299
CDUS41 KOKX 250633
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
233 AM EDT FRI SEP 25 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 24 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 67 233 PM 89 2017 72 -5 80
MINIMUM 54 1223 AM 38 1963 56 -2 70
AVERAGE 61 64 -3 75
PRECIPITATION (IN)
YESTERDAY 0.00 1.23 2021 0.12 -0.12 0.07
MONTH TO DATE 4.72 2.84 1.88 1.31
SINCE SEP 1 4.72 2.84 1.88 1.31
SINCE JAN 1 36.35 33.14 3.21 25.09
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 3 1 0
MONTH TO DATE 12 29 -17 7
SINCE SEP 1 12 29 -17 7
SINCE JUL 1 12 32 -20 7
COOLING
YESTERDAY 0 2 -2 10
MONTH TO DATE 111 98 13 103
SINCE SEP 1 111 98 13 103
SINCE JAN 1 984 862 122 1031
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 15.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 100 AM
LOWEST 43 400 PM
AVERAGE 60
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 2010
MINIMUM TEMPERATURE (F) 56 38 1963
SUNRISE AND SUNSET
SEPTEMBER 25 2026.....SUNRISE 643 AM EDT SUNSET 644 PM EDT
SEPTEMBER 26 2026.....SUNRISE 644 AM EDT SUNSET 643 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page