Station Overview Station Location
Station Number NY-ER-4 Latitude 43.021609
Station Name Williamsville 4.1 N Longitude -78.743216
County Erie Elevation (ft) 604



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 3.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 09 3.71 0.40 4 0.40 4 0.00 0 0 1 0 0.0 0 0
Dec 09 3.45 7.58 59 7.58 28 0.00 31 1 21 0 26.4 16 21
Jan 10 2.78 0.46 38 0.46 7 0.00 31 1 6 0 35.5 16 30
Feb 10 2.36 0.00 28 0.00 0 0.00 28 1 0 0 13.1 17 21
March 10 2.77 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 3
April 10 3.15 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 10 3.19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 10 3.63 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 10 3.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 10 3.20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 10 3.80 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 38.78" 8.44" 129 days 8.44" 39 0.00" 90 days 3 28 days 0 days 75.0" 49 days 75 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
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009
10/10/2009
10/11/2009
10/12/2009
10/13/2009
10/14/2009
10/15/2009
10/16/2009
10/17/2009
10/18/2009
10/19/2009
10/20/2009
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009
10/26/2009
10/27/2009
10/28/2009
10/29/2009
10/30/2009
10/31/2009
11/1/2009
11/2/2009
11/3/2009
11/4/2009
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009
11/10/2009
11/11/2009 0.00
11/12/2009 0.00
11/13/2009
11/14/2009 0.00
11/15/2009
11/16/2009
11/17/2009
11/18/2009
11/19/2009
11/20/2009
11/21/2009
11/22/2009
11/23/2009
11/24/2009
11/25/2009
11/26/2009
11/27/2009
11/28/2009
11/29/2009 0.40
11/30/2009
12/1/2009 **
12/2/2009 0.20 **
12/3/2009 0.00 **
12/4/2009 0.20 **
12/5/2009 **
12/6/2009 0.10 **
12/7/2009 **
12/8/2009 0.15 **
12/9/2009 0.60 **
12/10/2009 1.40 **
12/11/2009 0.30 **
12/12/2009 0.00 **
12/13/2009 0.00 **
12/14/2009 0.40 **
12/15/2009 0.40 **
12/16/2009 0.58 **
12/17/2009 0.03 **
12/18/2009 0.10 **
12/19/2009 0.00 **
12/20/2009 0.00 **
12/21/2009 0.00 **
12/22/2009 0.10 **
12/23/2009 0.10 **
12/24/2009 0.04 **
12/25/2009 0.00 **
12/26/2009 0.81 **
12/27/2009 0.60 **
12/28/2009 0.63 **
12/29/2009 0.53 **
12/30/2009 0.01 **
12/31/2009 0.30 M
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.09 **
1/2/2010 0.04 **
1/3/2010 0.11 **
1/4/2010 0.12 **
1/5/2010 0.03 **
1/6/2010 0.07 **
1/7/2010 M **
1/8/2010 M **
1/9/2010 M **
1/10/2010 0.00 **
1/11/2010 M **
1/12/2010 M **
1/13/2010 M **
1/14/2010 M **
1/15/2010 M **
1/16/2010 M **
1/17/2010 M **
1/18/2010 M **
1/19/2010 M **
1/20/2010 M **
1/21/2010 M **
1/22/2010 M **
1/23/2010 M **
1/24/2010 M **
1/25/2010 M **
1/26/2010 M **
1/27/2010 M **
1/28/2010 M **
1/29/2010 M **
1/30/2010 M **
1/31/2010 M M
2/1/2010 M **
2/2/2010 M **
2/3/2010 M **
2/4/2010 M **
2/5/2010 M **
2/6/2010 M **
2/7/2010 M **
2/8/2010 **
