338
CDUS41 KOKX 120617
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
217 AM EDT TUE MAY 12 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 11 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 60 620 PM 83 1965 67 -7 78
2001
MINIMUM 45 1009 PM 34 1966 49 -4 50
AVERAGE 53 58 -5 64
PRECIPITATION (IN)
YESTERDAY 0.03 0.71 1967 0.10 -0.07 0.00
MONTH TO DATE 0.66 1.17 -0.51 1.71
SINCE MAR 1 7.00 9.74 -2.74 8.45
SINCE JAN 1 13.24 16.69 -3.45 12.77
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 7 5 1
MONTH TO DATE 106 96 10 30
SINCE MAR 1 1256 1336 -80 1003
SINCE JUL 1 5112 5055 57 4485
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE MAR 1 11 2 9 2
SINCE JAN 1 11 2 9 2
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 1000 PM
LOWEST 27 500 PM
AVERAGE 44
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1991
MINIMUM TEMPERATURE (F) 50 37 1969
1983
1990
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 538 AM EDT SUNSET 800 PM EDT
MAY 13 2026...........SUNRISE 537 AM EDT SUNSET 801 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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