010
CDUS41 KOKX 180617
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
217 AM EDT SAT JUL 18 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 248 PM 94 1997 83 1 90
MINIMUM 66 329 AM 56 1966 68 -2 79
AVERAGE 75 76 -1 85
PRECIPITATION (IN)
YESTERDAY 0.00 1.34 2018 0.11 -0.11 0.03
MONTH TO DATE 3.78 1.66 2.12 2.60
SINCE JUN 1 4.60 5.66 -1.06 4.48
SINCE JAN 1 19.86 24.46 -4.60 20.21
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 10 30 -20 18
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 10 0 20
MONTH TO DATE 197 165 32 232
SINCE JUN 1 397 317 80 472
SINCE JAN 1 452 346 106 484
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1100 PM
LOWEST 32 200 PM
AVERAGE 58
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1999
MINIMUM TEMPERATURE (F) 68 58 1971
SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE 536 AM EDT SUNSET 821 PM EDT
JULY 19 2026..........SUNRISE 537 AM EDT SUNSET 820 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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