976  
CDUS41 KOKX 010622  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
222 AM EDT TUE SEP 01 2026  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 31 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 143 PM 94 1973 79 -2 79  
2010  
MINIMUM 68 629 AM 45 1965 64 4 60  
AVERAGE 73 72 1 70  
 
PRECIPITATION (IN)  
YESTERDAY T 0.65 1981 0.11 -0.11 0.00  
MONTH TO DATE 7.94 4.24 3.70 0.53  
SINCE JUN 1 16.37 11.50 4.87 8.05  
SINCE JAN 1 31.63 30.30 1.33 23.78  
 
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 10 31 -21 18  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 8 7 1 5  
MONTH TO DATE 318 271 47 247  
SINCE JUN 1 818 735 83 916  
SINCE JAN 1 873 764 109 928    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 64 1000 AM  
AVERAGE 79  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2010  
MINIMUM TEMPERATURE (F) 64 49 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2026.....SUNRISE 619 AM EDT SUNSET 725 PM EDT  
SEPTEMBER 2 2026.....SUNRISE 620 AM EDT SUNSET 723 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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