Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 050633
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
133 AM EST FRI DEC 05 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 4 2025...
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)
YESTERDAY
MAXIMUM 45 257 PM 73 1998 48 -3 46
MINIMUM 26 1159 PM 13 1966 33 -7 21
AVERAGE 36 40 -4 34
PRECIPITATION (IN)
YESTERDAY 0.00 2.45 1964 0.16 -0.16 0.13
MONTH TO DATE 1.33 0.61 0.72 0.13
SINCE DEC 1 1.33 0.61 0.72 0.13
SINCE JAN 1 34.47 41.89 -7.42 42.70
SNOWFALL (IN)
YESTERDAY 0.0 1.8 2005 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 T
SINCE DEC 1 0.0 0.2 -0.2 T
SINCE JUL 1 T 0.7 -0.7 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 25 4 31
MONTH TO DATE 112 98 14 131
SINCE DEC 1 112 98 14 131
SINCE JUL 1 901 1037 -136 821
COOLING
YESTERDAY 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 28 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 1200 AM
LOWEST 34 900 PM
AVERAGE 55
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 70 2001
MINIMUM TEMPERATURE (F) 32 13 1966
SUNRISE AND SUNSET
DECEMBER 5 2025......SUNRISE 701 AM EST SUNSET 425 PM EST
DECEMBER 6 2025......SUNRISE 702 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.
$$