Station Overview Station Location
Station Number NY-SF-30 Latitude 40.956185
Station Name Rocky Point 2.0 N Longitude -72.9196809
County Suffolk Elevation (ft) 197



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 15 3.94 3.84 11 3.84 11 0.00 0 0 9 1 0.0 0 0
Nov 15 3.99 2.67 8 1.57 5 1.10 3 1 5 0 0.0 0 0
Dec 15 3.95 4.89 31 4.89 31 0.00 0 0 15 4 0.0 0 0
Jan 16 3.61 2.77 9 2.77 9 0.00 0 0 8 1 11.9 3 4
Feb 16 3.15 4.84 13 4.84 13 0.00 0 0 12 1 15.7 5 6
March 16 4.53 3.33 13 3.33 13 0.00 0 0 11 2 2.9 2 2
April 16 4.39 2.83 12 2.83 12 0.00 0 0 11 1 0.0 0 0
May 16 3.91 4.08 18 4.08 18 0.00 0 0 17 1 0.0 0 0
June 16 4.16 2.24 10 2.24 10 0.00 0 0 8 2 0.0 0 0
July 16 3.62 3.32 10 3.32 10 0.00 0 0 10 0 0.0 0 0
Aug 16 3.93 1.31 8 1.31 8 0.00 0 0 8 0 0.0 0 0
Sept 16 3.91 2.51 22 2.51 22 0.00 0 0 9 1 0.0 0 0
Water Year Totals: 47.09" 38.63" 165 days 37.53" 162 1.10" 3 days 1 123 days 14 days 30.5" 10 days 12 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
10/1/2015 0.50
10/2/2015 0.20
10/3/2015 1.11
10/4/2015
10/5/2015
10/6/2015
10/7/2015
10/8/2015
10/9/2015
10/10/2015 0.37
10/11/2015
10/12/2015
10/13/2015 0.03
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015 T
10/20/2015
10/21/2015
10/22/2015
10/23/2015
10/24/2015
10/25/2015 0.03
10/26/2015 0.07
10/27/2015
10/28/2015
10/29/2015 1.50
10/30/2015 0.03
10/31/2015 0.00
11/1/2015
11/2/2015
11/3/2015
11/4/2015
11/5/2015
11/6/2015 0.03
11/7/2015
11/8/2015
11/9/2015
11/10/2015 **
11/11/2015 **
11/12/2015 1.10
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015
11/18/2015
11/19/2015
11/20/2015 1.42
11/21/2015
11/22/2015 0.02
11/23/2015 0.05
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015 0.05
11/30/2015
12/1/2015 0.01
12/2/2015 0.32
12/3/2015 0.12
12/4/2015 0.00
12/5/2015 0.00
12/6/2015 0.00
12/7/2015 0.00
12/8/2015 0.00
12/9/2015 0.00
12/10/2015 0.00
12/11/2015 0.01
12/12/2015 T
12/13/2015 0.00
12/14/2015 T
12/15/2015 0.61
12/16/2015 0.00
12/17/2015 0.04
12/18/2015 0.90
12/19/2015 T
12/20/2015 0.00
12/21/2015 0.00
12/22/2015 0.00
12/23/2015 0.32
12/24/2015 1.56
12/25/2015 T
12/26/2015 0.02
12/27/2015 0.19
12/28/2015 0.04
12/29/2015 0.25
12/30/2015 0.28
12/31/2015 0.22
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016
1/9/2016
1/10/2016 0.72
1/11/2016 0.35
1/12/2016
1/13/2016 0.03
1/14/2016 T
1/15/2016
1/16/2016 0.57
1/17/2016
1/18/2016 0.05
1/19/2016
1/20/2016
1/21/2016
1/22/2016
1/23/2016 0.72
1/24/2016 0.30
1/25/2016
1/26/2016
1/27/2016 0.03
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016 0.01
2/3/2016
2/4/2016 0.75
2/5/2016 0.60
2/6/2016 0.46
2/7/2016
2/8/2016 T
2/9/2016 0.49
2/10/2016 0.01
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016 0.60
2/17/2016 0.25
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016 0.12
2/23/2016
2/24/2016 0.50
2/25/2016 1.00
2/26/2016 0.05
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016 0.50
3/3/2016 0.04
3/4/2016 0.08
