775
CDUS41 KOKX 170624
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
224 AM EDT SUN AUG 17 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 16 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 82 253 PM 90 1997 82 0 84
2001
2018
MINIMUM 74 1159 PM 50 1972 66 8 68
AVERAGE 78 74 4 76
PRECIPITATION (IN)
YESTERDAY 0.00 2.40 1992 0.14 -0.14 0.00
MONTH TO DATE 0.15 2.27 -2.12 4.43
SINCE JUN 1 7.67 9.53 -1.86 9.42
SINCE JAN 1 23.40 28.33 -4.93 36.80
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 0
SINCE JUN 1 18 31 -13 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 13 9 4 11
MONTH TO DATE 161 154 7 178
SINCE JUN 1 830 618 212 774
SINCE JAN 1 842 647 195 816
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 600 AM
LOWEST 58 300 PM
AVERAGE 72
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 91 1997
MINIMUM TEMPERATURE (F) 66 54 1979
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 605 AM EDT SUNSET 747 PM EDT
AUGUST 18 2025........SUNRISE 606 AM EDT SUNSET 746 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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