Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 310618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
218 AM EDT SUN AUG 31 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 30 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 77 305 PM 96 1973 79 -2 75
MINIMUM 56 542 AM 45 1986 64 -8 62
AVERAGE 67 72 -5 69
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 2 7 -5 4
MONTH TO DATE 242 265 -23 276
SINCE JUN 1 911 729 182 872
SINCE JAN 1 923 758 165 914
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 500 AM
LOWEST 31 200 PM
AVERAGE 52
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1973
2010
MINIMUM TEMPERATURE (F) 64 45 1965
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 619 AM EDT SUNSET 726 PM EDT
SEPTEMBER 1 2025.....SUNRISE 620 AM EDT SUNSET 724 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$