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016 0.06
3/12/2016
3/13/2016
3/14/2016 0.01
3/15/2016 1.41
3/16/2016 0.04
3/17/2016 0.20
3/18/2016 0.02
3/19/2016
3/20/2016
3/21/2016 0.15
3/22/2016 T
3/23/2016
3/24/2016
3/25/2016 T
3/26/2016
3/27/2016
3/28/2016 0.82
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016 0.46
4/3/2016 0.36
4/4/2016
4/5/2016 0.60
4/6/2016
4/7/2016 T
4/8/2016 0.25
4/9/2016
4/10/2016 0.08
4/11/2016
4/12/2016
4/13/2016 0.25
4/14/2016
4/15/2016
4/16/2016
4/17/2016
4/18/2016
4/19/2016
4/20/2016
4/21/2016
4/22/2016
4/23/2016 0.22
4/24/2016 0.01
4/25/2016
4/26/2016 0.51
4/27/2016 0.03
4/28/2016
4/29/2016
4/30/2016 0.06
5/1/2016 T
5/2/2016 0.15
5/3/2016 0.46
5/4/2016 0.16
5/5/2016 0.46
5/6/2016 0.53
5/7/2016 0.30
5/8/2016 0.05
5/9/2016 0.05
5/10/2016
5/11/2016
5/12/2016
5/13/2016
5/14/2016 0.30
5/15/2016
5/16/2016 0.01
5/17/2016
5/18/2016
5/19/2016 0.01
5/20/2016
5/21/2016
5/22/2016 0.10
5/23/2016 0.04
5/24/2016 0.35
5/25/2016 0.05
5/26/2016
5/27/2016
5/28/2016
5/29/2016
5/30/2016 1.00
5/31/2016 0.06
6/1/2016
6/2/2016
6/3/2016 T
6/4/2016 0.01
6/5/2016 T
6/6/2016 0.50
6/7/2016
6/8/2016 0.31
6/9/2016 0.40
6/10/2016
6/11/2016
6/12/2016 0.25
6/13/2016
6/14/2016
6/15/2016
6/16/2016
6/17/2016
6/18/2016
6/19/2016
6/20/2016
6/21/2016 0.66
6/22/2016
6/23/2016
6/24/2016
6/25/2016
6/26/2016
6/27/2016
6/28/2016 0.06
6/29/2016 0.05
6/30/2016
Day of YearDaily PrcpMultiday Prcp
7/1/2016
7/2/2016 0.40
7/3/2016
7/4/2016
7/5/2016 1.26
7/6/2016
7/7/2016
7/8/2016
7/9/2016
7/10/2016 0.02
7/11/2016 0.01
7/12/2016
7/13/2016
7/14/2016
7/15/2016 0.13
7/16/2016
7/17/2016
7/18/2016
7/19/2016 0.24
7/20/2016
7/21/2016
7/22/2016
7/23/2016
7/24/2016
7/25/2016
7/26/2016 0.25
7/27/2016
7/28/2016
7/29/2016 0.31
7/30/2016 0.66
7/31/2016 0.04
8/1/2016 0.02
8/2/2016 0.03
8/3/2016 0.23
8/4/2016
8/5/2016
8/6/2016
8/7/2016
8/8/2016
8/9/2016
8/10/2016 0.09
8/11/2016 0.05
8/12/2016 0.13
8/13/2016
8/14/2016
8/15/2016
8/16/2016
8/17/2016
8/18/2016
8/19/2016
8/20/2016
8/21/2016 0.61
8/22/2016 0.15
8/23/2016
8/24/2016
8/25/2016
8/26/2016
8/27/2016
8/28/2016
8/29/2016
8/30/2016
8/31/2016
9/1/2016 0.25
9/2/2016 0.06
9/3/2016 0.00
9/4/2016 0.00
9/5/2016 0.00
9/6/2016 0.01
9/7/2016 0.22
9/8/2016 0.10
9/9/2016 0.00
9/10/2016 0.00
9/11/2016 0.00
9/12/2016 0.00
9/13/2016 0.00
9/14/2016 0.00
9/15/2016 0.40
9/16/2016 0.00
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 T
9/20/2016 1.19
9/21/2016
9/22/2016
9/23/2016
9/24/2016
9/25/2016
9/26/2016
9/27/2016 0.25
9/28/2016 0.03
9/29/2016
9/30/2016



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 6:30 AM 0.50 M M M M
10/2/2015 7:00 AM 0.20 M M M M
10/3/2015 7:00 AM 1.11 M M M M
10/10/2015 7:00 AM 0.37 M M M M
10/13/2015 7:00 AM 0.03 M M M M
10/19/2015 7:00 AM T M M M M First snowfall. Flurries fell in the afternoon for about 15 minutes with no accumulation on the ground. Ground temperature was 44 F and snowfall occurred around 1pm.
