Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 182032
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
432 PM EDT WED JUN 18 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR JUNE 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 153 PM 89 2014 78 1 80
MINIMUM 65 522 AM 50 1964 62 3 69
1965
AVERAGE 72 70 2 75
PRECIPITATION (IN)
TODAY 0.22 2.13 1967 0.13 0.09 0.00
MONTH TO DATE 1.46 2.67 -1.21 1.90
SINCE JUN 1 1.46 2.67 -1.21 1.90
SINCE JAN 1 17.19 21.47 -4.28 29.28
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 11.7 31.8 -20.1 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 18 27 -9 0
SINCE JUN 1 18 27 -9 0
SINCE JUL 1 4586 5182 -596 4508
COOLING
TODAY 7 6 1 10
MONTH TO DATE 66 65 1 90
SINCE JUN 1 66 65 1 90
SINCE JAN 1 78 94 -16 132
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 76 200 PM
AVERAGE 88
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1994
MINIMUM TEMPERATURE (F) 62 49 1986
SUNRISE AND SUNSET
JUNE 18 2025..........SUNRISE 521 AM EDT SUNSET 827 PM EDT
JUNE 19 2025..........SUNRISE 521 AM EDT SUNSET 827 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$