810  
CDUS41 KOKX 262033  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
433 PM EDT TUE SEP 26 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 26 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 1110 AM 85 1970 71 -10 73  
MINIMUM 58 1243 PM 40 1963 55 3 57  
1987  
AVERAGE 60 63 -3 65  
 
PRECIPITATION (IN)  
TODAY 0.09 2.39 2008 0.12 -0.03 T  
MONTH TO DATE 4.34 3.08 1.26 2.89  
SINCE SEP 1 4.34 3.08 1.26 2.89  
SINCE JAN 1 34.87 33.38 1.49 27.34  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 5 4 1 0  
MONTH TO DATE 23 36 -13 19  
SINCE SEP 1 23 36 -13 19  
SINCE JUL 1 23 39 -16 19  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 158 102 56 140  
SINCE SEP 1 158 102 56 140  
SINCE JAN 1 936 866 70 1113    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 AM  
LOWEST 83 200 AM  
AVERAGE 88  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1998  
2017  
MINIMUM TEMPERATURE (F) 55 38 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2023.....SUNRISE 644 AM EDT SUNSET 643 PM EDT  
SEPTEMBER 27 2023.....SUNRISE 645 AM EDT SUNSET 641 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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