674
CDUS41 KOKX 010628
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
228 AM EDT FRI AUG 01 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 31 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 89 1225 PM 93 2002 83 6 83
MINIMUM 66 1159 PM 55 2001 68 -2 76
2021
AVERAGE 78 75 3 80
PRECIPITATION (IN)
YESTERDAY 2.93R 2.20 1996 0.14 2.79 0.00
MONTH TO DATE 5.64 3.26 2.38 2.55
SINCE JUN 1 7.52 7.26 0.26 4.99
SINCE JAN 1 23.25 26.06 -2.81 32.37
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 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
YESTERDAY 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
YESTERDAY 13 10 3 15
MONTH TO DATE 429 312 117 378
SINCE JUN 1 669 464 205 596
SINCE JAN 1 681 493 188 638
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 PM
LOWEST 65 800 AM
AVERAGE 81
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1999
2006
MINIMUM TEMPERATURE (F) 68 58 1964
1966
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 549 AM EDT SUNSET 808 PM EDT
AUGUST 2 2025........SUNRISE 550 AM EDT SUNSET 807 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