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 14 3.94 5.07 13 5.07 13 0.00 0 0 12 1 0.0 0 0
Nov 14 3.99 5.79 20 5.79 20 0.00 0 0 15 0 0.0 0 0
Dec 14 3.95 6.81 23 6.81 21 0.00 2 1 15 2 0.1 1 0
Jan 15 3.61 4.70 20 4.70 20 0.00 0 0 11 5 17.1 5 12
Feb 15 3.15 2.46 16 2.46 16 0.00 0 0 11 3 18.6 9 15
March 15 4.53 5.60 16 5.60 16 0.00 0 0 14 1 25.8 7 13
April 15 4.39 1.95 23 1.95 16 0.00 7 0 11 3 0.0 0 0
May 15 3.91 0.51 31 0.00 0 0.51 31 1 0 0 0.0 0 0
June 15 4.16 5.56 19 3.48 10 2.08 9 1 9 0 0.0 0 0
July 15 3.62 1.48 12 1.48 12 0.00 0 0 12 0 0.0 0 0
Aug 15 3.93 2.20 6 2.20 6 0.00 0 0 5 0 0.0 0 0
Sept 15 3.91 4.73 5 4.73 5 0.00 0 0 5 0 0.0 0 0
Water Year Totals: 47.09" 46.86" 204 days 44.27" 155 2.59" 49 days 3 120 days 15 days 61.6" 22 days 40 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
10/1/2014 0.37
10/2/2014 0.14
10/3/2014
10/4/2014
10/5/2014 0.81
10/6/2014
10/7/2014
10/8/2014 0.15
10/9/2014
10/10/2014
10/11/2014 0.29
10/12/2014 0.30
10/13/2014
10/14/2014
10/15/2014
10/16/2014 0.75
10/17/2014 0.87
10/18/2014
10/19/2014 T
10/20/2014
10/21/2014
10/22/2014 0.07
10/23/2014 1.10
10/24/2014 0.05
10/25/2014 0.17
10/26/2014
10/27/2014
10/28/2014
10/29/2014
10/30/2014
10/31/2014
11/1/2014 0.29
11/2/2014 0.80
11/3/2014 0.02
11/4/2014 0.00
11/5/2014
11/6/2014 0.24
11/7/2014 0.35
11/8/2014 0.02
11/9/2014
11/10/2014
11/11/2014
11/12/2014 0.01
11/13/2014
11/14/2014 0.28
11/15/2014
11/16/2014
11/17/2014 0.66
11/18/2014 1.04
11/19/2014 0.00
11/20/2014 0.00
11/21/2014 0.00
11/22/2014
11/23/2014
11/24/2014 0.68
11/25/2014 0.19
11/26/2014 0.03
11/27/2014 1.15
11/28/2014 0.03
11/29/2014 0.00
11/30/2014
12/1/2014
12/2/2014 0.10
12/3/2014 0.35
12/4/2014 0.17
12/5/2014 0.00
12/6/2014 0.65
12/7/2014 1.09
12/8/2014 0.00
12/9/2014 0.58
12/10/2014 1.47 **
12/11/2014 0.37 M
12/12/2014 0.00
12/13/2014 0.00
12/14/2014
12/15/2014
12/16/2014
12/17/2014 0.43
12/18/2014 T
12/19/2014
12/20/2014
12/21/2014 0.03
12/22/2014 0.11
12/23/2014 0.13
12/24/2014 0.12
12/25/2014 1.09
12/26/2014
12/27/2014
12/28/2014 T
12/29/2014 0.12
12/30/2014
12/31/2014
Day of YearDaily PrcpMultiday Prcp
1/1/2015
1/2/2015
1/3/2015
1/4/2015 0.83
1/5/2015 0.35
1/6/2015
1/7/2015 0.03
1/8/2015 0.00
1/9/2015 T
1/10/2015 0.12
1/11/2015 0.00
1/12/2015 T
1/13/2015 0.83
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015 0.01
1/19/2015 0.61
1/20/2015
1/21/2015
1/22/2015 T
