395
CDUS41 KOKX 240621
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
221 AM EDT SUN MAY 24 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 23 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 56 1015 AM 90 1992 70 -14 63
MINIMUM 50 1159 PM 42 1968 53 -3 46
2006
AVERAGE 53 62 -9 55
PRECIPITATION (IN)
YESTERDAY 0.35 1.31 1979 0.12 0.23 0.04
MONTH TO DATE 1.52 2.36 -0.84 3.89
SINCE MAR 1 7.86 10.93 -3.07 10.63
SINCE JAN 1 14.10 17.88 -3.78 14.95
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 0.2 7.1 -6.9 0.0
SINCE JUL 1 61.8 31.8 30.0 11.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 5 7 10
MONTH TO DATE 158 166 -8 85
SINCE MAR 1 1308 1406 -98 1058
SINCE JUL 1 5164 5125 39 4540
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 34 10 24 12
SINCE MAR 1 45 12 33 12
SINCE JAN 1 45 12 33 12
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 PM
LOWEST 54 100 AM
AVERAGE 74
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THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 89 1975
MINIMUM TEMPERATURE (F) 53 41 1965
SUNRISE AND SUNSET
MAY 24 2026...........SUNRISE 528 AM EDT SUNSET 811 PM EDT
MAY 25 2026...........SUNRISE 527 AM EDT SUNSET 812 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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