304  
CDUS41 KOKX 300625  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
225 AM EDT MON SEP 30 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 29 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 65 233 PM 81 2015 70 -5 62  
MINIMUM 60 859 PM 39 1976 54 6 58  
AVERAGE 63 62 1 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.15 2023 0.13 -0.13 2.15  
MONTH TO DATE 0.24 3.46 -3.22 6.55  
SINCE SEP 1 0.24 3.46 -3.22 6.55  
SINCE JAN 1 39.11 33.76 5.35 37.08  
 
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 2 4 -2 5  
MONTH TO DATE 18 48 -30 39  
SINCE SEP 1 18 48 -30 39  
SINCE JUL 1 19 51 -32 39  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 80 107 -27 158  
SINCE SEP 1 80 107 -27 158  
SINCE JAN 1 1001 871 130 936    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 78 100 PM  
AVERAGE 86  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 82 1986  
MINIMUM TEMPERATURE (F) 53 40 1992  
2000  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2024.....SUNRISE 648 AM EDT SUNSET 635 PM EDT  
OCTOBER 1 2024.......SUNRISE 649 AM EDT SUNSET 634 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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