10/25/2015 7:00 AM 0.03 M M M M
10/26/2015 7:00 AM 0.07 M M M M
10/29/2015 6:30 AM 1.50 M M M M
10/30/2015 7:00 AM 0.03 M M M M
10/31/2015 7:00 AM 0.00 0.0 M M M
11/6/2015 7:00 AM 0.03 M M M M
11/20/2015 7:00 AM 1.42 M M M M
11/22/2015 7:00 AM 0.02 M M M M
11/23/2015 7:00 AM 0.05 M M M M
11/29/2015 7:00 AM 0.05 M M M M
12/1/2015 7:00 AM 0.01 M M M M
12/2/2015 6:00 AM 0.32 M M M M
12/3/2015 7:00 AM 0.12 M M M M
12/4/2015 7:00 AM 0.00 0.0 M M M
12/5/2015 7:00 AM 0.00 0.0 M M M
12/6/2015 7:00 AM 0.00 0.0 M M M
12/7/2015 7:00 AM 0.00 0.0 M M M
12/8/2015 7:00 AM 0.00 0.0 M M M
12/9/2015 7:00 AM 0.00 0.0 M M M
12/10/2015 7:00 AM 0.00 0.0 M M M
12/11/2015 7:00 AM 0.01 M M M M
12/12/2015 7:00 AM T M M M M
12/13/2015 7:00 AM 0.00 0.0 M M M
12/14/2015 7:00 AM T M M M M
12/15/2015 7:00 AM 0.61 M M M M
12/16/2015 7:00 AM 0.00 0.0 M M M
12/17/2015 7:00 AM 0.04 M M M M
12/18/2015 7:00 AM 0.90 M M M M
12/19/2015 6:00 AM T M M M M
12/20/2015 7:00 AM 0.00 0.0 M M M
12/21/2015 7:00 AM 0.00 0.0 M M M
12/22/2015 7:00 AM 0.00 0.0 M M M
12/23/2015 7:00 AM 0.32 M M M M
12/24/2015 7:00 AM 1.56 M M M M
12/25/2015 7:00 AM T M M M M
12/26/2015 8:00 AM 0.02 M M M M
12/27/2015 7:00 AM 0.19 M M M M
12/28/2015 9:00 AM 0.04 M M M M
12/29/2015 7:00 AM 0.25 M M M M
12/30/2015 7:00 AM 0.28 M M M M
12/31/2015 7:00 AM 0.22 M M M M
1/10/2016 8:00 AM 0.72 M M M M
1/11/2016 7:00 AM 0.35 M M M M
1/13/2016 7:00 AM 0.03 M M M M
1/14/2016 6:30 AM T T M M M There was patchy and blowing snow on the roads in spots but there was no groundcover of snow on unpaved surfaces.
1/16/2016 10:00 AM 0.57 M M M M
1/18/2016 9:00 AM 0.05 0.5 M 0.5 M
1/23/2016 2:45 PM 0.72 7.4 M 7.4 1.15 gauge fell over in storm. Therefore melted value from gauge is unrepresentative. Average snow core value of 1.15. Also snow depth varies considerably in area due to windswept snow and obstructions.
1/24/2016 7:00 AM 0.30 4.0 M 10.2 M
1/27/2016 6:30 AM 0.03 M M 5.9 M
2/2/2016 7:00 AM 0.01 M M M M
2/4/2016 6:30 AM 0.75 M M M M
2/5/2016 6:30 AM 0.60 1.8 M 1.8 M This is from the rain and snow mixture so this will not a pure snow to liquid ratio
2/6/2016 8:00 AM 0.46 8.2 M 7.1 M
2/8/2016 6:30 AM T 0.1 M 3.2 M
2/9/2016 6:30 AM 0.49 4.1 0.49 3.6 M snow core from "new snowfall" was more representative, as gauge fell down in the wind during the event.
