 AM 0.18 2.9 M 4.5 M 3-day storm totals: 5.2 snowfall; 0.35 precip
2/22/2010 7:00 AM 0.09 2.0 M 6.0 M Lgt fog at 7a.m. otherwise skies have mostly cleared. Four-day storm totals: 7.2 in. snowfall; 0.44 precip.
2/23/2010 7:00 AM 0.00 0.0 M 5.5 M
2/24/2010 7:00 AM 0.00 0.0 M 3.0 M
2/25/2010 7:00 AM 0.00 0.0 M 2.5 M
2/26/2010 7:00 AM 0.02 T M 1.0 M Wet snow shwrs late aftn thru erly eve...no accum.
2/27/2010 7:00 AM 0.00 0.0 M 0.5 M
2/28/2010 7:00 AM 0.00 0.0 M T M
3/1/2010 7:00 AM 0.03 0.3 M 0.5 M
3/2/2010 7:00 AM 0.00 0.0 M T M
3/3/2010 7:00 AM 0.00 0.0 M 0.0 M Calling my snow depth "zero" for the first time since Dec. 1...still some patches in shaded areas but open ground completely clear.
3/4/2010 7:00 AM 0.00 0.0 M 0.0 M
3/5/2010 7:00 AM 0.00 0.0 M 0.0 M
3/6/2010 7:00 AM 0.00 0.0 M 0.0 M
3/7/2010 7:00 AM 0.00 0.0 M 0.0 M
3/8/2010 7:00 AM 0.00 0.0 M 0.0 M
3/9/2010 7:00 AM 0.00 0.0 M 0.0 M
3/10/2010 7:00 AM 0.00 0.0 M 0.0 M
3/11/2010 7:00 AM 0.01 T M 0.0 M Ocnl afternoon snow shwrs with no accum; .01 pcpn.
3/12/2010 7:00 AM 0.00 0.0 M 0.0 M
3/13/2010 7:00 AM 0.00 0.0 M 0.0 M
3/14/2010 7:00 AM 0.00 0.0 M 0.0 M
3/15/2010 7:00 AM 0.06 0.3 M T M
3/16/2010 7:00 AM 0.00 0.0 M 0.0 M
3/17/2010 7:00 AM 0.00 0.0 M 0.0 M
3/18/2010 7:00 AM 0.00 0.0 M 0.0 M
3/19/2010 7:00 AM 0.14 1.3 M 1.5 M
3/20/2010 7:00 AM 0.31 4.6 M 5.0 M Storm totals 5.9 inches snowfall; 0.45 precip.
3/21/2010 7:00 AM 0.00 0.0 M 1.5 M
3/22/2010 7:00 AM 0.00 0.0 M T M
3/23/2010 7:00 AM 0.00 0.0 M 0.0 M
3/24/2010 6:15 AM 1.17 8.0 M 8.0 M Had 0.27 rain before heavy wet snow (8.0) started at 4PM. Very light snow at 6AM this morning.
3/25/2010 7:00 AM 0.00 0.0 M 3.0 M
3/26/2010 7:00 AM 0.00 0.0 M 1.0 M
3/27/2010 6:35 AM 0.01 T M 1.0 M Brief rain/snow shwr late aftn.
3/28/2010 7:00 AM 0.00 0.0 M T M
3/29/2010 7:00 AM 0.00 0.0 M 0.0 M
3/30/2010 7:00 AM 0.00 0.0 M 0.0 M
3/31/2010 7:00 AM 0.00 0.0 M 0.0 M
4/1/2010 7:00 AM 0.00 0.0 M 0.0 M
4/2/2010 7:00 AM 0.02 0.0 M 0.0 M Brief pea-sized soft hail around 5PM, no thunder.
4/3/2010 7:00 AM 0.00 0.0 M 0.0 M
4/4/2010 7:00 AM 0.00 0.0 M 0.0 M
4/5/2010 7:00 AM 0.00 0.0 M 0.0 M
4/6/2010 7:00 AM 0.25 0.0 M 0.0 M Rare 415AM combination of strong west winds (gusts to 39mph),rain and ice pellets...came to 0.25 melted down.