2/9/2010 M **
2/10/2010 M **
2/11/2010 M **
2/12/2010 M **
2/13/2010 M **
2/14/2010 M **
2/15/2010 M **
2/16/2010 M **
2/17/2010 M **
2/18/2010 M **
2/19/2010 M **
2/20/2010 M **
2/21/2010 M **
2/22/2010 M **
2/23/2010 M **
2/24/2010 M **
2/25/2010 M **
2/26/2010 M **
2/27/2010 M **
2/28/2010 M M
3/1/2010 M
3/2/2010 M
3/3/2010 M
3/4/2010
3/5/2010 M
3/6/2010 M
3/7/2010 M
3/8/2010 M
3/9/2010 M
3/10/2010 M
3/11/2010 M
3/12/2010 M
3/13/2010 M
3/14/2010 M
3/15/2010 M
3/16/2010 M
3/17/2010 M
3/18/2010 M
3/19/2010 M
3/20/2010 M
3/21/2010 M
3/22/2010 M
3/23/2010 M
3/24/2010
3/25/2010 M
3/26/2010 M
3/27/2010 M
3/28/2010 M
3/29/2010
3/30/2010
3/31/2010 M
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010
4/9/2010
4/10/2010
4/11/2010
4/12/2010
4/13/2010
4/14/2010
4/15/2010
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010
4/23/2010
4/24/2010
4/25/2010
4/26/2010
4/27/2010
4/28/2010
4/29/2010
4/30/2010
5/1/2010
5/2/2010
5/3/2010
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010
5/13/2010
5/14/2010
5/15/2010
5/16/2010
5/17/2010
5/18/2010
5/19/2010
5/20/2010
5/21/2010
5/22/2010
5/23/2010
5/24/2010
5/25/2010
5/26/2010
5/27/2010
5/28/2010
5/29/2010
5/30/2010
5/31/2010
6/1/2010
6/2/2010
6/3/2010
6/4/2010
6/5/2010
6/6/2010
6/7/2010
6/8/2010
6/9/2010
6/10/2010
6/11/2010
6/12/2010
6/13/2010
6/14/2010
6/15/2010
6/16/2010
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010
7/21/2010
7/22/2010
7/23/2010
7/24/2010
7/25/2010
7/26/2010
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010
8/2/2010
8/3/2010
8/4/2010
8/5/2010
8/6/2010
8/7/2010
8/8/2010
8/9/2010
8/10/2010
8/11/2010
8/12/2010
8/13/2010
8/14/2010
8/15/2010
8/16/2010
8/17/2010
8/18/2010
8/19/2010
8/20/2010
8/21/2010
8/22/2010
8/23/2010
8/24/2010
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010
9/8/2010
9/9/2010
9/10/2010
9/11/2010
9/12/2010
9/13/2010
9/14/2010
9/15/2010
9/16/2010
9/17/2010
9/18/2010
9/19/2010
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010
9/27/2010
9/28/2010
9/29/2010
9/30/2010



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/11/2009 9:00 AM 0.00 0.0 M 0.0 M
11/12/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.00 0.0 M M M no precipitation for the last few days
11/29/2009 7:00 PM 0.40 0.0 0.00 0.0 0.00
12/2/2009 7:30 AM 0.20 2.1 0.20 2.1 0.20 snow began at 4:10. heaviest snow batween 4:20 and 5:00. tapered off to flurries ending at 6:05
12/3/2009 7:00 AM 0.00 0.0 0.00 0.0 0.20 previous snow melt . rain .36 no snow cover. no floooding
12/4/2009 7:00 AM 0.20 2.9 0.40 1.9 0.10
12/6/2009 7:00 AM 0.10 0.0 0.01 M M no precipitation recorded yesterday 12/5/09
12/8/2009 7:00 AM 0.15 2.1 0.21 1.7 0.10 light snow began about 3 p.m. and continued intermitently throughout the remainder of the day
12/9/2009 7:00 AM 0.60 0.3 0.30 0.0 0.00 a mixture of rain and grapple began around 5a.m.
12/10/2009 7:00 AM 1.40 2.4 M 1.8 M thunder snow occurred at 4:20 A.M.
