Station Overview Station Location
Station Number NY-SF-58 Latitude 40.8177261352539
Station Name Holtsville 0.3 N Longitude -73.0478744506836
County Suffolk Elevation (ft) 113



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 16 4.01 3.32 31 3.11 24 0.21 7 2 7 0 0.0 0 0
Nov 16 4.02 2.83 27 2.13 21 0.70 6 1 4 0 0.0 0 0
Dec 16 4.14 1.84 12 1.84 12 0.00 0 0 6 0 0.0 0 0
Jan 17 3.70 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 3.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 4.57 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 4.44 4.51 26 3.26 24 1.25 2 1 11 0 0.0 0 0
May 17 3.97 4.44 30 3.46 26 0.98 4 2 13 0 0.0 0 0
June 17 4.35 4.39 28 4.39 28 0.00 0 0 12 0 0.0 0 0
July 17 3.51 2.21 29 2.21 29 0.00 0 0 11 0 0.0 0 0
Aug 17 4.22 4.06 27 4.06 24 0.00 3 1 10 0 0.0 0 0
Sept 17 3.86 2.85 27 1.64 22 1.21 5 3 6 1 0.0 0 0
Water Year Totals: 48.07" 30.45" 237 days 26.10" 210 4.35" 27 days 10 80 days 1 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
10/1/2016 **
10/2/2016 **
10/3/2016 **
10/4/2016 **
10/5/2016 0.21
10/6/2016 0.00
10/7/2016 0.00
10/8/2016 0.00
10/9/2016 0.76
10/10/2016 0.59
10/11/2016 0.00
10/12/2016 0.00
10/13/2016 0.00
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.00
10/17/2016 0.00
10/18/2016 0.00
10/19/2016 **
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.02
10/23/2016 0.38
10/24/2016 0.06
10/25/2016 0.00
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.70
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.60
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 **
11/12/2016 **
11/13/2016 **
11/14/2016 **
11/15/2016 **
11/16/2016 0.70
11/17/2016 0.00
11/18/2016 0.00
11/19/2016 0.00
11/20/2016 0.39
11/21/2016
11/22/2016 0.00
11/23/2016 0.00
11/24/2016 0.00
11/25/2016 0.04
11/26/2016 0.01
11/27/2016 0.00
11/28/2016
11/29/2016
11/30/2016 1.69
12/1/2016 0.53
12/2/2016 0.00
12/3/2016 0.00
12/4/2016
12/5/2016 0.10
12/6/2016 0.02
12/7/2016 0.33
12/8/2016 0.00
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.00
12/12/2016 0.79
12/13/2016 0.07
12/14/2016
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017 0.00
4/4/2017 1.40
4/5/2017 0.03
4/6/2017 0.21
4/7/2017 0.71
4/8/2017 0.00
4/9/2017 0.00
4/10/2017 0.00
4/11/2017 0.00
4/12/2017 0.00
4/13/2017 0.00
4/14/2017 0.00
4/15/2017 0.00
4/16/2017 0.00
4/17/2017 0.00
4/18/2017
4/19/2017 0.00
4/20/2017 0.29
4/21/2017 0.29
4/22/2017 0.09
4/23/2017 0.10
4/24/2017
4/25/2017 **
4/26/2017 1.25
4/27/2017 0.04
4/28/2017 0.04
4/29/2017 0.06
4/30/2017 0.00
5/1/2017 0.02
5/2/2017 0.29
5/3/2017 0.00
5/4/2017
5/5/2017 **
5/6/2017 0.95
5/7/2017 0.02
5/8/2017 0.00
5/9/2017 0.00
5/10/2017 0.00
5/11/2017 0.00
5/12/2017 0.00
