Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 012139
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
439 PM EST MON DEC 01 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 1 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 46 220 PM 67 2001 49 -3 38
MINIMUM 36 728 AM 15 1976 33 3 23
AVERAGE 41 41 0 31
PRECIPITATION (IN)
TODAY 0.00 1.41 1977 0.15 -0.15 0.00
MONTH TO DATE 0.00 0.15 -0.15 0.00
SINCE DEC 1 0.00 0.15 -0.15 0.00
SINCE JAN 1 33.14 41.43 -8.29 42.57
SNOWFALL (IN)
TODAY 0.0 0.2 2019 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE DEC 1 0.0 0.0 0.0 0.0
SINCE JUL 1 T 0.5 -0.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 24 24 0 34
MONTH TO DATE 24 24 0 34
SINCE DEC 1 24 24 0 34
SINCE JUL 1 813 963 -150 724
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1104 885 219 1012
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 12.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1200 AM
LOWEST 35 300 PM
AVERAGE 62
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 60 1985
1998
MINIMUM TEMPERATURE (F) 33 12 1989
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 658 AM EST SUNSET 425 PM EST
DECEMBER 2 2025......SUNRISE 659 AM EST SUNSET 425 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$