Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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CDUS41 KOKX 312033
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
433 PM EDT THU JUL 31 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR JULY 31 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 89 1225 PM 93 2002 83 6 83
MINIMUM 77 259 PM 55 2001 68 9 76
2021
AVERAGE 83 75 8 80
PRECIPITATION (IN)
TODAY 0.13 2.20 1996 0.14 -0.01 0.00
MONTH TO DATE 2.84 3.26 -0.42 2.55
SINCE JUN 1 4.72 7.26 -2.54 4.99
SINCE JAN 1 20.45 26.06 -5.61 32.37
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 18 30 -12 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 18 10 8 15
MONTH TO DATE 434 312 122 378
SINCE JUN 1 674 464 210 596
SINCE JAN 1 686 493 193 638
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 300 PM
LOWEST 65 800 AM
AVERAGE 78
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1999
2006
MINIMUM TEMPERATURE (F) 68 58 1964
1966
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 548 AM EDT SUNSET 809 PM EDT
AUGUST 1 2025........SUNRISE 549 AM EDT SUNSET 808 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$