5/13/2017 0.01
5/14/2017 1.34
5/15/2017 0.06
5/16/2017 0.00
5/17/2017 0.00
5/18/2017 0.00
5/19/2017 0.00
5/20/2017 0.00
5/21/2017 **
5/22/2017 0.03
5/23/2017 0.55
5/24/2017 0.16
5/25/2017 0.13
5/26/2017 0.56
5/27/2017 0.00
5/28/2017 0.00
5/29/2017 0.10
5/30/2017 0.19
5/31/2017 0.03
6/1/2017 0.09
6/2/2017 0.00
6/3/2017 0.00
6/4/2017
6/5/2017 0.18
6/6/2017 0.00
6/7/2017 0.09
6/8/2017 0.00
6/9/2017 0.00
6/10/2017 0.00
6/11/2017 0.00
6/12/2017
6/13/2017 0.00
6/14/2017 0.53
6/15/2017 0.04
6/16/2017 0.00
6/17/2017 0.73
6/18/2017 0.15
6/19/2017 0.00
6/20/2017 0.56
6/21/2017 0.00
6/22/2017 0.00
6/23/2017 0.00
6/24/2017 1.12
6/25/2017 0.83
6/26/2017 0.00
6/27/2017 0.04
6/28/2017 0.03
6/29/2017 0.00
6/30/2017 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2017 0.00
7/2/2017
7/3/2017 0.00
7/4/2017 0.00
7/5/2017 0.00
7/6/2017 0.00
7/7/2017 0.31
7/8/2017 0.55
7/9/2017 0.00
7/10/2017 0.00
7/11/2017 0.00
7/12/2017 0.01
7/13/2017 0.12
7/14/2017 0.11
7/15/2017 0.17
7/16/2017 0.00
7/17/2017 0.00
7/18/2017 0.00
7/19/2017 0.00
7/20/2017
7/21/2017 0.00
7/22/2017 0.00
7/23/2017 0.25
7/24/2017 0.34
7/25/2017 0.28
7/26/2017 0.00
7/27/2017 0.00
7/28/2017 0.01
7/29/2017 0.06
7/30/2017 0.00
7/31/2017 0.00
8/1/2017 0.00
8/2/2017 0.00
8/3/2017 0.00
8/4/2017 0.02
8/5/2017 0.16
8/6/2017 0.02
8/7/2017 0.00
8/8/2017
8/9/2017 0.00
8/10/2017 0.00
8/11/2017 0.00
8/12/2017 0.15
8/13/2017 0.08
8/14/2017 0.00
8/15/2017 0.22
8/16/2017 0.10
8/17/2017 0.00
8/18/2017 0.00
8/19/2017 2.22
8/20/2017
8/21/2017 **
8/22/2017 0.00
8/23/2017 0.35
8/24/2017 0.00
8/25/2017 0.00
8/26/2017 0.00
8/27/2017
8/28/2017
8/29/2017 0.00
8/30/2017 0.74
8/31/2017 **
9/1/2017 0.00
9/2/2017 0.00
9/3/2017 0.69
9/4/2017 0.06
9/5/2017 0.00
9/6/2017 **
9/7/2017 1.21
9/8/2017 0.01
9/9/2017 **
9/10/2017 0.00
9/11/2017 0.00
9/12/2017 0.00
9/13/2017 0.00
9/14/2017 T
9/15/2017
9/16/2017 0.00
9/17/2017 0.00
9/18/2017 0.02
9/19/2017 0.00
9/20/2017 0.85
9/21/2017 0.01
9/22/2017 0.00
9/23/2017 0.00
9/24/2017
9/25/2017 0.00
9/26/2017 0.00
9/27/2017 0.00
9/28/2017 0.00
9/29/2017
9/30/2017 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/6/2016 8:00 AM 0.00 0.0 M M M Dry
10/7/2016 8:00 AM 0.00 0.0 M M M Still dry...... but cool so plants and lawn ok.
10/8/2016 8:00 AM 0.00 0.0 M M M
10/9/2016 8:00 AM 0.76 M M M M Steady light rain
10/10/2016 8:00 AM 0.59 M M M M
10/11/2016 8:00 AM 0.00 0.0 M M M
10/12/2016 8:00 AM 0.00 0.0 M M M Light dew this morning
10/13/2016 8:00 AM 0.00 0.0 M M M
10/14/2016 8:00 AM 0.00 0.0 M M M
10/15/2016 8:00 AM 0.00 0.0 M M M
10/16/2016 8:00 AM 0.00 0.0 M M M
10/17/2016 8:00 AM 0.00 0.0 M M M
10/18/2016 8:00 AM 0.00 0.0 M M M A light dew this morning.
