974
CDUS41 KOKX 140618
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
218 AM EDT THU MAY 14 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 13 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 65 242 PM 81 2023 68 -3 70
MINIMUM 51 229 AM 37 2005 50 1 57
AVERAGE 58 59 -1 64
PRECIPITATION (IN)
YESTERDAY T 1.32 2017 0.09 -0.09 0.12
MONTH TO DATE 0.66 1.36 -0.70 1.83
SINCE MAR 1 7.00 9.93 -2.93 8.57
SINCE JAN 1 13.24 16.88 -3.64 12.89
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 7 7 0 1
MONTH TO DATE 122 110 12 37
SINCE MAR 1 1272 1350 -78 1010
SINCE JUL 1 5128 5069 59 4492
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 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 14.4
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1000 PM
LOWEST 52 100 PM
AVERAGE 66
......................................................
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 2026...........SUNRISE 536 AM EDT SUNSET 802 PM EDT
MAY 15 2026...........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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page