330  
CDUS41 KOKX 160619  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
119 AM EST THU JAN 16 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 15 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 150 PM 66 1995 39 -5 29  
MINIMUM 21 1159 PM -7 1988 24 -3 23  
AVERAGE 28 32 -4 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.76 1999 0.12 -0.12 0.07  
MONTH TO DATE 0.03 1.86 -1.83 5.15  
SINCE DEC 1 6.26 6.57 -0.31 13.71  
SINCE JAN 1 0.03 1.86 -1.83 5.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.7 2006 0.4 -0.4 0.5  
MONTH TO DATE 0.4 4.3 -3.9 0.8  
SINCE DEC 1 2.5 8.8 -6.3 0.8  
SINCE JUL 1 2.5 9.3 -6.8 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 33 4 39  
MONTH TO DATE 484 486 -2 418  
SINCE DEC 1 1357 1351 6 1116  
SINCE JUL 1 2047 2290 -243 2005  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 15.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 700 AM  
LOWEST 33 100 PM  
AVERAGE 45  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 60 1995  
MINIMUM TEMPERATURE (F) 24 1 2004  
 
SUNRISE AND SUNSET  
JANUARY 16 2025.......SUNRISE 714 AM EST SUNSET 451 PM EST  
JANUARY 17 2025.......SUNRISE 713 AM EST SUNSET 452 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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