2/10/2016 7:00 AM 0.01 T M 3.0 M
2/16/2016 7:00 AM 0.60 1.5 M 0.5 M
2/17/2016 6:30 AM 0.25 M M T M
2/22/2016 7:00 AM 0.12 M M M M
2/24/2016 7:00 AM 0.50 T M M M
2/25/2016 7:00 AM 1.00 M M M M
2/26/2016 7:00 AM 0.05 M M M M
3/2/2016 6:30 AM 0.50 M M M M
3/3/2016 7:00 AM 0.04 M M M M
3/4/2016 4:45 PM 0.08 0.9 M 0.9 M
3/11/2016 7:00 AM 0.06 M M M M
3/14/2016 7:00 AM 0.01 M M M M
3/15/2016 7:00 AM 1.41 M M M M
3/16/2016 7:00 AM 0.04 M M M M
3/17/2016 7:00 AM 0.20 M M M M
3/18/2016 7:00 AM 0.02 M M M M
3/21/2016 7:00 AM 0.15 2.0 M 2.0 0.15 Funnel remained on top of the gauge and therefore a core value is being used as the liquid equivalent
3/22/2016 7:00 AM T M M M M
3/25/2016 7:00 AM T M M M M
3/28/2016 4:00 PM 0.82 M M M M
4/2/2016 7:00 PM 0.46 M M M M
4/3/2016 7:00 AM 0.36 T M T M
4/5/2016 7:00 AM 0.60 M M M M
4/7/2016 7:00 AM T M M M M
4/8/2016 7:00 AM 0.25 M M M M
4/10/2016 7:00 AM 0.08 M M M M
4/13/2016 7:00 AM 0.25 M M M M
4/23/2016 7:00 AM 0.22 M M M M
4/24/2016 7:00 AM 0.01 M M M M
4/26/2016 7:00 AM 0.51 M M M M
4/27/2016 7:00 AM 0.03 M M M M
4/30/2016 8:00 AM 0.06 M M M M
5/1/2016 8:00 AM T M M M M
5/2/2016 7:00 AM 0.15 M M M M
5/3/2016 7:00 AM 0.46 M M M M
5/4/2016 7:00 AM 0.16 M M M M
5/5/2016 7:00 AM 0.46 M M M M
5/6/2016 7:00 AM 0.53 M M M M
5/7/2016 9:00 AM 0.30 M M M M
5/8/2016 7:00 AM 0.05 M M M M
5/9/2016 7:00 AM 0.05 M M M M
5/14/2016 7:00 AM 0.30 M M M M
5/16/2016 7:00 AM 0.01 M M M M
5/19/2016 7:00 AM 0.01 M M M M
5/22/2016 7:00 AM 0.10 M M M M
5/23/2016 7:00 AM 0.04 M M M M
5/24/2016 7:00 AM 0.35 M M M M
5/25/2016 7:00 AM 0.05 M M M M
5/30/2016 7:00 AM 1.00 M M M M
5/31/2016 7:00 AM 0.06 M M M M
6/3/2016 7:00 AM T M M M M
6/4/2016 7:00 AM 0.01 M M M M
6/5/2016 7:00 AM T M M M M
6/6/2016 7:00 AM 0.50 M M M M
6/8/2016 7:00 AM 0.31 M M M M
6/9/2016 7:00 AM 0.40 M M M M
6/12/2016 7:00 AM 0.25 M M M M (edit: originally submitted 6/13/2016 2:46 PM as 0.25" on 6/11, amt is likely for 6/12 based on radar and nearby sites, switched dates - SGB 6/14/16)
6/21/2016 7:00 AM 0.66 M M M M
6/28/2016 7:00 AM 0.06 M M M M
6/29/2016 7:00 AM 0.05 M M M M Typo corrected.
7/2/2016 7:00 AM 0.40 M M M M
7/5/2016 7:00 AM 1.26 M M M M
7/10/2016 7:00 AM 0.02 M M M M
7/11/2016 7:00 AM 0.01 M M M M
7/15/2016 7:00 AM 0.13 M M M M 5PM t-storm
7/19/2016 7:00 AM 0.24 M M M M
7/26/2016 7:00 AM 0.25 M M M M
7/29/2016 7:00 AM 0.31 M M M M
7/30/2016 7:00 AM 0.66 M M M M
7/31/2016 7:00 AM 0.04 M M M M
8/1/2016 7:00 AM 0.02 M M M M
8/2/2016 7:00 AM 0.03 M M M M
8/3/2016 7:00 AM 0.23 M M M M
8/10/2016 7:00 AM 0.09 M M M M
8/11/2016 7:00 AM 0.05 M M M M
8/12/2016 7:00 AM 0.13 M M M M
8/21/2016 7:00 AM 0.61 M M M M
8/22/2016 7:00 AM 0.15 M M M M
9/1/2016 7:00 AM 0.25 M M M M
9/2/2016 7:00 AM 0.06 M M M M
9/3/2016 7:00 AM 0.00 0.0 M M M
9/4/2016 7:00 AM 0.00 0.0 M M M
9/5/2016 7:00 AM 0.00 0.0 M M M
9/6/2016 7:00 AM 0.01 M M M M
9/7/2016 7:00 AM 0.22 M M M M
9/8/2016 7:00 AM 0.10 M M M M
9/9/2016 7:00 AM 0.00 0.0 M M M
9/10/2016 7:00 AM 0.00 0.0 M M M
9/11/2016 7:00 AM 0.00 0.0 M M M
9/12/2016 7:00 AM 0.00 0.0 M M M
9/13/2016 7:00 AM 0.00 0.0 M M M
9/14/2016 7:00 AM 0.00 0.0 M M M
9/15/2016 7:00 AM 0.40 M M M M
9/16/2016 7:00 AM 0.00 0.0 M M M
9/17/2016 7:00 AM 0.00 0.0 M M M
9/18/2016 7:00 AM 0.00 0.0 M M M
9/19/2016 6:00 AM T M M M M
9/20/2016 7:00 AM 1.19 M M M M
9/27/2016 7:00 AM 0.25 M M M M
9/28/2016 7:00 AM 0.03 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/10/2015 11/12/2015 7:00 AM 3 1.10 M 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