10/21/2016 8:00 AM 0.00 0.0 M M M
10/22/2016 8:00 AM 0.02 M M M M
10/23/2016 8:00 AM 0.38 M M M M
10/24/2016 8:00 AM 0.06 M M M M
10/25/2016 8:00 AM 0.00 0.0 M M M
10/26/2016 8:00 AM 0.00 0.0 M M M
10/27/2016 8:00 AM 0.00 0.0 M M M
10/28/2016 8:00 AM 0.70 M M M M
10/29/2016 8:00 AM 0.00 0.0 M M M
10/30/2016 8:00 AM 0.00 0.0 M M M
10/31/2016 8:00 AM 0.60 M M M M
11/1/2016 8:00 AM 0.00 0.0 M M M
11/2/2016 8:00 AM 0.00 0.0 M M M
11/3/2016 8:00 AM 0.00 0.0 M M M
11/4/2016 8:00 AM 0.00 0.0 M M M We were supposed to get rain but never did.
11/5/2016 8:00 AM 0.00 0.0 M M M
11/6/2016 8:00 AM 0.00 0.0 M M M
11/7/2016 8:00 AM 0.00 0.0 M M M
11/8/2016 8:00 AM 0.00 0.0 M M M
11/9/2016 8:00 AM 0.00 0.0 M M M
11/10/2016 8:00 AM 0.00 0.0 M M M
11/17/2016 8:00 AM 0.00 0.0 M M M
11/18/2016 8:00 AM 0.00 0.0 M M M
11/19/2016 8:00 AM 0.00 0.0 M M M
11/20/2016 8:00 AM 0.39 M M M M
11/22/2016 8:00 AM 0.00 0.0 M M M
11/23/2016 8:00 AM 0.00 0.0 M M M
11/24/2016 8:00 AM 0.00 0.0 M M M
11/25/2016 8:00 AM 0.04 M M M M
11/26/2016 8:00 AM 0.01 M M M M
11/27/2016 8:00 AM 0.00 0.0 M M M
11/30/2016 8:00 AM 1.69 M M M M
12/1/2016 8:00 AM 0.53 M M M M
12/2/2016 8:00 AM 0.00 0.0 M M M
12/3/2016 8:00 AM 0.00 0.0 M M M
12/5/2016 8:00 AM 0.10 M M M M
12/6/2016 8:00 AM 0.02 M M M M
12/7/2016 8:00 AM 0.33 M M M M
12/8/2016 8:00 AM 0.00 0.0 M M M
12/9/2016 8:00 AM 0.00 0.0 M M M
12/10/2016 8:00 AM 0.00 0.0 M M M
12/11/2016 8:00 AM 0.00 0.0 M M M
12/12/2016 8:00 AM 0.79 M M M M
12/13/2016 8:00 AM 0.07 M M M M
4/3/2017 8:00 AM 0.00 0.0 M M M Dry
4/4/2017 8:00 AM 1.40 M M M M
4/5/2017 8:00 AM 0.03 M M M M
4/6/2017 8:00 AM 0.21 M M M M
4/7/2017 8:00 AM 0.71 M M M M
4/8/2017 8:00 AM 0.00 0.0 M M M
4/9/2017 8:00 AM 0.00 0.0 M M M
4/10/2017 8:00 AM 0.00 0.0 M M M
4/11/2017 8:00 AM 0.00 0.0 M M M
4/12/2017 8:00 AM 0.00 0.0 M M M
4/13/2017 8:00 AM 0.00 0.0 M M M
4/14/2017 8:00 AM 0.00 0.0 M M M
4/15/2017 8:00 AM 0.00 0.0 M M M
4/16/2017 8:00 AM 0.00 0.0 M M M
4/17/2017 8:00 AM 0.00 0.0 M M M
4/19/2017 8:00 AM 0.00 0.0 M M M
4/20/2017 8:00 AM 0.29 M M M M
4/21/2017 8:00 AM 0.29 M M M M
4/22/2017 8:00 AM 0.09 M M M M
4/23/2017 8:00 AM 0.10 M M M M
4/27/2017 8:00 AM 0.04 M M M M
4/28/2017 8:00 AM 0.04 M M M M
4/29/2017 8:00 AM 0.06 M M M M
4/30/2017 8:00 AM 0.00 0.0 M M M
5/1/2017 8:00 AM 0.02 M M M M
5/2/2017 8:00 AM 0.29 M M M M
5/3/2017 8:00 AM 0.00 0.0 M M M