1/23/2015
1/24/2015 0.66
1/25/2015 0.25
1/26/2015 T
1/27/2015 1.00
1/28/2015 0.01
1/29/2015 0.00
1/30/2015 T
1/31/2015 0.00
2/1/2015 0.00
2/2/2015 0.75
2/3/2015 0.44
2/4/2015
2/5/2015
2/6/2015 T
2/7/2015
2/8/2015 T
2/9/2015 0.02
2/10/2015 0.02
2/11/2015 T
2/12/2015
2/13/2015 0.01
2/14/2015
2/15/2015 0.16
2/16/2015
2/17/2015 0.10
2/18/2015 0.04
2/19/2015
2/20/2015
2/21/2015
2/22/2015 0.90
2/23/2015 0.01
2/24/2015 0.00
2/25/2015 0.01
2/26/2015
2/27/2015
2/28/2015
3/1/2015
3/2/2015 1.00
3/3/2015
3/4/2015 0.72
3/5/2015 0.41
3/6/2015 0.34
3/7/2015
3/8/2015
3/9/2015 0.00
3/10/2015 T
3/11/2015 0.55
3/12/2015
3/13/2015
3/14/2015 0.11
3/15/2015 0.79
3/16/2015
3/17/2015 0.05
3/18/2015
3/19/2015
3/20/2015
3/21/2015 0.48
3/22/2015 0.01
3/23/2015
3/24/2015
3/25/2015
3/26/2015 0.11
3/27/2015 0.65
3/28/2015 0.10
3/29/2015 0.28
3/30/2015
3/31/2015
Day of YearDaily PrcpMultiday Prcp
4/1/2015 0.12
4/2/2015
4/3/2015 0.04
4/4/2015 0.11
4/5/2015
4/6/2015
4/7/2015 T
4/8/2015 0.10
4/9/2015 0.03
4/10/2015 0.15
4/11/2015
4/12/2015
4/13/2015
4/14/2015 T
4/15/2015 0.02
4/16/2015 0.00
4/17/2015 0.12
4/18/2015 0.00
4/19/2015
4/20/2015 T
4/21/2015 1.00
4/22/2015 0.01
4/23/2015 0.25
4/24/2015 **
4/25/2015 **
4/26/2015 **
4/27/2015 **
4/28/2015 **
4/29/2015 **
4/30/2015 **
5/1/2015 **
5/2/2015 **
5/3/2015 **
5/4/2015 **
5/5/2015 **
5/6/2015 **
5/7/2015 **
5/8/2015 **
5/9/2015 **
5/10/2015 **
5/11/2015 **
5/12/2015 **
5/13/2015 **
5/14/2015 **
5/15/2015 **
5/16/2015 **
5/17/2015 **
5/18/2015 **
5/19/2015 **
5/20/2015 0.51
5/21/2015 **
5/22/2015 **
5/23/2015 **
5/24/2015 **
5/25/2015 **
5/26/2015 **
5/27/2015 **
5/28/2015 **
5/29/2015 **
5/30/2015 **
5/31/2015 **
6/1/2015 **
6/2/2015 **
6/3/2015 **
6/4/2015 **
6/5/2015 **
6/6/2015 **
6/7/2015 **
6/8/2015 **
6/9/2015 2.08
6/10/2015
6/11/2015
6/12/2015
6/13/2015
6/14/2015
6/15/2015 1.01
6/16/2015 0.12
6/17/2015 0.06
6/18/2015
6/19/2015 0.01
6/20/2015 0.00
6/21/2015 0.67
6/22/2015 0.04
6/23/2015
6/24/2015 0.41
6/25/2015
6/26/2015
6/27/2015
6/28/2015 1.11
6/29/2015 0.05
6/30/2015
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.29
7/2/2015
7/3/2015
7/4/2015
7/5/2015 0.06
7/6/2015
7/7/2015
7/8/2015
7/9/2015 0.13
7/10/2015 0.18
7/11/2015
7/12/2015
7/13/2015
7/14/2015 0.03
7/15/2015 0.05
7/16/2015
7/17/2015
7/18/2015
7/19/2015 0.05
7/20/2015 0.01
7/21/2015 0.09
7/22/2015 0.01
7/23/2015
7/24/2015
7/25/2015
7/26/2015
