Station Overview Station Location
Station Number VT-CH-4 Latitude 44.587739
Station Name Underhill 4.4 NNE Longitude -72.922508
County Chittenden Elevation (ft) 936



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 10 4.96 9.18 31 9.18 31 0.00 0 0 17 3 3.4 3 2
Nov 10 4.25 3.11 30 3.11 30 0.00 0 0 17 5 3.6 5 6
Dec 10 3.32 5.18 31 5.18 31 0.00 0 0 25 4 72.5 25 29
Jan 11 2.95 2.79 31 2.79 31 0.00 0 0 23 7 55.3 22 31
Feb 11 2.33 3.60 28 3.60 28 0.00 0 0 16 5 49.7 16 28
March 11 3.10 4.52 31 4.52 31 0.00 0 0 18 4 35.5 13 29
April 11 3.55 8.03 30 8.03 30 0.00 0 0 18 3 3.0 3 9
May 11 4.00 9.54 31 9.54 31 0.00 0 0 18 3 0.0 0 0
June 11 4.59 3.98 30 3.98 30 0.00 0 0 18 1 0.0 0 0
July 11 4.68 4.42 31 4.42 31 0.00 0 0 13 0 0.0 0 0
Aug 11 4.99 8.43 31 8.43 31 0.00 0 0 16 0 0.0 0 0
Sept 11 4.36 5.88 30 5.88 30 0.00 0 0 14 1 0.0 0 0
Water Year Totals: 47.08" 68.66" 365 days 68.66" 365 0.00" 0 days 0 213 days 36 days 223.0" 87 days 134 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
10/1/2010 3.00
10/2/2010 0.91
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.00
10/7/2010 0.35
10/8/2010 0.41
10/9/2010 0.12
10/10/2010 0.00
10/11/2010 T
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.33
10/16/2010 2.33
10/17/2010 0.07
10/18/2010 0.02
10/19/2010 T
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.54
10/23/2010 T
10/24/2010 0.00
10/25/2010 0.14
10/26/2010 0.13
10/27/2010 0.25
10/28/2010 0.05
10/29/2010 0.04
10/30/2010 0.13
10/31/2010 0.36
11/1/2010 0.05
11/2/2010 0.02
11/3/2010 T
11/4/2010 0.00
11/5/2010 0.69
11/6/2010 0.16
11/7/2010 0.00
11/8/2010 T
11/9/2010 0.89
11/10/2010 0.02
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.01
11/16/2010 0.01
11/17/2010 0.30
11/18/2010 0.31
11/19/2010 0.01
11/20/2010 T
11/21/2010 T
11/22/2010 0.01
11/23/2010 0.22
11/24/2010 0.16
11/25/2010 0.00
11/26/2010 0.17
11/27/2010 0.02
11/28/2010 0.06
11/29/2010 T
11/30/2010 0.00
12/1/2010 0.38
12/2/2010 0.68
12/3/2010 0.02
12/4/2010 0.02
12/5/2010 0.18
12/6/2010 0.05
12/7/2010 0.54
12/8/2010 0.15
12/9/2010 0.09
12/10/2010 0.02
12/11/2010 0.05
12/12/2010 T
12/13/2010 0.89
12/14/2010 0.80
12/15/2010 0.10
12/16/2010 0.14
12/17/2010 0.14
12/18/2010 0.01
12/19/2010 T
12/20/2010 T
12/21/2010 0.02
12/22/2010 0.07
12/23/2010 0.56
12/24/2010 0.04
12/25/2010 0.00
12/26/2010 T
12/27/2010 0.06
12/28/2010 0.11
12/29/2010 0.04
12/30/2010 0.02
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.04
1/2/2011 0.22
1/3/2011 T
1/4/2011 T
1/5/2011 0.08
1/6/2011 0.06
1/7/2011 T
1/8/2011 0.12
1/9/2011 0.09
1/10/2011 0.23
1/11/2011 0.04
1/12/2011 T
1/13/2011 1.07
1/14/2011 0.02
1/15/2011 0.03
1/16/2011 0.11
1/17/2011 0.03
1/18/2011 0.00
1/19/2011 0.25
1/20/2011 0.07
1/21/2011 0.11
1/22/2011 0.06
1/23/2011 0.04
1/24/2011 T
1/25/2011 0.03
1/26/2011 0.02
1/27/2011 T
1/28/2011 T
1/29/2011 0.02
1/30/2011 0.04
1/31/2011 0.01
2/1/2011 0.00
2/2/2011 0.28
2/3/2011 0.56
2/4/2011 T
2/5/2011 0.00
2/6/2011 1.02
2/7/2011 0.02
2/8/2011 0.32
2/9/2011 0.20
2/10/2011 0.02
2/11/2011 T
2/12/2011 0.00
2/13/2011 0.01
2/14/2011 T
2/15/2011 0.12
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.06
2/19/2011 0.04
2/20/2011 0.02
2/21/2011 0.10
2/22/2011 T
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 T
2/26/2011 0.58
2/27/2011 0.14
2/28/2011 0.11
3/1/2011 0.18
3/2/2011 0.00
3/3/2011 0.03
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.01
