Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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920
CDUS41 KOKX 220617
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
117 AM EST SAT NOV 22 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR NOVEMBER 21 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 53 251 PM 65 1991 52 1 53
2020
MINIMUM 30 1255 AM 18 1987 36 -6 40
AVERAGE 42 44 -2 47
PRECIPITATION (IN)
YESTERDAY 0.00 2.26 2024 0.11 -0.11 2.26
MONTH TO DATE 1.22 2.28 -1.06 2.49
SINCE SEP 1 7.86 9.85 -1.99 2.85
SINCE JAN 1 31.64 40.15 -8.51 41.72
SNOWFALL (IN)
YESTERDAY 0.0 T 1987 0.0 0.0 0.0
2016
2018
MONTH TO DATE T 0.2 -0.2 0.0
SINCE SEP 1 T 0.2 -0.2 0.0
SINCE JUL 1 T 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 21 2 18
MONTH TO DATE 372 378 -6 279
SINCE SEP 1 600 732 -132 501
SINCE JUL 1 600 735 -135 502
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE SEP 1 176 121 55 91
SINCE JAN 1 1104 885 219 1012
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1000 PM
LOWEST 69 200 PM
AVERAGE 78
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 51 64 1973
MINIMUM TEMPERATURE (F) 36 18 2018
SUNRISE AND SUNSET
NOVEMBER 22 2025......SUNRISE 648 AM EST SUNSET 429 PM EST
NOVEMBER 23 2025......SUNRISE 649 AM EST SUNSET 429 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$