653
CDUS41 KOKX 160631
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
231 AM EDT FRI MAY 16 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 15 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 72 334 PM 82 1976 68 4 62
MINIMUM 61 307 AM 40 1968 50 11 57
1999
AVERAGE 67 59 8 60
PRECIPITATION (IN)
YESTERDAY 0.10 1.35 2024 0.09 0.01 1.35
MONTH TO DATE 2.26 1.55 0.71 2.75
SINCE MAR 1 9.00 10.12 -1.12 15.74
SINCE JAN 1 13.32 17.07 -3.75 25.46
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 0 6 -6 5
MONTH TO DATE 38 123 -85 122
SINCE MAR 1 1011 1363 -352 1147
SINCE JUL 1 4493 5082 -589 4486
COOLING
YESTERDAY 2 1 1 0
MONTH TO DATE 4 2 2 1
SINCE MAR 1 4 4 0 5
SINCE JAN 1 4 4 0 5
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 73 400 PM
AVERAGE 87
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 1998
MINIMUM TEMPERATURE (F) 51 39 2000
SUNRISE AND SUNSET
MAY 16 2025...........SUNRISE 534 AM EDT SUNSET 804 PM EDT
MAY 17 2025...........SUNRISE 533 AM EDT SUNSET 805 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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