179  
CDUS41 KOKX 142032  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
432 PM EDT THU SEP 14 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 14 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 77 259 PM 86 1976 76 1 80  
MINIMUM 63 511 AM 41 1975 60 3 61  
AVERAGE 70 68 2 71  
 
PRECIPITATION (IN)  
TODAY 0.00 1.44 1973 0.13 -0.13 0.00  
MONTH TO DATE 1.47 1.60 -0.13 1.50  
SINCE SEP 1 1.47 1.60 -0.13 1.50  
SINCE JAN 1 32.00 31.90 0.10 25.95  
 
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 0 1 -1 0  
MONTH TO DATE 0 7 -7 0  
SINCE SEP 1 0 7 -7 0  
SINCE JUL 1 0 10 -10 0  
 
COOLING  
TODAY 5 4 1 6  
MONTH TO DATE 156 71 85 107  
SINCE SEP 1 156 71 85 107  
SINCE JAN 1 934 835 99 1080    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 39 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 84 2008  
MINIMUM TEMPERATURE (F) 59 40 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 632 AM EDT SUNSET 703 PM EDT  
SEPTEMBER 15 2023.....SUNRISE 633 AM EDT SUNSET 702 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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