903  
CDUS41 KOKX 260639  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
239 AM EDT THU SEP 26 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 25 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 68 148 PM 87 2010 72 -4 63  
MINIMUM 57 241 AM 38 1963 56 1 58  
AVERAGE 63 64 -1 61  
 
PRECIPITATION (IN)  
YESTERDAY T 1.69 1975 0.12 -0.12 0.38  
MONTH TO DATE 0.06 2.96 -2.90 4.25  
SINCE SEP 1 0.06 2.96 -2.90 4.25  
SINCE JAN 1 38.93 33.26 5.67 34.78  
 
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 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 3 -1 4  
MONTH TO DATE 15 32 -17 18  
SINCE SEP 1 15 32 -17 18  
SINCE JUL 1 16 35 -19 18  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 72 100 -28 158  
SINCE SEP 1 72 100 -28 158  
SINCE JAN 1 993 864 129 936    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1100 PM  
LOWEST 63 900 AM  
AVERAGE 77  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 85 1970  
MINIMUM TEMPERATURE (F) 55 40 1963  
1987  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2024.....SUNRISE 644 AM EDT SUNSET 642 PM EDT  
SEPTEMBER 27 2024.....SUNRISE 645 AM EDT SUNSET 640 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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