3/7/2011 2.72
3/8/2011 0.41
3/9/2011 0.00
3/10/2011 0.02
3/11/2011 0.11
3/12/2011 0.41
3/13/2011 0.11
3/14/2011 0.07
3/15/2011 0.00
3/16/2011 0.07
3/17/2011 0.01
3/18/2011 0.01
3/19/2011 0.03
3/20/2011 T
3/21/2011 0.00
3/22/2011 0.28
3/23/2011 0.01
3/24/2011 0.00
3/25/2011 0.01
3/26/2011 T
3/27/2011 T
3/28/2011 0.00
3/29/2011 T
3/30/2011 0.03
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.32
4/3/2011 0.00
4/4/2011 0.00
4/5/2011 0.34
4/6/2011 0.68
4/7/2011 T
4/8/2011 0.00
4/9/2011 0.00
4/10/2011 0.00
4/11/2011 0.53
4/12/2011 0.58
4/13/2011 T
4/14/2011 0.33
4/15/2011 0.01
4/16/2011 0.00
4/17/2011 0.40
4/18/2011 0.07
4/19/2011 T
4/20/2011 0.62
4/21/2011 0.07
4/22/2011 0.04
4/23/2011 0.05
4/24/2011 0.12
4/25/2011 0.00
4/26/2011 0.46
4/27/2011 2.22
4/28/2011 0.62
4/29/2011 0.57
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.07
5/4/2011 1.44
5/5/2011 0.54
5/6/2011 0.25
5/7/2011 0.00
5/8/2011 T
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 0.00
5/14/2011 T
5/15/2011 1.12
5/16/2011 0.70
5/17/2011 0.65
5/18/2011 0.02
5/19/2011 0.01
5/20/2011 0.06
5/21/2011 0.94
5/22/2011 0.29
5/23/2011 0.01
5/24/2011 0.09
5/25/2011 T
5/26/2011 0.00
5/27/2011 1.26
5/28/2011 1.14
5/29/2011 0.24
5/30/2011 0.71
5/31/2011 0.00
6/1/2011 0.18
6/2/2011 0.02
6/3/2011 0.14
6/4/2011 0.00
6/5/2011 0.00
6/6/2011 0.07
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.15
6/10/2011 0.14
6/11/2011 0.00
6/12/2011 0.68
6/13/2011 0.21
6/14/2011 0.02
6/15/2011 0.02
6/16/2011 0.00
6/17/2011 0.00
6/18/2011 0.24
6/19/2011 0.48
6/20/2011 0.00
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.23
6/24/2011 0.22
6/25/2011 0.42
6/26/2011 0.47
6/27/2011 0.01
6/28/2011 0.00
6/29/2011 T
6/30/2011 0.28
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.11
7/2/2011 0.00
7/3/2011 0.00
7/4/2011 0.58
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 1.60
7/8/2011 0.00
7/9/2011 0.01
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.50
7/13/2011 0.05
7/14/2011 0.57
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.17
7/19/2011 0.00
7/20/2011 0.00
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.13
7/24/2011 0.20
7/25/2011 0.00
7/26/2011 0.07
7/27/2011 0.11
7/28/2011 0.00
7/29/2011 0.00
7/30/2011 0.32
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.02
8/3/2011 0.15
8/4/2011 0.00
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 0.02
8/8/2011 0.16
8/9/2011 0.00
8/10/2011 0.62
8/11/2011 0.04
8/12/2011 0.11
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.18
8/16/2011 1.32
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.03
8/20/2011 0.00
8/21/2011 0.00
8/22/2011 0.60
8/23/2011 0.16
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.12
8/27/2011 0.00
8/28/2011 0.60
8/29/2011 4.26
8/30/2011 0.00
8/31/2011 0.04
9/1/2011 0.00
9/2/2011 T
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 0.49
9/6/2011 1.94
9/7/2011 0.03
9/8/2011 0.43
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 0.00
9/14/2011 0.25
9/15/2011 0.03
9/16/2011 0.70
9/17/2011 0.00
9/18/2011 0.00
9/19/2011 0.00
9/20/2011 0.23
9/21/2011 0.16
9/22/2011 0.00
9/23/2011 0.06
9/24/2011 0.39
9/25/2011 0.04
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.00
9/29/2011 0.03
9/30/2011 1.10



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 8:00 AM 3.00 M M M M Still raining.
