Station Overview Station Location
Station Number NY-SF-24 Latitude 40.798232
Station Name Ronkonkoma 1.4 WSW Longitude -73.150036
County Suffolk Elevation (ft) 66



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 18 4.01 4.66 31 2.91 23 1.75 8 1 12 3 0.0 0 0
Nov 18 3.86 9.32 29 6.14 23 3.18 6 2 9 1 0.0 0 0
Dec 18 4.08 3.52 25 3.52 25 0.00 0 0 11 1 0.0 0 0
Jan 19 3.70 0.08 2 0.08 2 0.00 0 0 1 1 0.0 0 0
Feb 19 3.16 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 19 4.47 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 19 4.37 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 19 3.90 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 19 4.19 0.78 1 0.78 1 0.00 0 0 1 0 0.0 0 0
July 19 3.65 0.00 2 0.00 2 0.00 0 0 0 0 0.0 0 0
Aug 19 4.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 19 3.76 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 47.40" 18.36" 90 days 13.43" 76 4.93" 14 days 3 34 days 6 days 0.0" 0 days 0 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
10/1/2018 **
10/2/2018 **
10/3/2018 1.75
10/4/2018 0.00
10/5/2018 0.03
10/6/2018 0.00
10/7/2018 0.01
10/8/2018 T
10/9/2018 0.01
10/10/2018 T
10/11/2018 0.00
10/12/2018 2.41
10/13/2018 0.07
10/14/2018 0.07
10/15/2018 0.02
10/16/2018 0.08
10/17/2018 0.00
10/18/2018 0.01
10/19/2018 0.00
10/20/2018 0.11
10/21/2018 0.06
10/22/2018 T
10/23/2018 0.00
10/24/2018 0.03
10/25/2018 0.00
10/26/2018 0.00
10/27/2018 **
10/28/2018 **
10/29/2018 **
10/30/2018 **
10/31/2018 **
11/1/2018 **
11/2/2018 **
11/3/2018 **
11/4/2018 1.85
11/5/2018 T
11/6/2018 0.24
11/7/2018 0.38
11/8/2018 0.00
11/9/2018 0.00
11/10/2018 1.62
11/11/2018 0.00
11/12/2018
11/13/2018 0.92
11/14/2018 0.43
11/15/2018 0.00
11/16/2018 **
11/17/2018 1.33
11/18/2018 0.00
11/19/2018 0.00
11/20/2018 0.02
11/21/2018 0.02
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 0.00
11/25/2018 1.41
11/26/2018 0.00
11/27/2018 1.10
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 0.05
12/2/2018 0.73
12/3/2018 0.42
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.02
12/15/2018 0.15
12/16/2018 0.13
12/17/2018 0.60
12/18/2018 0.00
12/19/2018
12/20/2018 0.00
12/21/2018 0.59
12/22/2018 0.70
12/23/2018 T
12/24/2018 0.10
12/25/2018 0.03
12/26/2018 0.00
12/27/2018
12/28/2018
12/29/2018
12/30/2018
12/31/2018
Day of YearDaily PrcpMultiday Prcp
1/1/2019
1/2/2019
1/3/2019
1/4/2019
1/5/2019
1/6/2019
1/7/2019
1/8/2019
1/9/2019
1/10/2019
1/11/2019
1/12/2019
1/13/2019
1/14/2019
1/15/2019
1/16/2019
1/17/2019
1/18/2019 0.08
1/19/2019 T
1/20/2019
1/21/2019
1/22/2019
1/23/2019
1/24/2019
1/25/2019
1/26/2019
1/27/2019
1/28/2019
1/29/2019
1/30/2019
1/31/2019
2/1/2019
2/2/2019
2/3/2019
2/4/2019
2/5/2019
2/6/2019
2/7/2019
2/8/2019
2/9/2019
2/10/2019
2/11/2019
2/12/2019
2/13/2019
2/14/2019
2/15/2019
2/16/2019
2/17/2019
2/18/2019
2/19/2019
2/20/2019
2/21/2019
2/22/2019
2/23/2019
2/24/2019
2/25/2019
2/26/2019
2/27/2019
2/28/2019
3/1/2019
3/2/2019
3/3/2019
3/4/2019
3/5/2019
