Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 302033
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
433 PM EDT SAT AUG 30 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 30 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 76 255 PM 96 1973 79 -3 75
MINIMUM 56 542 AM 45 1986 64 -8 62
AVERAGE 66 72 -6 69
PRECIPITATION (IN)
TODAY 0.00 0.54 1974 0.11 -0.11 0.04
MONTH TO DATE 0.53 4.13 -3.60 6.50
SINCE JUN 1 8.05 11.39 -3.34 11.49
SINCE JAN 1 23.78 30.19 -6.41 38.87
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 1 7 -6 4
MONTH TO DATE 241 265 -24 276
SINCE JUN 1 910 729 181 872
SINCE JAN 1 922 758 164 914
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 500 AM
LOWEST 31 200 PM
AVERAGE 52
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1973
2010
MINIMUM TEMPERATURE (F) 64 45 1965
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 618 AM EDT SUNSET 727 PM EDT
AUGUST 31 2025........SUNRISE 619 AM EDT SUNSET 726 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$