159
CDUS41 KOKX 212033
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
433 PM EDT MON APR 21 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 21 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 56 125 PM 76 1976 61 -5 52
1996
2007
MINIMUM 45 512 AM 30 1965 43 2 36
AVERAGE 51 52 -1 44
PRECIPITATION (IN)
TODAY 0.00 3.44 2000 0.13 -0.13 0.00
MONTH TO DATE 1.40 2.86 -1.46 3.34
SINCE MAR 1 6.16 7.37 -1.21 12.88
SINCE JAN 1 10.48 14.32 -3.84 22.60
SNOWFALL (IN)
TODAY 0.0 T 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.6 -0.6 0.0
SINCE MAR 1 0.0 7.1 -7.1 0.0
SINCE JUL 1 11.7 31.8 -20.1 10.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 14 13 1 21
MONTH TO DATE 318 355 -37 313
SINCE MAR 1 932 1135 -203 904
SINCE JUL 1 4414 4854 -440 4243
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE MAR 1 0 0 0 1
SINCE JAN 1 0 0 0 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 300 PM
LOWEST 31 800 AM
AVERAGE 43
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 75 1985
2007
MINIMUM TEMPERATURE (F) 43 29 1975
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 604 AM EDT SUNSET 739 PM EDT
APRIL 22 2025.........SUNRISE 603 AM EDT SUNSET 740 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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