813
CDUS41 KOKX 100637
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
237 AM EDT FRI APR 10 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 9 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 47 242 PM 82 2013 56 -9 47
MINIMUM 27 501 AM 26 1977 39 -12 31
1982
2018
AVERAGE 37 47 -10 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.46 1998 0.15 -0.15 0.00
MONTH TO DATE 0.27 1.21 -0.94 0.99
SINCE MAR 1 4.46 5.72 -1.26 5.75
SINCE JAN 1 10.70 12.67 -1.97 10.07
SNOWFALL (IN)
YESTERDAY 0.0 4.5 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 28 18 10 26
MONTH TO DATE 165 171 -6 153
SINCE MAR 1 882 951 -69 767
SINCE JUL 1 4738 4670 68 4249
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 16 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 200 AM
LOWEST 60 1000 AM
AVERAGE 75
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 77 1991
MINIMUM TEMPERATURE (F) 39 25 1975
SUNRISE AND SUNSET
APRIL 10 2026.........SUNRISE 621 AM EDT SUNSET 727 PM EDT
APRIL 11 2026.........SUNRISE 620 AM EDT SUNSET 728 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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