5/7/2017 8:00 AM 0.02 M M M M
5/8/2017 8:00 AM 0.00 0.0 M M M
5/9/2017 8:00 AM 0.00 0.0 M M M
5/10/2017 8:00 AM 0.00 0.0 M M M
5/11/2017 8:00 AM 0.00 0.0 M M M
5/12/2017 8:00 AM 0.00 0.0 M M M
5/13/2017 8:00 AM 0.01 M M M M
5/14/2017 8:00 AM 1.34 M M M M
5/15/2017 8:00 AM 0.06 M M M M
5/16/2017 8:00 AM 0.00 0.0 M M M
5/17/2017 8:00 AM 0.00 0.0 M M M
5/18/2017 8:00 AM 0.00 0.0 M M M
5/19/2017 8:00 AM 0.00 0.0 M M M
5/20/2017 8:00 AM 0.00 0.0 M M M
5/23/2017 8:00 AM 0.55 M M M M
5/24/2017 8:00 AM 0.16 M M M M
5/25/2017 8:00 AM 0.13 M M M M
5/26/2017 8:00 AM 0.56 M M M M
5/27/2017 8:00 AM 0.00 0.0 M M M
5/28/2017 8:00 AM 0.00 0.0 M M M
5/29/2017 8:00 AM 0.10 M M M M
5/30/2017 8:00 AM 0.19 M M M M
5/31/2017 8:00 AM 0.03 M M M M
6/1/2017 8:00 AM 0.09 M M M M
6/2/2017 8:00 AM 0.00 0.0 M M M
6/3/2017 8:00 AM 0.00 0.0 M M M
6/5/2017 8:00 AM 0.18 M M M M
6/6/2017 8:00 AM 0.00 0.0 M M M
6/7/2017 8:00 AM 0.09 M M M M
6/8/2017 8:00 AM 0.00 0.0 M M M
6/9/2017 8:00 AM 0.00 0.0 M M M
6/10/2017 8:00 AM 0.00 0.0 M M M
6/11/2017 8:00 AM 0.00 0.0 M M M
6/13/2017 8:00 AM 0.00 0.0 M M M
6/14/2017 8:00 AM 0.53 M M M M
6/15/2017 8:00 AM 0.04 M M M M
6/16/2017 8:00 AM 0.00 0.0 M M M
6/17/2017 8:00 AM 0.73 M M M M
6/18/2017 8:00 AM 0.15 M M M M
6/19/2017 8:00 AM 0.00 0.0 M M M
6/20/2017 8:00 AM 0.56 M M M M
6/21/2017 8:00 AM 0.00 0.0 M M M
6/22/2017 8:00 AM 0.00 0.0 M M M
6/23/2017 8:00 AM 0.00 0.0 M M M
6/24/2017 8:00 AM 1.12 M M M M
6/25/2017 8:00 AM 0.83 M M M M
6/26/2017 8:00 AM 0.00 0.0 M M M
6/27/2017 8:00 AM 0.04 M M M M
6/28/2017 8:00 AM 0.03 M M M M
6/29/2017 8:00 AM 0.00 0.0 M M M
6/30/2017 8:00 AM 0.00 0.0 M M M
7/1/2017 8:00 AM 0.00 0.0 M M M
7/3/2017 8:00 AM 0.00 0.0 M M M
7/4/2017 8:00 AM 0.00 0.0 M M M
7/5/2017 8:00 AM 0.00 0.0 M M M
7/6/2017 8:00 AM 0.00 0.0 M M M
7/7/2017 8:00 AM 0.31 M M M M
7/8/2017 8:00 AM 0.55 M M M M
7/9/2017 8:00 AM 0.00 0.0 M M M
7/10/2017 8:00 AM 0.00 0.0 M M M
7/11/2017 8:00 AM 0.00 0.0 M M M
7/12/2017 8:00 AM 0.01 M M M M
7/13/2017 8:00 AM 0.12 M M M M
7/14/2017 8:00 AM 0.11 M M M M
7/15/2017 8:00 AM 0.17 M M M M
7/16/2017 8:00 AM 0.00 0.0 M M M
7/17/2017 8:00 AM 0.00 0.0 M M M
7/18/2017 8:00 AM 0.00 0.0 M M M
7/19/2017 8:00 AM 0.00 0.0 M M M
7/21/2017 8:00 AM 0.00 0.0 M M M
7/22/2017 8:00 AM 0.00 0.0 M M M
7/23/2017 8:00 AM 0.25 M M M M
7/24/2017 8:00 AM 0.34 M M M M
7/25/2017 8:00 AM 0.28 M M M M