10/2/2010 8:30 AM 0.91 M M M M 3.91 storm total
10/3/2010 8:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.00 0.0 M M M
10/5/2010 7:00 AM 0.00 0.0 M M M
10/6/2010 6:45 AM 0.00 0.0 M M M
10/7/2010 6:35 AM 0.35 M M M M and raining
10/8/2010 6:45 AM 0.41 M M M M
10/9/2010 8:45 AM 0.12 M M M M
10/10/2010 8:00 AM 0.00 0.0 M M M
10/11/2010 7:00 AM T M M M M
10/12/2010 7:00 AM 0.00 0.0 M M M
10/13/2010 7:00 AM 0.00 0.0 M M M
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.33 M M M M
10/16/2010 6:00 AM 2.33 2.8 M 1.0 M Storm Total Precip so far...2.66". raining now and 39.
10/17/2010 8:00 AM 0.07 M M M M
10/18/2010 7:00 AM 0.02 M M M M
10/19/2010 7:00 AM T M M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
10/22/2010 6:40 AM 0.54 0.1 M T M Mostly snow pellets.
10/23/2010 8:00 AM T T M M M Flurries yesterday.
10/24/2010 8:30 AM 0.00 0.0 M M M
10/25/2010 7:00 AM 0.14 T M M M Sleet.
10/26/2010 6:15 AM 0.13 M M M M
10/27/2010 6:45 AM 0.25 M M M M
10/28/2010 7:30 AM 0.05 M M M M
10/29/2010 9:00 AM 0.04 M M M M
10/30/2010 9:00 AM 0.13 T M T M Some accumulation above 1200 ft.
10/31/2010 9:00 AM 0.36 0.5 M 0.5 M
11/1/2010 9:00 AM 0.05 0.5 M T M
11/2/2010 8:00 AM 0.02 T M M M
11/3/2010 7:00 AM T M M M M
11/4/2010 7:00 AM 0.00 0.0 M M M
11/5/2010 7:00 AM 0.69 M M M M
11/6/2010 7:00 AM 0.16 M M M M
11/7/2010 8:00 AM 0.00 0.0 M M M
11/8/2010 7:00 AM T T M T M
11/9/2010 7:00 AM 0.89 1.5 M 2.0 M Mostly Sleet.
11/10/2010 6:00 AM 0.02 M M 1.0 M
11/11/2010 7:00 AM 0.00 0.0 M 0.5 M
11/12/2010 6:30 AM 0.00 0.0 M T M
11/13/2010 7:00 AM 0.00 0.0 M T M
11/14/2010 9:00 AM 0.00 0.0 M T M Still some snow/ice hanging in the shade.
11/15/2010 7:00 AM 0.01 M M M M
11/16/2010 7:00 AM 0.01 M M M M
11/17/2010 6:45 AM 0.30 M M M M Very Windy SE wind Est G50mph. Tree down in the driveway.
11/18/2010 6:00 AM 0.31 M M M M
11/19/2010 6:30 AM 0.01 0.2 M T M
11/20/2010 7:00 AM T T M M M
11/21/2010 7:00 AM T T M T M
11/22/2010 6:00 AM 0.01 T M M M Sleet overnight.
11/23/2010 6:00 AM 0.22 M M M M
11/24/2010 7:00 AM 0.16 0.1 M T M
11/25/2010 7:00 AM 0.00 0.0 M M M
11/26/2010 7:00 AM 0.17 T M 0.0 M
11/27/2010 7:00 AM 0.02 T M 0.0 M
11/28/2010 6:00 AM 0.06 1.3 M 1.0 M
11/29/2010 6:00 AM T T M 1.0 M
11/30/2010 7:00 AM 0.00 0.0 M 1.0 M
12/1/2010 7:00 AM 0.38 M M M M Very strong SE winds estimate gusts to 60 mph. A couple trees down around the yard and driveway. Lost power 330 - 7 am. Still windy at 940 am. 48 degrees.
12/2/2010 7:00 AM 0.68 1.2 M 1.0 M Lots of large trees down from the winds estimated G80mph. Uprooted and snapped. Power Out for 36 hours. Worst winds since I've lived here in 17 years.
