445
CDUS41 KOKX 170619
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
219 AM EDT FRI APR 17 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 16 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 82 133 PM 88 2002 59 23 54
MINIMUM 58 1159 PM 26 1981 41 17 44
AVERAGE 70 50 20 49
PRECIPITATION (IN)
YESTERDAY 0.00 3.19 1983 0.13 -0.13 T
MONTH TO DATE 0.35 2.20 -1.85 1.40
SINCE MAR 1 4.54 6.71 -2.17 6.16
SINCE JAN 1 10.78 13.66 -2.88 10.48
SNOWFALL (IN)
YESTERDAY 0.0 0.2 2014 0.0 0.0 0.0
MONTH TO DATE 0.0 0.5 -0.5 0.0
SINCE MAR 1 0.2 7.0 -6.8 0.0
SINCE JUL 1 61.8 31.7 30.1 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 15 -15 16
MONTH TO DATE 226 285 -59 269
SINCE MAR 1 943 1065 -122 883
SINCE JUL 1 4799 4784 15 4365
COOLING
YESTERDAY 5 0 5 0
MONTH TO DATE 9 0 9 0
SINCE MAR 1 9 0 9 0
SINCE JAN 1 9 0 9 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 47 1200 PM
AVERAGE 65
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 94 2002
MINIMUM TEMPERATURE (F) 42 30 1971
2005
2020
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 610 AM EDT SUNSET 734 PM EDT
APRIL 18 2026.........SUNRISE 609 AM EDT SUNSET 735 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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