7/27/2015 0.24
7/28/2015
7/29/2015
7/30/2015
7/31/2015 0.34
8/1/2015
8/2/2015
8/3/2015
8/4/2015 0.49
8/5/2015
8/6/2015
8/7/2015
8/8/2015
8/9/2015
8/10/2015
8/11/2015 0.04
8/12/2015 1.00
8/13/2015
8/14/2015
8/15/2015
8/16/2015
8/17/2015
8/18/2015
8/19/2015
8/20/2015
8/21/2015 0.12
8/22/2015 0.55
8/23/2015 0.00
8/24/2015
8/25/2015
8/26/2015
8/27/2015
8/28/2015
8/29/2015
8/30/2015
8/31/2015
9/1/2015
9/2/2015
9/3/2015
9/4/2015
9/5/2015
9/6/2015
9/7/2015
9/8/2015
9/9/2015
9/10/2015 0.51
9/11/2015 1.75
9/12/2015
9/13/2015 0.32
9/14/2015 0.15
9/15/2015
9/16/2015
9/17/2015
9/18/2015
9/19/2015
9/20/2015
9/21/2015
9/22/2015
9/23/2015
9/24/2015
9/25/2015
9/26/2015
9/27/2015
9/28/2015
9/29/2015
9/30/2015 2.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM 0.37 M M M M
10/2/2014 7:00 AM 0.14 M M M M
10/5/2014 7:00 AM 0.81 M M M M
10/8/2014 7:00 AM 0.15 M M M M
10/11/2014 7:00 AM 0.29 M M M M
10/12/2014 7:00 AM 0.30 M M M M
10/16/2014 7:00 AM 0.75 M M M M
10/17/2014 7:00 AM 0.87 M M M M
10/19/2014 7:00 AM T M M M M
10/22/2014 7:00 AM 0.07 M M M M
10/23/2014 7:00 AM 1.10 M M M M
10/24/2014 7:00 AM 0.05 M M M M
10/25/2014 7:00 AM 0.17 M M M M
11/1/2014 8:00 AM 0.29 M M M M
11/2/2014 7:00 AM 0.80 M M M M
11/3/2014 7:00 AM 0.02 M M M M
11/4/2014 7:00 AM 0.00 0.0 M M M
11/6/2014 7:00 AM 0.24 M M M M
11/7/2014 7:00 AM 0.35 M M M M
11/8/2014 7:00 AM 0.02 M M M M
11/12/2014 7:00 AM 0.01 M M M M Dense fog with spotty showers
11/14/2014 7:00 AM 0.28 M M M M
11/17/2014 7:00 AM 0.66 M M M M
11/18/2014 7:00 AM 1.04 M M M M
11/19/2014 7:00 AM 0.00 0.0 M M M
11/20/2014 7:00 AM 0.00 0.0 M M M
11/21/2014 7:00 AM 0.00 0.0 M M M
11/24/2014 7:00 AM 0.68 M M M M
11/25/2014 7:00 AM 0.19 M M M M
11/26/2014 7:00 AM 0.03 M M M M raining during observation time
11/27/2014 7:00 AM 1.15 M M M M mix of rain and ice pellets during the day
11/28/2014 7:00 AM 0.03 M M M M mix of snow and rain
11/29/2014 7:00 AM 0.00 0.0 M M M
12/2/2014 7:00 AM 0.10 M M M M
12/3/2014 7:00 AM 0.35 M M M M
12/4/2014 7:00 AM 0.17 M M M M
12/5/2014 7:00 AM 0.00 0.0 M M M
12/6/2014 7:00 AM 0.65 M M M M
12/7/2014 7:00 AM 1.09 M M M M
12/8/2014 7:00 AM 0.00 0.0 M M M
12/9/2014 7:00 AM 0.58 0.1 M 0.0 M snow occurring yesterday afternoon may have resulted in slightly decreased totals as funnel was still in gauge (splashing and or evaporation)
