Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 262039
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
439 PM EDT SAT APR 26 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR APRIL 26 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 61 259 PM 88 2009 62 -1 56
MINIMUM 58 1056 AM 33 2024 45 13 33
AVERAGE 60 54 6 45
PRECIPITATION (IN)
TODAY 0.36 1.97 1973 0.13 0.23 0.00
MONTH TO DATE 1.79 3.54 -1.75 3.40
SINCE MAR 1 6.55 8.05 -1.50 12.94
SINCE JAN 1 10.87 15.00 -4.13 22.66
SNOWFALL (IN)
TODAY 0.0 MM MM 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 5 12 -7 20
MONTH TO DATE 338 417 -79 399
SINCE MAR 1 952 1197 -245 990
SINCE JUL 1 4434 4916 -482 4329
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 23 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 13.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 900 AM
LOWEST 90 300 AM
AVERAGE 95
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 81 1990
MINIMUM TEMPERATURE (F) 45 32 2002
SUNRISE AND SUNSET
APRIL 26 2025.........SUNRISE 557 AM EDT SUNSET 744 PM EDT
APRIL 27 2025.........SUNRISE 556 AM EDT SUNSET 745 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$