380
CDUS41 KOKX 200619
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT MON APR 20 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 19 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 51 1102 AM 82 1985 60 -9 76
MINIMUM 37 1032 PM 27 1965 42 -5 53
AVERAGE 44 51 -7 65
PRECIPITATION (IN)
YESTERDAY 0.03 0.79 1983 0.14 -0.11 0.00
MONTH TO DATE 0.38 2.60 -2.22 1.40
SINCE MAR 1 4.57 7.11 -2.54 6.16
SINCE JAN 1 10.81 14.06 -3.25 10.48
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 0.2 7.1 -6.9 0.0
SINCE JUL 1 61.8 31.8 30.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 14 7 0
MONTH TO DATE 258 328 -70 299
SINCE MAR 1 975 1108 -133 913
SINCE JUL 1 4831 4827 4 4395
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 0 11 0
SINCE MAR 1 11 0 11 0
SINCE JAN 1 11 0 11 0
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 71 100 PM
AVERAGE 86
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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 2026.........SUNRISE 606 AM EDT SUNSET 737 PM EDT
APRIL 21 2026.........SUNRISE 605 AM EDT SUNSET 738 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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