322  
CDUS41 KOKX 010617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 31 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 422 PM 94 1973 79 -3 86  
2010  
MINIMUM 64 622 AM 45 1965 64 0 66  
AVERAGE 70 72 -2 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1981 0.11 -0.11 T  
MONTH TO DATE 5.09 4.24 0.85 0.67  
SINCE JUN 1 14.18 11.50 2.68 4.75  
SINCE JAN 1 30.53 30.30 0.23 24.45  
 
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 28 31 -3 10  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 5 7 -2 11  
MONTH TO DATE 263 271 -8 401  
SINCE JUN 1 754 735 19 922  
SINCE JAN 1 778 764 14 973    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 500 AM  
LOWEST 37 200 PM  
AVERAGE 58  
   
......................................................
 
 
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 2023.....SUNRISE 619 AM EDT SUNSET 725 PM EDT  
SEPTEMBER 2 2023.....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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