417
CDUS41 KOKX 150625
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
225 AM EDT FRI AUG 15 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 14 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 89 1249 PM 97 2016 82 7 86
MINIMUM 73 448 AM 50 1964 66 7 65
AVERAGE 81 74 7 76
PRECIPITATION (IN)
YESTERDAY 0.00 5.32 2011 0.15 -0.15 0.00
MONTH TO DATE 0.15 1.99 -1.84 4.43
SINCE JUN 1 7.67 9.25 -1.58 9.42
SINCE JAN 1 23.40 28.05 -4.65 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 16 9 7 11
MONTH TO DATE 132 136 -4 156
SINCE JUN 1 801 600 201 752
SINCE JAN 1 813 629 184 794
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 600 AM
LOWEST 57 100 PM
AVERAGE 76
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 90 2016
MINIMUM TEMPERATURE (F) 66 48 1964
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 603 AM EDT SUNSET 750 PM EDT
AUGUST 16 2025........SUNRISE 604 AM EDT SUNSET 749 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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