910
CDUS41 KOKX 260619
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT SUN APR 26 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 25 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 50 735 AM 76 1994 62 -12 72
MINIMUM 40 1159 PM 30 1965 44 -4 53
AVERAGE 45 53 -8 63
PRECIPITATION (IN)
YESTERDAY 1.08 1.22 2010 0.14 0.94 T
MONTH TO DATE 1.56 3.41 -1.85 1.43
SINCE MAR 1 5.75 7.92 -2.17 6.19
SINCE JAN 1 11.99 14.87 -2.88 10.51
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 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 20 12 8 2
MONTH TO DATE 364 405 -41 333
SINCE MAR 1 1081 1185 -104 947
SINCE JUL 1 4937 4904 33 4429
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1100 PM
LOWEST 58 700 AM
AVERAGE 78
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 88 2009
MINIMUM TEMPERATURE (F) 45 33 2024
SUNRISE AND SUNSET
APRIL 26 2026.........SUNRISE 557 AM EDT SUNSET 744 PM EDT
APRIL 27 2026.........SUNRISE 556 AM EDT SUNSET 745 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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