12/3/2010 7:00 AM 0.02 0.2 M 0.5 M
12/4/2010 7:00 AM 0.02 0.4 M 1.0 M
12/5/2010 7:00 AM 0.18 2.2 M 4.0 M
12/6/2010 6:30 AM 0.05 2.8 M 5.0 M FLUFF!
12/7/2010 7:00 AM 0.54 20.0 M 22.0 M Couple more inches since obs time.
12/8/2010 6:00 AM 0.15 9.3 M 22.0 M 32.1" 3-day "storm" total and still snowing.
12/9/2010 6:00 AM 0.09 3.1 M 19.0 M
12/10/2010 7:00 AM 0.02 0.5 M 16.0 M
12/11/2010 7:00 AM 0.05 1.8 M 14.0 M
12/12/2010 8:30 AM T 0.0 M 12.0 M
12/13/2010 6:00 AM 0.89 0.0 M 2.0 M
12/14/2010 7:00 AM 0.80 6.8 M 9.0 M 2.5" @ 7 pm last night. Another 4.3" overnight...probably another .8 since obs time.
12/15/2010 6:00 AM 0.10 4.0 M 9.0 M 1.8" yesterday and 2.2" overnight.
12/16/2010 6:30 AM 0.14 2.2 M 9.0 M
12/17/2010 8:00 AM 0.14 2.4 M 10.0 M
12/18/2010 7:00 AM 0.01 0.3 M 9.0 M
12/19/2010 7:00 AM T T M 9.0 M
12/20/2010 9:00 AM T 0.1 M 8.0 M
12/21/2010 6:30 AM 0.02 0.6 M 8.0 M
12/22/2010 6:30 AM 0.07 0.7 M 8.0 M
12/23/2010 9:00 AM 0.56 6.1 M M M
12/24/2010 7:00 AM 0.04 0.6 M 12.0 M
12/25/2010 7:00 AM 0.00 0.0 M 12.0 M
12/26/2010 7:00 AM T 0.2 M 12.0 M
12/27/2010 8:00 AM 0.06 2.8 M 14.0 M Flurries now.
12/28/2010 7:00 AM 0.11 3.8 M 15.0 M Storm Total 6.6".
12/29/2010 9:00 AM 0.04 0.1 M 13.0 M Freezing Drizzle. Crusty snow.
12/30/2010 7:30 AM 0.02 0.3 M 13.0 M
12/31/2010 7:30 AM 0.00 0.0 M 12.0 M Temperature stayed above freezing overnight.
1/1/2011 7:00 AM 0.04 0.0 M 8.0 M Foggy.
1/2/2011 8:00 AM 0.22 0.0 M 3.0 M What a mess.
1/3/2011 7:00 AM T T M 3.0 M
1/4/2011 6:40 AM T T M 3.0 M
1/5/2011 6:00 AM 0.08 2.8 M 6.0 0.61
1/6/2011 6:30 AM 0.06 1.6 M 6.0 M
1/7/2011 8:00 AM T T M 5.0 M
1/8/2011 6:00 AM 0.12 2.8 M 8.0 M
1/9/2011 6:00 AM 0.09 2.8 M 8.0 M
1/10/2011 7:00 AM 0.23 11.8 M 17.0 M 6.3" @ 7 pm. 5.5" overnight...mostly before midnight. snowing at a rate of 2.5"/hr 7-8 pm. currently very light snow/flurries.
1/11/2011 6:00 AM 0.04 3.7 M 16.0 M Flurries now. 2.7" yesterday. 1" overnight.
1/12/2011 8:00 AM T 0.1 M 13.0 M
1/13/2011 8:00 AM 1.07 13.8 M 22.0 M Flurries. 1pm 5.3"/.47" 7pm 4.3/.47 8am 4.2/.13.
1/14/2011 6:30 AM 0.02 1.8 M 21.0 M Snow extremely light. 1.2" @ 7 pm yesterday. 0.6" overnight. 120.7" so far this winter.
1/15/2011 7:00 AM 0.03 1.1 M 20.0 M
1/16/2011 8:00 AM 0.11 3.3 M 21.0 M
1/17/2011 8:00 AM 0.03 0.6 M 20.0 M
1/18/2011 6:45 AM 0.00 0.0 M 18.0 2.82
1/19/2011 7:00 AM 0.25 2.1 M 18.0 M A light crust on the snow.
1/20/2011 6:00 AM 0.07 1.6 M 18.0 M Very light perfect dendrite flakes drifting down.
