689
CDUS41 KOKX 200619
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT SUN APR 20 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 19 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 76 120 PM 82 1985 60 16 55
MINIMUM 53 612 AM 27 1965 42 11 45
AVERAGE 65 51 14 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.79 1983 0.14 -0.14 0.00
MONTH TO DATE 1.40 2.60 -1.20 3.16
SINCE MAR 1 6.16 7.11 -0.95 12.70
SINCE JAN 1 10.48 14.06 -3.58 22.42
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1983 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.6 -0.6 0.0
SINCE MAR 1 0.0 7.1 -7.1 0.0
SINCE JUL 1 11.7 31.8 -20.1 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 14 -14 15
MONTH TO DATE 299 328 -29 281
SINCE MAR 1 913 1108 -195 872
SINCE JUL 1 4395 4827 -432 4211
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE MAR 1 0 0 0 1
SINCE JAN 1 0 0 0 1
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 11.0
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 600 AM
LOWEST 45 100 PM
AVERAGE 66
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 83 1976
MINIMUM TEMPERATURE (F) 43 28 1965
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 606 AM EDT SUNSET 737 PM EDT
APRIL 21 2025.........SUNRISE 604 AM EDT SUNSET 739 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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