Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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023
CDUS41 KOKX 292110
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
510 PM EDT FRI AUG 29 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 29 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 78 150 PM 92 2018 80 -2 79
MINIMUM 65 143 AM 46 1986 64 1 67
AVERAGE 72 72 0 73
PRECIPITATION (IN)
TODAY T 2.72 2002 0.11 -0.11 0.00
MONTH TO DATE 0.53 4.02 -3.49 6.46
SINCE JUN 1 8.05 11.28 -3.23 11.45
SINCE JAN 1 23.78 30.08 -6.30 38.83
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 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 18 31 -13 1
SINCE JUL 1 0 1 -1 1
COOLING
TODAY 7 7 0 8
MONTH TO DATE 240 258 -18 272
SINCE JUN 1 909 722 187 868
SINCE JAN 1 921 751 170 910
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 600 AM
LOWEST 62 1100 AM
AVERAGE 72
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 96 1973
MINIMUM TEMPERATURE (F) 64 45 1986
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 617 AM EDT SUNSET 729 PM EDT
AUGUST 30 2025........SUNRISE 618 AM EDT SUNSET 727 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$