1/21/2011 7:00 AM 0.11 1.2 M 19.0 M
1/22/2011 7:00 AM 0.06 0.7 M 19.0 M
1/23/2011 7:00 AM 0.04 0.4 M 19.0 M
1/24/2011 6:00 AM T T M 18.0 M -22F
1/25/2011 6:30 AM 0.03 0.6 M 18.0 M
1/26/2011 7:00 AM 0.02 0.5 M 18.0 M
1/27/2011 7:00 AM T T M 17.5 M
1/28/2011 7:00 AM T T M 17.0 M
1/29/2011 7:00 AM 0.02 0.7 M 17.0 M
1/30/2011 9:00 AM 0.04 0.8 M 17.5 M
1/31/2011 6:30 AM 0.01 0.5 M 17.5 M
2/1/2011 7:00 AM 0.00 0.0 M 17.0 M
2/2/2011 6:00 AM 0.28 4.8 M 21.0 3.83 3.5" Snow (.13 liquid) Yesterday through 7 pm. Snow stopped and started back up this morning. 1.3" of new snow (.15" liquid) this morning at 6 am. Total SWE of snow pack is 3.83".
2/3/2011 7:00 AM 0.56 10.4 M 28.0 M Storm Total (part II) 11.7" (~4 am Wed - 7 am Thu). 6 am -1 pm yesterday 4". 1-8 pm 3.3" 7.3" total yesterday 6am-8pm (.47") 8pm -7 am today 3.1" (.09") Two day/part Storm Total 15.2". Whew...Oh yeah Flurries now.
2/4/2011 7:00 AM T T M 26.0 M
2/5/2011 7:00 AM 0.00 0.0 M 24.0 M
2/6/2011 7:00 AM 1.02 8.3 M 30.0 M Lightning and Thunder 930 pm.
2/7/2011 7:00 AM 0.02 0.3 M 28.0 M
2/8/2011 7:00 AM 0.32 4.1 M 31.0 M
2/9/2011 7:00 AM 0.20 3.4 M 31.0 6.12
2/10/2011 7:00 AM 0.02 0.5 M 30.0 M
2/11/2011 7:00 AM T 0.1 M 29.0 M
2/12/2011 9:00 AM 0.00 0.0 M 28.0 M
2/13/2011 9:00 AM 0.01 0.4 M 27.0 M
2/14/2011 7:00 AM T T M 26.0 M
2/15/2011 7:00 AM 0.12 2.8 M 26.0 M
2/16/2011 7:00 AM 0.00 0.0 M 25.0 5.70
2/17/2011 7:00 AM 0.00 0.0 M 24.0 M
2/18/2011 7:00 AM 0.06 0.0 M 20.0 M
2/19/2011 7:00 AM 0.04 0.7 M 17.0 M Very Windy all night long. Small pine limbs down all over.
2/20/2011 8:00 AM 0.02 0.3 M 17.0 M
2/21/2011 7:00 AM 0.10 2.2 M 19.0 M
2/22/2011 7:00 AM T T M 18.0 M
2/23/2011 7:00 AM 0.00 0.0 M 18.0 M
2/24/2011 7:00 AM 0.00 0.0 M 18.0 M
2/25/2011 8:00 AM T T M 17.0 M
2/26/2011 7:00 AM 0.58 9.9 M 26.0 M
2/27/2011 9:00 AM 0.14 1.4 M 25.0 M
2/28/2011 8:00 AM 0.11 0.1 M 23.0 M A bit of snow, sleet, and freezing rain. Strong and Gusty SE winds. Est G40 mph.
3/1/2011 8:00 AM 0.18 0.3 M 22.5 M Most of the accumulation was a crusty mix of freezing rain sleet and snow on top.
3/2/2011 7:00 AM 0.00 0.0 M 22.0 M
3/3/2011 8:00 AM 0.03 0.5 M 22.0 5.92
3/4/2011 8:00 AM 0.00 0.0 M 22.0 M
3/5/2011 7:00 AM 0.00 0.0 M M M
3/6/2011 8:00 AM 0.01 0.0 M 14.0 M
3/7/2011 7:00 AM 2.72 20.5 2.72 34.0 M Some glaze ice (~0.25") on surfaces, trees, lines etc. due to ZR/IP before the snow began. 2.8" Snow/0.62" liquid@ 2 pm, some ZR/IP. 6" Snow/0.66" liquid @ midnight. 11.7" Snow/1.44" liquid @ 7 a.m. The liquid @ 7 a.m determined by snow core since the gage overflowed.
3/8/2011 8:00 AM 0.41 6.5 M 39.0 M Storm Total Snow 27.0" Storm Total QPF 3.13". New seasonal snowfall record 212.3" breaks the old record of 205.8" set in 2000-2001.