7/26/2017 8:00 AM 0.00 0.0 M M M
7/27/2017 8:00 AM 0.00 0.0 M M M
7/28/2017 8:00 AM 0.01 M M M M
7/29/2017 8:00 AM 0.06 M M M M
7/30/2017 8:00 AM 0.00 0.0 M M M
7/31/2017 8:00 AM 0.00 0.0 M M M
8/1/2017 8:00 AM 0.00 0.0 M M M
8/2/2017 8:00 AM 0.00 0.0 M M M
8/3/2017 8:00 AM 0.00 0.0 M M M
8/4/2017 8:00 AM 0.02 M M M M
8/5/2017 8:00 AM 0.16 M M M M
8/6/2017 8:00 AM 0.02 M M M M
8/7/2017 8:00 AM 0.00 0.0 M M M
8/9/2017 8:00 AM 0.00 0.0 M M M
8/10/2017 8:00 AM 0.00 0.0 M M M
8/11/2017 8:00 AM 0.00 0.0 M M M
8/12/2017 8:00 AM 0.15 M M M M
8/13/2017 8:00 AM 0.08 M M M M
8/14/2017 8:00 AM 0.00 0.0 M M M
8/15/2017 8:00 AM 0.22 M M M M
8/16/2017 8:00 AM 0.10 M M M M
8/17/2017 8:00 AM 0.00 0.0 M M M
8/18/2017 8:00 AM 0.00 0.0 M M M
8/19/2017 8:00 AM 2.22 M M M M
8/23/2017 8:00 AM 0.35 M M M M
8/24/2017 8:00 AM 0.00 0.0 M M M
8/25/2017 8:00 AM 0.00 0.0 M M M
8/26/2017 8:00 AM 0.00 0.0 M M M
8/29/2017 8:00 AM 0.00 0.0 M M M
8/30/2017 8:00 AM 0.74 M M M M
9/2/2017 8:00 AM 0.00 0.0 M M M
9/3/2017 8:00 AM 0.69 M M M M
9/4/2017 8:00 AM 0.06 M M M M
9/5/2017 8:00 AM 0.00 0.0 M M M
9/8/2017 8:00 AM 0.01 M M M M
9/11/2017 8:00 AM 0.00 0.0 M M M
9/12/2017 8:00 AM 0.00 0.0 M M M
9/13/2017 8:00 AM 0.00 0.0 M M M
9/14/2017 8:00 AM T M M M M Warm and very humid out.
9/16/2017 8:00 AM 0.00 0.0 M M M
9/17/2017 8:00 AM 0.00 0.0 M M M
9/18/2017 8:00 AM 0.02 M M M M
9/19/2017 8:00 AM 0.00 0.0 M M M
9/20/2017 8:00 AM 0.85 M M M M
9/21/2017 8:00 AM 0.01 M M M M
9/22/2017 8:00 AM 0.00 0.0 M M M
9/23/2017 8:00 AM 0.00 0.0 M M M
9/25/2017 8:00 AM 0.00 0.0 M M M
9/26/2017 8:00 AM 0.00 0.0 M M M
9/27/2017 8:00 AM 0.00 0.0 M M M
9/28/2017 8:00 AM 0.00 0.0 M M M
9/30/2017 8:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/30/2016 10/05/2016 8:00 AM 6 0.21 M M Away for 5 days
10/19/2016 10/20/2016 8:00 AM 2 0.00 M M Excessive amt. of scorns this year, wonder if it's due to drought we have had all summer?
11/11/2016 11/16/2016 8:00 AM 6 0.70 M M
4/25/2017 4/26/2017 8:00 AM 2 1.25 M M Rain for two days, heavy at times, yet stopping for a few hours here and there.
5/5/2017 5/06/2017 8:00 AM 2 0.95 M M
5/21/2017 5/22/2017 8:00 AM 2 0.03 M M
8/21/2017 8/22/2017 8:00 AM 2 0.00 M M
8/31/2017 9/01/2017 8:00 AM 2 0.00 M M
9/6/2017 9/07/2017 8:00 AM 2 1.21 M M
9/9/2017 9/10/2017 8:00 AM 2 0.00 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