384
CDUS41 KOKX 202031
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
431 PM EDT SUN JUL 20 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 20 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 88 124 PM 97 1991 83 5 83
2019
MINIMUM 76 630 AM 52 1996 68 8 66
AVERAGE 82 76 6 75
PRECIPITATION (IN)
TODAY T 0.83 1981 0.10 -0.10 0.00
MONTH TO DATE 2.60 1.98 0.62 1.06
SINCE JUN 1 4.48 5.98 -1.50 3.50
SINCE JAN 1 20.21 24.78 -4.57 30.88
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 0
SINCE JUN 1 18 30 -12 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 17 10 7 10
MONTH TO DATE 270 195 75 253
SINCE JUN 1 510 347 163 471
SINCE JAN 1 522 376 146 513
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 800 AM
LOWEST 63 1200 PM
AVERAGE 77
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1991
MINIMUM TEMPERATURE (F) 68 52 1974
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 538 AM EDT SUNSET 819 PM EDT
JULY 21 2025..........SUNRISE 539 AM EDT SUNSET 818 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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