4/7/2010 7:00 AM 0.15 2.0 M 2.0 M
4/8/2010 7:00 AM 0.02 0.3 M 0.0 M 2.3 inch snowfall yesterday by 8a.m. completely melted by late afternoon. Seasonal snowfall 69.9 inches.
4/9/2010 7:00 AM 0.00 0.0 M 0.0 M
4/10/2010 7:00 AM 0.00 0.0 M 0.0 M
4/11/2010 7:00 AM T 0.0 M 0.0 M
4/12/2010 7:00 AM 0.00 0.0 M 0.0 M
4/13/2010 7:00 AM 0.00 0.0 M 0.0 M
4/14/2010 7:00 AM 0.00 0.0 M 0.0 M
4/15/2010 7:00 AM 0.00 0.0 M 0.0 M
4/16/2010 7:00 AM 0.00 0.0 M 0.0 M
4/17/2010 7:00 AM 0.00 0.0 M 0.0 M
4/18/2010 7:00 AM 0.06 0.0 M 0.0 M
4/19/2010 7:00 AM 0.00 0.0 M 0.0 M
4/20/2010 7:00 AM 0.00 0.0 M 0.0 M
4/21/2010 7:00 AM T 0.0 M 0.0 M
4/22/2010 7:00 AM 1.24 0.0 M 0.0 M Heavy tstms during evening dropped dropped nearly three quarters inch rain...electronic gauge briefly had a rainfall rate over 6in/hr around 9PM...steadier rain midn-3am...very lgt rain at obs time. Storm total so far 1.24
4/23/2010 7:00 AM 0.35 0.0 M 0.0 M Steady lgt-mdt rain at obs time; storm total 1.59"
4/24/2010 7:00 AM 0.79 T M 0.0 M Storm precip total 2.38"
4/25/2010 7:00 AM 0.00 0.0 M 0.0 M
4/26/2010 7:00 AM 0.06 T M T M
4/27/2010 7:00 AM 0.00 0.0 M 0.0 M
4/28/2010 7:00 AM 0.00 0.0 M 0.0 M
4/29/2010 7:00 AM 0.23 0.4 M 0.5 M Wet snow past 90 minutes at obs time.
4/30/2010 7:00 AM 0.11 0.3 M 0.0 M
5/1/2010 7:00 AM 0.01 0.0 M 0.0 M
5/2/2010 7:00 AM 0.00 0.0 M 0.0 M
5/3/2010 7:00 AM T 0.0 M 0.0 M
5/4/2010 7:00 AM 0.00 0.0 M 0.0 M
5/5/2010 7:00 AM 0.00 0.0 M 0.0 M
5/6/2010 7:00 AM 0.00 0.0 M 0.0 M
5/7/2010 7:00 AM 0.06 0.2 M T M 0.2" snow on the grass this morning; believe it occurred sometime after midnight. Makes for a long snowfall season in '09-10; my first measurable was on Oct. 9 and last(?)on May 7. Season total 70.8" more than 25 inches above normal.