3/9/2011 7:00 AM 0.00 0.0 M 35.0 M
3/10/2011 8:00 AM 0.02 0.2 M 33.0 M Estimated snowfall using 10:1 ratio, very windy overnight and now. Some sleet/rain mixed in with the snow.
3/11/2011 9:00 AM 0.11 T M 25.0 M Very windy last night. Est G60 mph.
3/12/2011 8:00 AM 0.41 1.8 M 20.0 M
3/13/2011 9:00 AM 0.11 0.1 M 19.0 M
3/14/2011 7:00 AM 0.07 T M 18.0 M Freezing Drizzle and Flurries overnight. Glaze on the deck, cars, roads, etc.
3/15/2011 8:00 AM 0.00 0.0 M 17.0 M
3/16/2011 8:00 AM 0.07 0.2 M 17.0 M
3/17/2011 7:00 AM 0.01 0.0 M 16.0 M
3/18/2011 7:00 AM 0.01 0.0 M 13.0 M
3/19/2011 9:00 AM 0.03 0.5 M 11.0 M
3/20/2011 7:00 AM T T M 11.0 M
3/21/2011 7:00 AM 0.00 0.0 M M M
3/22/2011 7:00 AM 0.28 3.4 M 13.0 M
3/23/2011 8:00 AM 0.01 0.2 M 13.0 M
3/24/2011 7:00 AM 0.00 0.0 M 13.0 M
3/25/2011 7:00 AM 0.01 0.3 M 13.0 M
3/26/2011 7:00 AM T T M 13.0 M
3/27/2011 7:00 AM T T M 13.0 M
3/28/2011 7:00 AM 0.00 0.0 M 12.0 M
3/29/2011 8:00 AM T T M 12.0 M
3/30/2011 8:30 AM 0.03 1.0 M 12.0 M
3/31/2011 7:00 AM 0.00 0.0 M 11.0 M
4/1/2011 7:00 AM 0.00 0.0 M 10.0 M
4/2/2011 8:00 AM 0.32 1.8 M 11.0 M
4/3/2011 7:00 AM 0.00 0.0 M 10.0 M
4/4/2011 7:00 AM 0.00 0.0 M 9.0 M
4/5/2011 7:00 AM 0.34 0.0 M 5.0 M
4/6/2011 7:00 AM 0.68 1.1 M 6.0 M
4/7/2011 7:00 AM T T M 5.0 M
4/8/2011 7:00 AM 0.00 0.0 M 4.0 M
4/9/2011 7:00 AM 0.00 0.0 M 2.0 M
4/10/2011 8:30 AM 0.00 0.0 M T M
4/11/2011 7:00 AM 0.53 0.0 M T M Thunder now and last night too.
4/12/2011 7:00 AM 0.58 0.0 M T M
4/13/2011 7:00 AM T M M M M Windy overnight and this morning. Starting to diminish after the rain started.
4/14/2011 7:00 AM 0.33 M M M M
4/15/2011 7:00 AM 0.01 M M M M
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 9:00 AM 0.40 T M 0.0 M
4/18/2011 7:00 AM 0.07 0.1 M T M
4/19/2011 9:00 AM T M M M M
4/20/2011 9:00 AM 0.62 M M M M Thunder earlier. Windy Est G40 mph. Power went out at 9 a.m.
4/21/2011 7:00 AM 0.07 T M 0.0 M
4/22/2011 7:00 AM 0.04 T M 0.0 M
4/23/2011 7:30 AM 0.05 T M T M snowing and windy.
4/24/2011 7:00 AM 0.12 T M 0.0 M
4/25/2011 7:00 AM 0.00 0.0 M M M
4/26/2011 7:00 AM 0.46 M M M M
4/27/2011 7:00 AM 2.22 M M M M Numerous thunderstorms 6pm-midnight. Many roads and driveways washed out. Browns and Winooski rivers flooding this morning.
4/28/2011 7:00 AM 0.62 M M M M
4/29/2011 7:00 AM 0.57 M M M M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM 0.00 0.0 M M M
5/2/2011 7:00 AM 0.00 0.0 M M M
5/3/2011 6:30 AM 0.07 M M M M
5/4/2011 7:00 AM 1.44 0.0 M 0.0 M
5/5/2011 7:00 AM 0.54 M M M M
5/6/2011 7:00 AM 0.25 M M M M
5/7/2011 7:00 AM 0.00 0.0 M M M
5/8/2011 8:00 AM T M M M M
5/9/2011 7:00 AM 0.00 0.0 M M M
5/10/2011 7:00 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 7:00 AM 0.00 0.0 M M M
5/13/2011 7:00 AM 0.00 0.0 M M M
5/14/2011 6:00 AM T M M M M
5/15/2011 8:30 AM 1.12 M M M M
5/16/2011 6:30 AM 0.70 M M M M
5/17/2011 7:00 AM 0.65 M M M M
5/18/2011 7:00 AM 0.02 M M M M
5/19/2011 6:00 AM 0.01 M M M M
5/20/2011 8:00 AM 0.06 M M M M
5/21/2011 9:00 AM 0.94 M M M M Numerous thunderstorms yesterday.