3/6/2019
3/7/2019
3/8/2019
3/9/2019
3/10/2019
3/11/2019
3/12/2019
3/13/2019
3/14/2019
3/15/2019
3/16/2019
3/17/2019
3/18/2019
3/19/2019
3/20/2019
3/21/2019
3/22/2019
3/23/2019
3/24/2019
3/25/2019
3/26/2019
3/27/2019
3/28/2019
3/29/2019
3/30/2019
3/31/2019
Day of YearDaily PrcpMultiday Prcp
4/1/2019
4/2/2019
4/3/2019
4/4/2019
4/5/2019
4/6/2019
4/7/2019
4/8/2019
4/9/2019
4/10/2019
4/11/2019
4/12/2019
4/13/2019
4/14/2019
4/15/2019
4/16/2019
4/17/2019
4/18/2019
4/19/2019
4/20/2019
4/21/2019
4/22/2019
4/23/2019
4/24/2019
4/25/2019
4/26/2019
4/27/2019
4/28/2019
4/29/2019
4/30/2019
5/1/2019
5/2/2019
5/3/2019
5/4/2019
5/5/2019
5/6/2019
5/7/2019
5/8/2019
5/9/2019
5/10/2019
5/11/2019
5/12/2019
5/13/2019
5/14/2019
5/15/2019
5/16/2019
5/17/2019
5/18/2019
5/19/2019
5/20/2019
5/21/2019
5/22/2019
5/23/2019
5/24/2019
5/25/2019
5/26/2019
5/27/2019
5/28/2019
5/29/2019
5/30/2019
5/31/2019
6/1/2019
6/2/2019
6/3/2019
6/4/2019
6/5/2019
6/6/2019
6/7/2019
6/8/2019
6/9/2019
6/10/2019
6/11/2019 0.78
6/12/2019
6/13/2019
6/14/2019
6/15/2019
6/16/2019
6/17/2019
6/18/2019
6/19/2019
6/20/2019
6/21/2019
6/22/2019
6/23/2019
6/24/2019
6/25/2019
6/26/2019
6/27/2019
6/28/2019
6/29/2019
6/30/2019
Day of YearDaily PrcpMultiday Prcp
7/1/2019
7/2/2019
7/3/2019
7/4/2019
7/5/2019
7/6/2019
7/7/2019
7/8/2019 0.00
7/9/2019
7/10/2019
7/11/2019
7/12/2019
7/13/2019
7/14/2019
7/15/2019
7/16/2019
7/17/2019
7/18/2019
7/19/2019
7/20/2019
7/21/2019 0.00
7/22/2019
7/23/2019
7/24/2019
7/25/2019
7/26/2019
7/27/2019
7/28/2019
7/29/2019
7/30/2019
7/31/2019
8/1/2019
8/2/2019
8/3/2019
8/4/2019
8/5/2019
8/6/2019
8/7/2019
8/8/2019
8/9/2019
8/10/2019
8/11/2019
8/12/2019
8/13/2019
8/14/2019
8/15/2019
8/16/2019
8/17/2019
8/18/2019
8/19/2019
8/20/2019
8/21/2019
8/22/2019
8/23/2019
8/24/2019
8/25/2019
8/26/2019
8/27/2019
8/28/2019
8/29/2019
8/30/2019
8/31/2019
9/1/2019
9/2/2019
9/3/2019
9/4/2019
9/5/2019
9/6/2019
9/7/2019
9/8/2019
9/9/2019
9/10/2019
9/11/2019
9/12/2019
9/13/2019
9/14/2019
9/15/2019
9/16/2019
9/17/2019
9/18/2019
9/19/2019
9/20/2019
9/21/2019
9/22/2019
9/23/2019
9/24/2019
9/25/2019
9/26/2019
9/27/2019
9/28/2019
9/29/2019
9/30/2019



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/4/2018 8:00 AM 0.00 M M M M
10/5/2018 8:00 AM 0.03 M M M M
10/6/2018 8:00 AM 0.00 M M M M
10/7/2018 5:56 AM 0.01 M M M M
10/8/2018 8:00 AM T M M M M
10/9/2018 8:00 AM 0.01 M M M M
10/10/2018 8:00 AM T M M M M
10/11/2018 8:00 AM 0.00 M M M M
10/12/2018 8:00 AM 2.41 M M M M
10/13/2018 8:30 AM 0.07 M M M M
10/14/2018 8:00 AM 0.07 M M M M
10/15/2018 7:56 AM 0.02 M M M M
10/16/2018 8:00 AM 0.08 M M M M
10/17/2018 8:00 AM 0.00 M M M M
10/18/2018 8:00 AM 0.01 M M M M
10/19/2018 8:00 AM 0.00 M M M M
10/20/2018 8:00 AM 0.11 M M M M
10/21/2018 8:00 AM 0.06 M M M M
10/22/2018 8:00 AM T M M M M
10/23/2018 8:00 AM 0.00 M M M M
10/24/2018 8:00 AM 0.03 M M M M
10/25/2018 8:00 AM 0.00 M M M M
10/26/2018 8:00 AM 0.00 M M M M
11/5/2018 8:00 AM T M M M M Rain just began.
