561  
CDUS41 KOKX 110624  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
224 AM EDT WED SEP 11 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 10 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 317 PM 90 1983 77 1 82  
MINIMUM 56 539 AM 39 1975 61 -5 71  
AVERAGE 67 69 -2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.75 2020 0.12 -0.12 0.28  
MONTH TO DATE 0.06 1.13 -1.07 0.28  
SINCE SEP 1 0.06 1.13 -1.07 0.28  
SINCE JAN 1 38.93 31.43 7.50 30.81  
 
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 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  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 5 3 2 0  
SINCE SEP 1 5 3 2 0  
SINCE JUL 1 6 6 0 0  
 
COOLING  
YESTERDAY 2 5 -3 12  
MONTH TO DATE 25 55 -30 121  
SINCE SEP 1 25 55 -30 121  
SINCE JAN 1 946 819 127 899    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 37 500 PM  
AVERAGE 65  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 1983  
MINIMUM TEMPERATURE (F) 61 45 1969  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2024.....SUNRISE 630 AM EDT SUNSET 707 PM EDT  
SEPTEMBER 12 2024.....SUNRISE 631 AM EDT SUNSET 706 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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