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Viewing Station:
NY-SF-100 : Port Jefferson Station 0.3 SSW
Jan 16, 2017 - Sep 18, 2025
3,088 Total Observations
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Observation Data Tables
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Daily Precip
223
Multi-day Precip
4
Significant Weather
0
Hail
0
Condition Monitoring
0
Map
Obs Date
Obs Time
Gauge Catch (in)
Snowfall (in)
Snowpack (in)
Flooding
Notes
Depth
SWE
Depth
SWE
2025-09-18
8:30 AM
0.11
NA
NA
NA
NA
2025-09-17
8:30 AM
0.00
0.0
NA
NA
NA
2025-09-16
8:30 AM
0.00
0.0
NA
NA
NA
2025-09-15
8:30 AM
0.00
0.0
NA
NA
NA
2025-09-14
8:30 AM
0.00
0.0
NA
NA
NA
2025-09-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-09-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-09-11
8:30 AM
T
NA
NA
NA
NA
2025-09-10
8:30 AM
T
NA
NA
NA
NA
2025-08-25
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-24
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-23
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-22
8:30 AM
T
NA
NA
NA
NA
2025-08-21
8:30 AM
0.69
NA
NA
NA
NA
2025-08-20
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-19
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-18
8:30 AM
0.36
NA
NA
NA
NA
2025-08-17
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-16
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-15
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-14
8:30 AM
0.27
NA
NA
NA
NA
2025-08-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-11
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-10
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-09
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-08
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-07
8:30 AM
0.02
NA
NA
NA
NA
2025-08-06
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-05
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-04
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-03
8:30 AM
0.00
0.0
NA
NA
NA
2025-08-02
8:30 AM
0.01
NA
NA
NA
NA
2025-08-01
8:30 AM
1.62
NA
NA
NA
NA
2025-07-30
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-29
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-28
8:30 AM
0.17
NA
NA
NA
NA
2025-07-27
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-26
8:30 AM
0.14
NA
NA
NA
NA
2025-07-25
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-24
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-23
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-22
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-21
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-20
8:30 AM
0.02
NA
NA
NA
NA
2025-07-19
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-18
8:30 AM
0.03
NA
NA
NA
NA
2025-07-17
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-16
8:30 AM
T
NA
NA
NA
NA
2025-07-15
8:30 AM
0.58
NA
NA
NA
NA
2025-07-14
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-11
8:30 AM
0.05
NA
NA
NA
NA
2025-07-10
8:30 AM
0.22
NA
NA
NA
NA
2025-07-09
8:30 AM
0.04
NA
NA
NA
NA
2025-07-08
8:30 AM
0.04
NA
NA
NA
NA
2025-07-07
8:30 AM
T
NA
NA
NA
NA
2025-07-06
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-05
8:30 AM
0.00
0.0
NA
NA
NA
2025-07-04
8:30 AM
0.03
NA
NA
NA
NA
2025-07-03
8:30 AM
T
NA
NA
NA
NA
2025-07-02
8:30 AM
0.25
NA
NA
NA
NA
2025-07-01
8:30 AM
0.41
NA
NA
NA
NA
2025-06-30
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-29
8:30 AM
0.01
NA
NA
NA
NA
2025-06-28
8:30 AM
0.05
NA
NA
NA
NA
2025-06-27
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-26
8:30 AM
0.17
NA
NA
NA
NA
2025-06-25
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-24
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-21
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-20
8:30 AM
0.07
NA
NA
NA
NA
2025-06-19
8:30 AM
T
NA
NA
NA
NA
2025-06-18
8:30 AM
0.18
NA
NA
NA
NA
2025-06-17
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-16
8:30 AM
0.03
NA
NA
NA
NA
2025-06-15
8:30 AM
0.16
NA
NA
NA
NA
2025-06-14
8:30 AM
0.18
NA
NA
NA
NA
2025-06-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-11
8:30 AM
0.17
NA
NA
NA
NA
2025-06-10
8:30 AM
0.03
NA
NA
NA
NA
2025-06-09
8:30 AM
T
NA
NA
NA
NA
2025-06-08
8:30 AM
0.41
NA
NA
NA
NA
2025-06-07
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-06
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-05
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-04
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-03
8:30 AM
0.00
0.0
NA
NA
NA
2025-06-02
8:30 AM
T
NA
NA
NA
NA
2025-06-01
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-31
8:30 AM
0.49
NA
NA
NA
NA
2025-05-30
8:30 AM
0.04
NA
NA
NA
NA
2025-05-29
8:30 AM
0.40
NA
NA
NA
NA
2025-05-28
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-27
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-26
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-25
8:30 AM
T
NA
NA
NA
NA
2025-05-24
8:30 AM
0.09
NA
NA
NA
NA
2025-05-23
8:30 AM
0.37
NA
NA
NA
NA
2025-05-22
9:30 AM
1.08
NA
NA
NA
NA
2025-05-21
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-20
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-19
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-18
8:30 AM
0.03
NA
NA
NA
NA
2025-05-17
8:30 AM
T
NA
NA
NA
NA
2025-05-16
8:30 AM
0.04
NA
NA
NA
NA
2025-05-15
8:30 AM
0.31
NA
NA
NA
NA