5/8/2010 7:00 AM 0.00 0.0 M 0.0 M
5/9/2010 7:00 AM 0.00 0.0 M 0.0 M
5/10/2010 7:00 AM 0.00 0.0 M 0.0 M
5/11/2010 7:00 AM T 0.0 M 0.0 M
5/12/2010 7:00 AM 1.16 1.5 M 1.5 M
5/13/2010 7:00 AM 0.04 0.0 M 0.0 M Clear skies w/heavy frost; storm total 1.20"
5/14/2010 7:00 AM 0.07 0.0 M 0.0 M
5/15/2010 7:00 AM 0.28 0.0 M 0.0 M
5/16/2010 7:00 AM 0.00 0.0 M 0.0 M
5/17/2010 7:00 AM 0.00 0.0 M 0.0 M
5/18/2010 7:00 AM 0.00 0.0 M 0.0 M
5/19/2010 7:00 AM 0.12 0.0 M 0.0 M
5/20/2010 7:00 AM 0.03 0.0 M 0.0 M
5/21/2010 7:00 AM 0.00 0.0 M 0.0 M
5/22/2010 7:00 AM 0.00 0.0 M 0.0 M
5/23/2010 7:00 AM 0.00 0.0 M 0.0 M
5/24/2010 7:00 AM 0.00 0.0 M 0.0 M
5/25/2010 7:00 AM 0.00 0.0 M 0.0 M
5/26/2010 7:00 AM 0.00 0.0 M 0.0 M
5/27/2010 7:00 AM T 0.0 M 0.0 M
5/28/2010 7:00 AM 0.00 0.0 M 0.0 M
5/29/2010 7:00 AM 0.00 0.0 M 0.0 M
5/30/2010 7:00 AM 0.15 0.0 M 0.0 M
5/31/2010 7:00 AM 0.00 0.0 M 0.0 M
6/1/2010 7:00 AM 0.00 0.0 M M M
6/2/2010 7:00 AM 0.00 0.0 M M M
6/3/2010 7:00 AM 0.00 0.0 M M M
6/4/2010 7:00 AM 0.00 0.0 M M M
6/5/2010 7:00 AM 0.00 0.0 M M M
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.00 0.0 M M M
6/8/2010 7:00 AM 0.00 0.0 M M M
6/9/2010 7:00 AM 0.18 0.0 M M M First rain in June...0.18 from late afternoon/eve T-shwrs.
6/10/2010 7:00 AM 0.00 0.0 M M M
6/11/2010 7:00 AM T 0.0 M M M
6/12/2010 6:35 AM 0.90 0.0 M M M
6/13/2010 7:00 AM 0.41 0.0 M M M storm total 1.31 thus far
6/14/2010 7:00 AM 0.22 0.0 M M M 3-day storm total 1.53
6/15/2010 7:00 AM 0.02 0.0 M M M
6/16/2010 7:00 AM 0.00 0.0 M M M
6/17/2010 7:00 AM 0.00 0.0 M M M
6/18/2010 7:00 AM 0.00 0.0 M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM 0.00 0.0 M M M
6/21/2010 7:00 AM T 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.00 0.0 M M M
6/24/2010 7:00 AM 0.00 0.0 M M M
6/25/2010 7:00 AM 0.00 0.0 M M M
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.05 0.0 M M M Late aftn T-shwr /.05/...first measurable in 12 days.
6/28/2010 7:00 AM 0.00 0.0 M M M
6/29/2010 7:00 AM 0.00 0.0 M M M
6/30/2010 7:00 AM T 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM T 0.0 M M M
7/3/2010 7:00 AM 0.03 0.0 M M M
7/4/2010 7:00 AM 0.08 0.0 M M M T-shwrs dropped .05 Sat. aftn then another .03 at 6a.m. this morning.
7/5/2010 7:00 AM 0.40 0.0 M M M
7/6/2010 7:00 AM 0.00 0.0 M M M
7/7/2010 7:00 AM 0.11 0.0 M M M
7/8/2010 7:00 AM 0.21 0.0 M M M
7/9/2010 7:00 AM 0.27 0.0 M M M
7/10/2010 7:00 AM 0.00 0.0 M M M
7/11/2010 7:00 AM 0.00 0.0 M M M
7/12/2010 7:00 AM 0.00 0.0 M M M
7/13/2010 7:00 AM 0.00 0.0 M M M
7/14/2010 7:00 AM 0.00 0.0 M M M
7/15/2010 7:00 AM 0.00 0.0 M M M
7/16/2010 7:00 AM 0.00 0.0 M M M
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M Max temp 103.1; my second highest reading in the six years I've had my Davis weather station running.
7/19/2010 7:00 AM T 0.0 M M M
7/20/2010 7:00 AM T 0.0 M M M
7/21/2010 7:00 AM 0.05 0.0 M M M Late aftn T-shwr dropped .05 ...first measurable in 12 days.
