092  
CDUS41 KOKX 032045  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
445 PM EDT WED SEP 03 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 3 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 76 115 PM 94 1973 79 -3 74  
MINIMUM 56 527 AM 50 1967 63 -7 55  
1975  
1991  
AVERAGE 66 71 -5 65  
 
PRECIPITATION (IN)  
TODAY 0.00 2.23 1984 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.35 -0.35 0.03  
SINCE SEP 1 0.00 0.35 -0.35 0.03  
SINCE JAN 1 23.78 30.65 -6.87 38.90  
 
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 SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 3 -3 1  
 
COOLING  
TODAY 1 6 -5 0  
MONTH TO DATE 6 18 -12 17  
SINCE SEP 1 6 18 -12 17  
SINCE JAN 1 934 782 152 938    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 50 1100 AM  
AVERAGE 72  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 2018  
MINIMUM TEMPERATURE (F) 63 49 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2025.....SUNRISE 622 AM EDT SUNSET 721 PM EDT  
SEPTEMBER 4 2025.....SUNRISE 623 AM EDT SUNSET 719 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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