2025-05-14
8:30 AM
0.12
NA
NA
NA
NA
2025-05-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-11
8:30 AM
0.00
0.0
NA
NA
NA
2025-05-10
8:30 AM
0.66
NA
NA
NA
NA
2025-05-09
8:30 AM
0.02
NA
NA
NA
NA
2025-04-24
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-23
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-22
8:30 AM
0.05
NA
NA
NA
NA
2025-04-21
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-20
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-19
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-18
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-17
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-16
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-15
8:30 AM
0.10
NA
NA
NA
NA
2025-04-14
8:30 AM
T
NA
NA
NA
NA
2025-04-13
8:30 AM
0.24
NA
NA
NA
NA
2025-04-12
8:30 AM
0.53
NA
NA
NA
NA
2025-04-11
8:30 AM
0.03
NA
NA
NA
NA
2025-04-10
8:30 AM
0.00
0.0
NA
NA
NA
2025-04-09
8:30 AM
0.01
NA
NA
NA
NA
2025-04-08
8:30 AM
0.22
NA
NA
NA
NA
2025-04-07
8:30 AM
0.08
NA
NA
NA
NA
2025-04-06
8:30 AM
0.55
NA
NA
NA
NA
2025-04-05
8:30 AM
T
NA
NA
NA
NA
2025-04-04
8:30 AM
0.08
NA
NA
NA
NA
2025-04-03
8:30 AM
0.05
NA
NA
NA
NA
2025-04-02
8:30 AM
T
NA
NA
NA
NA
2025-04-01
8:30 AM
0.54
NA
NA
NA
NA
2025-03-31
8:30 AM
0.04
NA
NA
NA
NA
2025-03-30
8:30 AM
T
NA
NA
NA
NA
2025-03-29
8:30 AM
0.03
NA
NA
NA
NA
2025-03-28
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-27
8:30 AM
0.01
NA
NA
NA
NA
2025-03-26
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-25
8:30 AM
0.65
NA
NA
NA
NA
2025-03-24
11:20 AM
0.15
NA
NA
NA
NA
2025-03-23
8:30 AM
0.01
NA
NA
NA
NA
2025-03-22
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-21
8:30 AM
0.25
NA
NA
NA
NA
2025-03-20
8:30 AM
0.01
NA
NA
NA
NA
Light mist falling at observation time
2025-03-19
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-18
8:30 AM
0.02
NA
NA
NA
NA
2025-03-17
8:30 AM
1.45
NA
NA
NA
NA
2025-03-16
8:30 AM
0.02
NA
NA
NA
NA
2025-03-15
8:30 AM
T
NA
NA
NA
NA
2025-03-14
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-11
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-10
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-09
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-08
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-07
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-06
8:30 AM
1.49
NA
NA
NA
NA
2025-03-05
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-04
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-03
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-02
8:30 AM
0.00
0.0
NA
NA
NA
2025-03-01
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-28
8:30 AM
0.05
NA
NA
NA
NA
2025-02-27
8:30 AM
T
NA
NA
NA
NA
2025-02-26
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-25
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-24
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-23
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-22
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-21
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-20
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-19
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-18
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-17
8:30 AM
0.75
NA
NA
NA
NA
2025-02-16
8:30 AM
0.85
NA
NA
NA
NA
2025-02-15
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-14
8:30 AM
T
NA
NA
NA
NA
2025-02-13
8:30 AM
0.18
NA
NA
NA
NA
2025-02-12
8:00 AM
0.26
2.3
0.27
NA
NA
2025-02-11
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-10
8:30 AM
0.00
0.0
0.00
2.0
0.66
2025-02-09
8:30 AM
0.68
4.5
0.67
4.5
0.67
2025-02-08
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-07
8:30 AM
0.21
0.0
0.00
0.0
0.00
2025-02-06
8:30 AM
0.18
0.4
0.20
0.4
0.20
snow started overnight and changed to rain
2025-02-05
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-04
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-03
8:30 AM
0.21
0.7
0.23
0.5
0.23
2025-02-02
8:30 AM
0.00
0.0
NA
NA
NA
2025-02-01
8:30 AM
0.20
NA
NA
NA
NA
2025-01-31
8:30 AM
0.03
NA
NA
NA
NA
2025-01-30
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-29
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-28
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-27
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-26
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-25
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-24
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-17
8:30 AM
T
T
T
T
T
2025-01-16
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-15
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-14
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-13
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-12
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-11
8:30 AM
0.02
0.3
0.02
0.3
0.02
2025-01-10
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-09
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-08
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-07
8:30 AM
0.03
0.7
0.03
0.7
0.03
2025-01-06
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-05
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-04
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-03
8:30 AM
0.00
0.0
NA
NA
NA
2025-01-02
8:30 AM
T
NA
NA
NA
NA
2025-01-01
8:30 AM
0.53
NA
NA
NA
NA