501
CDUS41 KOKX 110620
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
220 AM EDT SAT APR 11 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 10 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 53 1222 PM 77 1991 56 -3 50
MINIMUM 33 335 AM 25 1975 39 -6 36
AVERAGE 43 48 -5 43
PRECIPITATION (IN)
YESTERDAY 0.00 2.21 1983 0.15 -0.15 T
MONTH TO DATE 0.27 1.36 -1.09 0.99
SINCE MAR 1 4.46 5.87 -1.41 5.75
SINCE JAN 1 10.70 12.82 -2.12 10.07
SNOWFALL (IN)
YESTERDAY 0.0 4.0 1996 0.0 0.0 0.0
MONTH TO DATE 0.0 0.4 -0.4 0.0
SINCE MAR 1 0.2 6.9 -6.7 0.0
SINCE JUL 1 61.8 31.6 30.2 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 17 5 22
MONTH TO DATE 187 188 -1 175
SINCE MAR 1 904 968 -64 789
SINCE JUL 1 4760 4687 73 4271
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 56 1100 AM
AVERAGE 76
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 71 2023
MINIMUM TEMPERATURE (F) 40 26 2007
2018
SUNRISE AND SUNSET
APRIL 11 2026.........SUNRISE 620 AM EDT SUNSET 728 PM EDT
APRIL 12 2026.........SUNRISE 618 AM EDT SUNSET 729 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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