12/10/2014 8:00 AM 1.47 0.0 M T M (edit: originally submitted 12/13/2014 11:21 AM as 0" precip, false zero based on radar, edited to na and will contact observer - SGB 12/16/14)
12/11/2014 7:00 AM 0.37 0.0 M T M (edit: originally submitted 12/13/2014 11:21 AM as 0" precip, false zero based on radar, edited to na and will contact observer - SGB 12/16/14)
12/12/2014 7:00 AM 0.00 0.0 M T M
12/13/2014 7:00 AM 0.00 0.0 M T M
12/17/2014 7:00 AM 0.43 M M M M
12/18/2014 7:00 AM T M M M M
12/21/2014 9:00 AM 0.03 T M M M
12/22/2014 7:00 AM 0.11 M M M M
12/23/2014 7:00 AM 0.13 M M M M
12/24/2014 7:00 AM 0.12 M M M M
12/25/2014 9:00 AM 1.09 M M M M
12/28/2014 7:00 AM T M M M M
12/29/2014 7:00 AM 0.12 M M M M
1/4/2015 9:00 AM 0.83 T M M M
1/5/2015 7:00 AM 0.35 M M M M
1/7/2015 7:00 AM 0.03 0.2 M 0.3 M
1/8/2015 7:00 AM 0.00 0.0 M T M
1/9/2015 8:00 AM T T M T M
1/10/2015 7:00 AM 0.12 2.3 M 1.5 M
1/11/2015 7:00 AM 0.00 0.0 M 1.0 M
1/12/2015 7:00 AM T M M 0.5 M
1/13/2015 7:00 AM 0.83 M M M M
1/18/2015 7:00 AM 0.01 M M M M
1/19/2015 7:00 AM 0.61 M M M M
1/22/2015 7:00 AM T T M M M
1/24/2015 7:00 AM 0.66 3.4 M 3.4 M Rain decreased overall snowfall accumulation on ground in the overnight to early morning. Raining at observation time.
1/25/2015 7:00 AM 0.25 M M 1.5 M
1/26/2015 7:00 AM T T M 1.5 M
1/27/2015 7:00 AM 1.00 11.0 1.00 12.5 M
1/28/2015 7:00 AM 0.01 0.2 M 10.5 M
1/29/2015 7:00 AM 0.00 0.0 M 9.3 M
1/30/2015 7:00 AM T T M 8.5 M
1/31/2015 7:00 AM 0.00 0.0 M 8.3 M
2/1/2015 7:00 AM 0.00 0.0 M 8.0 M
2/2/2015 7:30 AM 0.75 3.5 M 9.7 M
2/3/2015 6:30 AM 0.44 7.2 M 10.5 M 3.5" of snow before rain washed away most of the snow. This was followed by an additional 3.7" of snow. There was some sleet and rain/ZR mixed in at times, especially ZR.
2/6/2015 7:00 AM T M M M M
2/8/2015 7:00 AM T M M 6.0 M
2/9/2015 6:30 AM 0.02 0.1 M 6.0 M Mixing of Snow, FZ, and sleet
2/10/2015 6:30 AM 0.02 T M 6.0 M snowing at observation time
2/11/2015 7:00 AM T T M 5.0 M
2/13/2015 7:00 AM 0.01 T M 5.0 M
2/15/2015 7:00 AM 0.16 2.7 M 7.7 M
2/17/2015 6:30 AM 0.10 1.2 M 8.5 M snowing moderate to heavy at observation tim
2/18/2015 6:30 AM 0.04 1.0 M 9.0 M
2/22/2015 7:00 AM 0.90 2.7 M 9.5 M
2/23/2015 7:00 AM 0.01 0.1 M 9.5 M
2/24/2015 7:00 AM 0.00 0.0 M 9.5 M
2/25/2015 7:00 AM 0.01 0.1 M 9.5 M
3/2/2015 7:00 AM 1.00 5.7 M 14.0 M Liquid equivalent appears high as ratio is 5.7 to 1. Increased catch possible. Will try for a core ASAP.
