039
CDUS41 KOKX 130639
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
239 AM EDT SUN APR 13 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 12 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 42 257 PM 87 1977 57 -15 62
MINIMUM 39 1159 PM 27 1976 40 -1 51
AVERAGE 41 48 -7 57
PRECIPITATION (IN)
YESTERDAY 0.14 1.82 2007 0.15 -0.01 0.37
MONTH TO DATE 1.27 1.65 -0.38 2.86
SINCE MAR 1 6.03 6.16 -0.13 12.40
SINCE JAN 1 10.35 13.11 -2.76 22.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1990 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.5 -0.5 0.0
SINCE MAR 1 0.0 7.0 -7.0 0.0
SINCE JUL 1 11.7 31.7 -20.0 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 24 17 7 8
MONTH TO DATE 218 222 -4 197
SINCE MAR 1 832 1002 -170 788
SINCE JUL 1 4314 4721 -407 4127
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 17.8
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 PM
LOWEST 89 200 AM
AVERAGE 93
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 84 2023
MINIMUM TEMPERATURE (F) 40 27 1990
SUNRISE AND SUNSET
APRIL 13 2025.........SUNRISE 616 AM EDT SUNSET 730 PM EDT
APRIL 14 2025.........SUNRISE 615 AM EDT SUNSET 731 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