11/6/2018 8:00 AM 0.24 M M M M
11/7/2018 6:55 AM 0.38 M M M M
11/8/2018 8:00 AM 0.00 M M M M
11/9/2018 8:00 AM 0.00 M M M M
11/10/2018 8:00 AM 1.62 M M M M
11/11/2018 6:54 AM 0.00 M M M M
11/13/2018 7:51 AM 0.92 M M M M
11/14/2018 8:00 AM 0.43 M M M M
11/15/2018 8:00 AM 0.00 M M M M
11/18/2018 8:00 AM 0.00 M M M M
11/19/2018 8:00 AM 0.00 M M M M
11/20/2018 8:10 AM 0.02 M M M M Light RA at time of observation.
11/21/2018 8:00 AM 0.02 M M M M
11/22/2018 7:45 AM 0.00 M M M M
11/23/2018 8:00 AM 0.00 M M M M 15.8 at 737 AM for morning low.
11/24/2018 8:00 AM 0.00 M M M M
11/25/2018 8:00 AM 1.41 M M M M
11/26/2018 8:00 AM 0.00 M M M M
11/27/2018 8:00 AM 1.10 M M M M
11/28/2018 8:00 AM 0.00 M M M M
11/29/2018 8:00 AM 0.00 M M M M
11/30/2018 8:00 AM 0.00 M M M M
12/1/2018 8:00 AM 0.05 T M 0.0 M icy this morning! sleet Friday afternoon.
12/2/2018 8:00 AM 0.73 M M M M
12/3/2018 8:00 AM 0.42 M M M M
12/4/2018 8:00 AM 0.00 M M M M
12/5/2018 8:00 AM 0.00 M M M M
12/6/2018 8:00 AM 0.00 M M M M
12/7/2018 8:00 AM 0.00 M M M M
12/8/2018 8:00 AM 0.00 M M M M
12/9/2018 8:00 AM 0.00 M M M M
12/10/2018 8:00 AM 0.00 M M M M
12/11/2018 8:00 AM 0.00 M M M M heavy frost again this morning. low temperature 22 F.
12/12/2018 8:00 AM 0.00 M M M M
12/13/2018 8:00 AM 0.00 M M M M
12/14/2018 8:00 AM 0.02 T M 0.0 M
12/15/2018 8:00 AM 0.15 M M M M
12/16/2018 8:00 AM 0.13 M M M M
12/17/2018 8:00 AM 0.60 M M M M
12/18/2018 8:00 AM 0.00 M M M M
12/20/2018 8:00 AM 0.00 M M M M
12/21/2018 7:45 AM 0.59 M M M M
12/22/2018 8:00 AM 0.70 M M M M
12/23/2018 8:00 AM T M M M M
12/24/2018 9:15 AM 0.10 M M M M
12/25/2018 8:00 AM 0.03 T M M M
12/26/2018 8:00 AM 0.00 M M M M
1/18/2019 8:00 AM 0.08 M M M M exactly 10 to 1.
1/19/2019 8:00 AM T T M 0.0 M
6/11/2019 9:00 AM 0.78 M M M M Storm Total
7/8/2019 8:00 AM 0.00 M M M M
7/21/2019 8:00 AM 0.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/27/2018 10/03/2018 8:00 AM 7 1.75 M M
10/27/2018 11/04/2018 8:00 AM 9 1.85 M M
11/16/2018 11/17/2018 8:00 AM 2 1.33 T 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