7/22/2010 7:00 AM T 0.0 M M M
7/23/2010 7:00 AM 0.00 0.0 M M M
7/24/2010 7:00 AM 0.00 0.0 M M M
7/25/2010 6:30 AM 0.00 0.0 M M M
7/26/2010 7:00 AM 0.00 0.0 M M M
7/27/2010 7:00 AM 0.00 0.0 M M M
7/28/2010 7:00 AM 0.04 0.0 M M M
7/29/2010 7:00 AM 0.00 0.0 M M M
7/30/2010 7:00 AM 0.41 0.0 M M M /.41/..best T-storm rain in three weeks; had been getting a little dry.
7/31/2010 7:00 AM 0.00 0.0 M M M
8/1/2010 7:00 AM 0.00 0.0 M M M
8/2/2010 7:00 AM 0.11 0.0 M M M
8/3/2010 7:00 AM 0.03 0.0 M M M
8/4/2010 7:00 AM 0.00 0.0 M M M
8/5/2010 7:00 AM 0.01 0.0 M M M
8/6/2010 7:00 AM T 0.0 M M M
8/7/2010 7:00 AM 0.00 0.0 M M M
8/8/2010 7:00 AM 0.10 0.0 M M M Thunder and rain /.10/ at 2AM Sunday.
8/9/2010 7:00 AM 0.00 0.0 M M M
8/10/2010 7:00 AM 0.09 0.0 M M M
8/11/2010 7:00 AM 0.00 0.0 M M M
8/12/2010 7:00 AM 0.00 0.0 M M M
8/13/2010 7:00 AM 0.00 0.0 M M M
8/14/2010 7:00 AM 0.00 0.0 M M M
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.06 0.0 M M M
8/17/2010 7:00 AM 0.02 0.0 M M M
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.02 0.0 M M M
8/21/2010 7:00 AM 0.00 0.0 M M M
8/22/2010 7:00 AM 0.00 0.0 M M M
8/23/2010 7:00 AM 0.00 0.0 M M M
8/24/2010 7:00 AM 0.17 0.0 M M M .08 from t-storm early Mon aftn; .09 from lgt rain since 5a.m.
8/25/2010 7:00 AM 0.00 0.0 M M M
8/26/2010 7:00 AM 0.00 0.0 M M M
8/27/2010 7:00 AM 0.00 0.0 M M M
8/28/2010 7:00 AM 0.00 0.0 M M M
8/29/2010 7:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 6:30 AM 0.00 0.0 M M M Min temp 38F.
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M Saturday max 92, min 42; 50-degree spread.
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:00 AM 0.03 0.0 M M M First rain /.03/ since Aug. 23
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.00 0.0 M M M
9/13/2010 7:00 AM 0.00 0.0 M M M
9/14/2010 7:00 AM 0.00 0.0 M M M
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.00 0.0 M M M
9/18/2010 7:00 AM T 0.0 M M M Very light drizzle in the air.
9/19/2010 7:00 AM T 0.0 M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.05 0.0 M M M T-storm after 11PM dropped .05 rain.
9/23/2010 7:00 AM 0.04 0.0 M M M
9/24/2010 7:00 AM 0.00 0.0 M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.00 0.0 M M M
9/28/2010 7:00 AM 0.00 0.0 M M M
9/29/2010 7:00 AM 0.00 0.0 M M M
9/30/2010 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
4/1/2010 4:55 PM no thunder 1/4" Pea Size Rice Rice Soft 5 2min no damage Continuous True After rain After smaller hail
4/6/2010 4:15 AM Delayed report at 10:50a.m. 4/6 Rice Rice Rice Soft|Clear Ice|White Ice 15 3min no damage True After rain Same time as smaller hail 50-60
4/30/2010 1:12 PM 1/4" Pea Size Rice Rice Soft|White Ice 3 no damage Continuous False Same time as rain Same time as smaller hail