343
CDUS41 KOKX 140618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
218 AM EDT WED MAY 14 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 13 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 1225 PM 81 2023 68 2 64
MINIMUM 57 501 AM 37 2005 50 7 42
AVERAGE 64 59 5 53
PRECIPITATION (IN)
YESTERDAY 0.12 1.32 2017 0.09 0.03 0.00
MONTH TO DATE 1.83 1.36 0.47 1.40
SINCE MAR 1 8.57 9.93 -1.36 14.39
SINCE JAN 1 12.89 16.88 -3.99 24.11
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 MAR 1 0.0 7.1 -7.1 0.0
SINCE JUL 1 11.7 31.8 -20.1 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 7 -6 12
MONTH TO DATE 37 110 -73 112
SINCE MAR 1 1010 1350 -340 1137
SINCE JUL 1 4492 5069 -577 4476
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 1
SINCE MAR 1 2 2 0 5
SINCE JAN 1 2 2 0 5
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 70 1200 PM
AVERAGE 82
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 1991
MINIMUM TEMPERATURE (F) 50 34 1987
1996
1998
SUNRISE AND SUNSET
MAY 14 2025...........SUNRISE 536 AM EDT SUNSET 802 PM EDT
MAY 15 2025...........SUNRISE 535 AM EDT SUNSET 803 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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