12/11/2009 7:00 AM 0.30 1.9 0.00 1.3 0.10
12/12/2009 7:00 AM 0.00 0.0 0.00 0.5 0.15 no measurbable precipitation during the time period
12/13/2009 7:00 AM 0.00 0.0 0.00 0.2 M
12/14/2009 7:00 AM 0.40 0.0 0.00 0.0 0.00
12/15/2009 7:00 AM 0.40 0.0 0.00 0.0 0.00
12/16/2009 7:00 AM 0.58 2.1 0.40 1.0 0.10
12/17/2009 7:00 AM 0.03 1.6 0.03 1.4 0.03
12/18/2009 7:00 AM 0.10 1.2 0.10 1.0 0.02
12/19/2009 7:00 AM 0.00 0.0 0.00 0.2 M
12/20/2009 7:00 AM 0.00 0.0 0.00 0.1 M
12/21/2009 7:00 AM 0.00 0.0 0.00 0.1 M
12/22/2009 7:00 AM 0.10 0.4 0.08 0.4 0.08
12/23/2009 7:00 AM 0.10 0.6 0.10 0.5 M
12/24/2009 7:00 AM 0.04 0.9 0.05 0.7 0.05
12/25/2009 7:00 AM 0.00 0.0 0.00 0.5 0.07
12/26/2009 7:00 AM 0.81 0.0 0.00 0.0 0.00
12/27/2009 7:00 AM 0.60 0.1 0.01 0.0 0.00 fROZEN FOG OVERNIGHT. Everything ice coated in theA.M.Rain, heavy at times inlate morning. Changing to light snow around1P.M.
12/28/2009 7:00 AM 0.63 2.8 0.48 2.1 0.31
12/29/2009 7:00 AM 0.53 4.5 0.51 5.9 0.64
12/30/2009 7:00 AM 0.01 0.5 0.05 5.8 0.06
12/31/2009 7:00 AM 0.30 0.0 0.00 4.1 0.50
1/1/2010 7:00 AM 0.09 0.2 M 1.8 1.10
1/2/2010 7:00 AM 0.04 2.9 0.17 2.3 M
1/3/2010 7:00 AM 0.11 4.6 0.11 5.7 M light snow began at 2:50 P.M. Heavy snow began about 4:30A.m
1/4/2010 7:00 AM 0.12 10.4 0.94 15.6 M
1/5/2010 7:00 AM 0.03 2.6 0.05 16.2 M
1/6/2010 7:00 AM 0.07 1.1 0.04 15.8 M
1/7/2010 7:00 AM M 0.1 M 7.8 M
1/8/2010 7:00 AM M 2.1 M 8.9 M
1/9/2010 7:00 AM M 1.9 M 8.7 M
1/10/2010 7:00 AM 0.00 0.0 M 5.9 M
1/11/2010 7:00 AM M 0.0 M 5.4 M
1/12/2010 7:00 AM M 0.3 M 4.3 M
1/13/2010 7:00 AM M 0.0 M 3.4 M
1/14/2010 7:00 AM M 0.0 M 3.1 M
1/15/2010 7:00 AM M 0.0 M 2.1 M
1/16/2010 7:00 AM M 0.0 M 1.2 M
1/17/2010 7:00 AM M 0.0 M 0.7 M
1/18/2010 7:00 AM M 0.0 M 0.4 M
1/19/2010 7:00 AM M 0.0 M 0.3 M
1/20/2010 7:00 AM M 0.6 M 0.9 M
1/21/2010 7:00 AM M 0.0 M 0.7 M
1/22/2010 7:00 AM M 0.0 M 0.5 M
1/23/2010 7:00 AM M 0.0 M 0.2 M
1/24/2010 7:00 AM M 0.0 M 0.1 M
1/25/2010 7:00 AM M 0.0 M 0.0 M
1/26/2010 7:00 AM M 0.2 M 0.2 M
1/27/2010 7:00 AM M 0.7 M 0.8 M
1/28/2010 7:00 AM M 3.3 M 4.0 M
