413
CDUS41 KOKX 150620
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
220 AM EDT FRI MAY 15 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 14 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 67 340 PM 86 1991 68 -1 68
MINIMUM 53 1159 PM 34 1987 50 3 59
1996
1998
AVERAGE 60 59 1 64
PRECIPITATION (IN)
YESTERDAY 0.04 1.23 1978 0.10 -0.06 0.33
MONTH TO DATE 0.70 1.46 -0.76 2.16
SINCE MAR 1 7.04 10.03 -2.99 8.90
SINCE JAN 1 13.28 16.98 -3.70 13.22
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 5 7 -2 1
MONTH TO DATE 127 117 10 38
SINCE MAR 1 1277 1357 -80 1011
SINCE JUL 1 5133 5076 57 4493
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 1 -1 2
SINCE MAR 1 11 3 8 2
SINCE JAN 1 11 3 8 2
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 600 AM
LOWEST 47 400 PM
AVERAGE 72
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 82 1976
MINIMUM TEMPERATURE (F) 50 40 1968
1999
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 535 AM EDT SUNSET 803 PM EDT
MAY 16 2026...........SUNRISE 534 AM EDT SUNSET 804 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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