5/22/2011 7:00 AM 0.29 M M M M Thunderstorm 3-4 pm yesterday.
5/23/2011 7:00 AM 0.01 M M M M
5/24/2011 7:00 AM 0.09 M M M M
5/25/2011 7:00 AM T M M M M
5/26/2011 7:00 AM 0.00 0.0 M M M
5/27/2011 9:00 AM 1.26 M M M M Numerous thunderstorms yesterday. Pea sized hail 5-6 pm. Tree struck and splintered by lightning later in the evening.
5/28/2011 8:00 AM 1.14 M M M M Thunderstorm yesterday evening.
5/29/2011 6:00 AM 0.24 M M M M
5/30/2011 9:00 AM 0.71 M M M M showers yesterday morning. numerous thunderstorms yesterday evening.
5/31/2011 7:00 AM 0.00 0.0 M M M
6/1/2011 8:00 AM 0.18 M M M M A few 1/2" Hail. Some 1/4" in a thunderstorm this morning.
6/2/2011 7:00 AM 0.02 M M M M
6/3/2011 9:00 AM 0.14 M M M M
6/4/2011 9:00 AM 0.00 0.0 M M M
6/5/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.07 M M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 6:00 AM 0.00 0.0 M M M
6/9/2011 7:00 AM 0.15 M M M M Some light fog. Numerous thunderstorms...11 pm -1 am. and again early this morning. No direct hits.
6/10/2011 8:00 AM 0.14 M M M M More thunder yesterday.
6/11/2011 8:00 AM 0.00 0.0 M M M
6/12/2011 8:00 AM 0.68 M M M M Thunderstorms last night.
6/13/2011 6:45 AM 0.21 M M M M
6/14/2011 8:00 AM 0.02 M M M M
6/15/2011 7:00 AM 0.02 M M M M
6/16/2011 7:00 AM 0.00 0.0 M M M
6/17/2011 7:00 AM 0.00 0.0 M M M
6/18/2011 7:00 AM 0.24 M M M M
6/19/2011 9:00 AM 0.48 M M M M Thunder yesterday. Maybe some hail with some leaves knocked off trees but no evidence of wind.
6/20/2011 7:00 AM 0.00 0.0 M M M
6/21/2011 6:30 AM 0.00 0.0 M M M
6/22/2011 7:00 AM 0.00 0.0 M M M
6/23/2011 6:30 AM 0.23 M M M M
6/24/2011 6:45 AM 0.22 M M M M intermittent light rain and drizzle. breezy.
6/25/2011 8:00 AM 0.42 M M M M
6/26/2011 8:00 AM 0.47 M M M M
6/27/2011 7:30 AM 0.01 M M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 6:00 AM T M M M M
6/30/2011 7:00 AM 0.28 M M M M
7/1/2011 9:00 AM 0.11 M M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 6:00 AM 0.00 0.0 M M M
7/4/2011 8:00 AM 0.58 M M M M Thunder 7-8 a.m. and 9-midnight last night.
7/5/2011 8:00 AM 0.00 0.0 M M M
7/6/2011 7:00 AM 0.00 0.0 M M M
7/7/2011 9:00 AM 1.60 M M M M Thunder 3-4 pm.