1/29/2010 7:00 AM M 4.3 M 8.1 M
1/30/2010 7:00 AM M 0.2 M 8.0 M
1/31/2010 7:00 AM M 0.0 M 7.4 M
2/1/2010 7:00 AM M 0.3 M 6.4 M
2/2/2010 7:00 AM M 0.0 M 4.7 M
2/3/2010 7:00 AM M 0.4 M 3.4 M
2/4/2010 7:00 AM M 0.2 M 2.9 M
2/5/2010 7:00 AM M 0.0 M 2.3 M
2/6/2010 7:00 AM M 0.0 M 1.9 M
2/7/2010 7:00 AM M 0.0 M 1.5 M
2/9/2010 7:00 AM M 0.2 M 1.4 M
2/10/2010 7:00 AM M 0.6 M 1.9 M
2/11/2010 7:00 AM M 1.5 M 2.9 M
2/12/2010 7:00 AM M 0.0 M 2.3 M
2/13/2010 7:00 AM M 0.5 M 2.4 M
2/14/2010 7:00 AM M 0.6 M 2.7 M
2/15/2010 7:00 AM M 0.0 M 2.3 M
2/16/2010 7:00 AM M 0.0 M 1.8 M
2/17/2010 7:00 AM M 0.0 M 1.3 M
2/18/2010 7:00 AM M 2.9 M 3.9 M
2/19/2010 7:00 AM M 0.4 M 3.1 M
2/20/2010 7:00 AM M 0.0 M 2.4 M
2/21/2010 7:00 AM M 0.0 M 1.1 M
2/22/2010 7:00 AM M 0.3 M M M
2/23/2010 7:00 AM M 0.5 M M M
2/24/2010 7:00 AM M 0.3 M 1.1 M
2/25/2010 7:00 AM M 1.1 M M M
2/26/2010 7:00 AM M 2.4 M M M
2/27/2010 7:00 AM M 0.6 M M M
2/28/2010 7:00 AM M 0.3 M M M
3/1/2010 7:00 AM M 0.0 M 1.9 M
3/2/2010 7:00 AM M 0.0 M M M
3/3/2010 7:00 AM M 0.0 M M M
3/5/2010 7:00 AM M 0.0 M 1.2 M
3/6/2010 7:00 AM M 0.0 M 0.7 M
3/7/2010 7:00 AM M 0.0 M M M
3/8/2010 7:00 AM M 0.0 M M M
3/9/2010 7:00 AM M 0.0 M M M
3/10/2010 7:00 AM M 0.0 M M M
3/11/2010 7:00 AM M 0.0 M M M
3/12/2010 7:00 AM M 0.0 M M M
3/13/2010 7:00 AM M 0.0 M 0.0 M
3/14/2010 7:00 AM M 0.0 M M M
3/15/2010 7:00 AM M 0.0 M M M
3/16/2010 7:00 AM M 0.0 M M M
3/17/2010 7:00 AM M 0.0 M M M
3/18/2010 7:00 AM M 0.0 M M M
3/19/2010 7:00 AM M 0.0 M M M
3/20/2010 7:00 AM M 0.0 M M M
3/21/2010 7:00 AM M 0.0 M M M
3/22/2010 7:00 AM M 0.0 M M M
3/23/2010 7:00 AM M 0.0 M M M
3/25/2010 7:00 AM M 0.0 M M M
3/26/2010 7:00 AM M 0.0 M M M
3/27/2010 7:00 AM M 0.0 M M M
3/28/2010 7:00 AM M 0.0 M M M
3/31/2010 7:00 AM M 0.0 M M M there was no measurable snow at this sight for the month of march



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/1/2009 12/31/2009 12:00 AM 31 M 26.2 M
1/1/2010 1/31/2010 7:00 AM 31 M 35.5 M
2/1/2010 2/28/2010 5:00 AM 28 M 13.1 M



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