3/4/2015 6:30 AM 0.72 1.5 M 14.0 M 1.5 of snow by 7:45PM. Changed to all rain by 8pm
3/5/2015 6:30 AM 0.41 0.5 M 13.5 M
3/6/2015 6:30 AM 0.34 6.0 M 18.5 M
3/9/2015 6:30 AM 0.00 0.0 M 14.0 M started to rain shorly after observation time
3/10/2015 7:00 AM T M M 10.0 M
3/11/2015 6:30 AM 0.55 M M 8.0 M
3/14/2015 8:00 AM 0.11 M M 5.5 M
3/15/2015 8:00 AM 0.79 M M 2.0 M
3/17/2015 7:00 AM 0.05 M M T M
3/21/2015 9:00 AM 0.48 7.1 M 7.1 M
3/22/2015 8:00 AM 0.01 T M 6.0 M
3/26/2015 7:00 AM 0.11 M M T M
3/27/2015 9:00 AM 0.65 M M T M
3/28/2015 10:00 AM 0.10 0.5 M 0.5 M I was not expecting accumulating snow so the funnel was still in the gauge. I inverted the funnel and emptied the inner contents of the funnel into the gauge. This may have caused a potential measurement discrepancy and the snow accu is too small to do a core. However it compares well to other neighboring sites.
3/29/2015 8:00 AM 0.28 4.5 M 5.0 M
4/1/2015 7:00 AM 0.12 M M T M
4/3/2015 6:30 AM 0.04 M M M M
4/4/2015 10:00 AM 0.11 M M M M
4/7/2015 6:30 AM T M M M M
4/8/2015 9:00 AM 0.10 M M M M
4/9/2015 7:00 AM 0.03 M M M M
4/10/2015 10:00 AM 0.15 M M M M
4/14/2015 6:30 AM T M M M M
4/15/2015 6:30 AM 0.02 M M M M
4/16/2015 7:00 AM 0.00 0.0 M M M
4/17/2015 6:30 AM 0.12 M M M M
4/18/2015 8:00 AM 0.00 0.0 M M M
4/20/2015 7:00 AM T M M M M
4/21/2015 7:00 AM 1.00 M M M M
4/22/2015 7:00 AM 0.01 0.0 M M M
4/23/2015 7:00 AM 0.25 M M M M
6/15/2015 7:00 AM 1.01 M M M M
6/16/2015 7:00 AM 0.12 M M M M
6/17/2015 7:00 AM 0.06 M M M M
6/19/2015 7:00 AM 0.01 M M M M
6/20/2015 7:00 AM 0.00 0.0 M M M
6/21/2015 12:00 PM 0.67 M M M M
6/22/2015 7:00 AM 0.04 M M M M
6/24/2015 7:00 AM 0.41 M M M M
6/28/2015 8:00 AM 1.11 M M M M
6/29/2015 7:00 AM 0.05 M M M M
7/1/2015 7:00 AM 0.29 M M M M
7/5/2015 7:00 AM 0.06 M M M M
7/9/2015 7:00 AM 0.13 M M M M
7/10/2015 7:00 AM 0.18 M M M M
7/14/2015 6:30 AM 0.03 M M M M
7/15/2015 7:00 AM 0.05 M M M M
7/19/2015 7:00 AM 0.05 M M M M
7/20/2015 7:00 AM 0.01 M M M M
7/21/2015 7:00 AM 0.09 M M M M
7/22/2015 7:00 AM 0.01 M M M M
7/27/2015 7:00 AM 0.24 M M M M
7/31/2015 7:00 AM 0.34 M M M M
8/4/2015 7:00 AM 0.49 M M M M frequent lightning and hail from around 5AM to 530AM
8/11/2015 6:30 AM 0.04 M M M M
8/12/2015 7:00 AM 1.00 M M M M
8/21/2015 8:00 AM 0.12 M M M M
8/22/2015 12:00 PM 0.55 M M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
9/10/2015 7:00 AM 0.51 M M M M
9/11/2015 7:00 AM 1.75 M M M M
9/13/2015 7:00 AM 0.32 M M M M
9/14/2015 7:00 AM 0.15 M M M M
9/30/2015 6:30 AM 2.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/10/2014 12/11/2014 7:00 AM 2 M M M
4/24/2015 5/20/2015 7:00 AM 27 0.51 M M
5/21/2015 6/09/2015 7:00 AM 20 2.08 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