148  
CDUS41 KOKX 240622  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
222 AM EDT TUE SEP 24 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 23 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 1204 PM 88 1970 72 -4 63  
1980  
MINIMUM 55 602 AM 40 1976 56 -1 58  
AVERAGE 62 64 -2 61  
 
PRECIPITATION (IN)  
YESTERDAY T 1.69 1975 0.11 -0.11 0.32  
MONTH TO DATE 0.06 2.72 -2.66 3.13  
SINCE SEP 1 0.06 2.72 -2.66 3.13  
SINCE JAN 1 38.93 33.02 5.91 33.66  
 
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 3 3 0 4  
MONTH TO DATE 8 26 -18 12  
SINCE SEP 1 8 26 -18 12  
SINCE JUL 1 9 29 -20 12  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 72 96 -24 158  
SINCE SEP 1 72 96 -24 158  
SINCE JAN 1 993 860 133 936    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 52 200 PM  
AVERAGE 73  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 89 2017  
MINIMUM TEMPERATURE (F) 56 38 1963  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2024.....SUNRISE 642 AM EDT SUNSET 645 PM EDT  
SEPTEMBER 25 2024.....SUNRISE 643 AM EDT SUNSET 644 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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