7/8/2011 9:00 AM 0.00 0.0 M M M
7/9/2011 9:00 AM 0.01 M M M M
7/10/2011 9:00 AM 0.00 0.0 M M M
7/11/2011 9:00 AM 0.00 0.0 M M M
7/12/2011 6:30 AM 0.50 M M M M
7/13/2011 7:00 AM 0.05 M M M M
7/14/2011 6:00 AM 0.57 M M M M
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/18/2011 7:00 AM 0.17 M M M M
7/19/2011 7:00 AM 0.00 0.0 M M M
7/20/2011 7:00 AM 0.00 0.0 M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/23/2011 7:00 AM 0.13 M M M M
7/24/2011 7:00 AM 0.20 M M M M
7/25/2011 8:00 AM 0.00 0.0 M M M
7/26/2011 7:00 AM 0.07 M M M M
7/27/2011 7:00 AM 0.11 M M M M
7/28/2011 7:00 AM 0.00 0.0 M M M
7/29/2011 7:00 AM 0.00 0.0 M M M
7/30/2011 9:00 AM 0.32 M M M M
7/31/2011 8:30 AM 0.00 0.0 M M M
8/1/2011 8:00 AM 0.00 0.0 M M M
8/2/2011 7:00 AM 0.02 M M M M
8/3/2011 9:00 AM 0.15 M M M M
8/4/2011 7:00 AM 0.00 0.0 M M M
8/5/2011 7:00 AM 0.00 0.0 M M M
8/6/2011 7:00 AM 0.00 0.0 M M M
8/7/2011 8:00 AM 0.02 M M M M
8/8/2011 7:00 AM 0.16 M M M M
8/9/2011 7:00 AM 0.00 0.0 M M M
8/10/2011 7:00 AM 0.62 M M M M Thunderstorms last evening and gusty SE wind to E35 mph. One tree limb down in the driveway.
8/11/2011 7:00 AM 0.04 M M M M
8/12/2011 8:00 AM 0.11 M M M M
8/13/2011 9:00 AM 0.00 0.0 M M M
8/14/2011 8:30 AM 0.00 0.0 M M M
8/15/2011 9:00 AM 0.18 M M M M
8/16/2011 7:00 AM 1.32 M M M M
8/17/2011 7:00 AM 0.00 0.0 M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.03 M M M M
8/20/2011 7:00 AM 0.00 0.0 M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.60 M M M M
8/23/2011 7:00 AM 0.16 M M M M
8/24/2011 7:00 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.12 M M M M
8/27/2011 7:00 AM 0.00 0.0 M M M
8/28/2011 7:00 AM 0.60 M M M M
8/29/2011 7:00 AM 4.26 M M M M 4.86" Irene Storm Total.
8/30/2011 7:00 AM 0.00 0.0 M M M
8/31/2011 7:00 AM 0.04 M M M M
9/1/2011 7:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM T M M M M
9/3/2011 7:00 AM 0.00 0.0 M M M
9/4/2011 8:00 AM 0.00 0.0 M M M
9/5/2011 9:00 AM 0.49 M M M M Thunder with 3/8" hail 345 pm yesterday.
9/6/2011 7:00 AM 1.94 M M M M
9/7/2011 6:30 AM 0.03 M M M M
9/8/2011 7:00 AM 0.43 M M M M
9/9/2011 6:45 AM 0.00 0.0 M M M Dense Fog earlier is dissipating.
9/10/2011 7:00 AM 0.00 0.0 M M M
9/11/2011 7:00 AM 0.00 0.0 M M M
9/12/2011 8:00 AM 0.00 0.0 M M M
9/13/2011 8:00 AM 0.00 0.0 M M M
9/14/2011 7:00 AM 0.25 M M M M Occasional Thunder 8-11 pm.
9/15/2011 7:15 AM 0.03 M M M M
9/16/2011 7:00 AM 0.70 M M M M
9/17/2011 7:00 AM 0.00 0.0 M M M
9/18/2011 9:00 AM 0.00 0.0 M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.23 M M M M
9/21/2011 7:00 AM 0.16 M M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.06 M M M M
9/24/2011 7:00 AM 0.39 M M M M
9/25/2011 7:00 AM 0.04 M M M M
9/26/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM 0.00 0.0 M M M
9/28/2011 7:00 AM 0.00 0.0 M M M
9/29/2011 7:00 AM 0.03 M M M M SE Breeze last 36 hrs. ~G25 or so.
9/30/2011 7:00 AM 1.10 M 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
4/26/2011 7:00 PM 1/4" Pea Size 1/4" Pea Size Rice Hard|Clear Ice 3min no damage Intermittent True After rain Same time as smaller hail 10-20
5/26/2011 6:00 PM Time approximate. 1/4" Pea Size 1/4" Pea Size 1/4" Pea Size Hard 5 10min no damage Intermittent False
6/1/2011 7:12 AM Just a few hailstones. 1/2" Grape 3/8" 1/4" Pea Size Hard|Clear Ice|White Ice 1 1min no damage Intermittent False After rain Same time as smaller hail
8/21/2011 5:50 PM Hail covered the ground. 1/2" Grape 3/8" 1/4" Pea Size Hard 15 3min shredded leaves Continuous False Same time as rain Same time as smaller hail 10-20
9/4/2011 3:45 PM 3/8" 3/8" 1/4" Pea Size Hard 5 3min no damage Intermittent True After rain Same time as smaller hail 10-20