871  
CDUS41 KOKX 130619  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
219 AM EDT FRI SEP 13 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR SEPTEMBER 12 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 76 252 PM 90 2005 76 0 83  
MINIMUM 55 537 AM 45 1993 60 -5 69  
AVERAGE 66 68 -2 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.00 1978 0.12 -0.12 0.00  
MONTH TO DATE 0.06 1.36 -1.30 1.47  
SINCE SEP 1 0.06 1.36 -1.30 1.47  
SINCE JAN 1 38.93 31.66 7.27 32.00  
 
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 0 1 -1 0  
MONTH TO DATE 5 5 0 0  
SINCE SEP 1 5 5 0 0  
SINCE JUL 1 6 8 -2 0  
 
COOLING  
YESTERDAY 1 4 -3 11  
MONTH TO DATE 27 63 -36 142  
SINCE SEP 1 27 63 -36 142  
SINCE JAN 1 948 827 121 920    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 50 400 PM  
AVERAGE 74  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 89 2005  
MINIMUM TEMPERATURE (F) 60 48 1973  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2024.....SUNRISE 632 AM EDT SUNSET 704 PM EDT  
SEPTEMBER 14 2024.....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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