739  
CDUS41 KOKX 260650  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
150 AM EST TUE JAN 26 2021  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JANUARY 25 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1963 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 223 PM 55 2010 38 -1 53  
MINIMUM 23 731 AM 5 2004 23 0 36  
AVERAGE 30 30 0 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 1978 0.10 -0.10 0.95  
MONTH TO DATE 1.68 2.99 -1.31 2.14  
SINCE DEC 1 6.18 7.05 -0.87 10.15  
SINCE JAN 1 1.68 2.99 -1.31 2.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 2000 0.2 -0.2 0.0  
MONTH TO DATE 0.2 5.4 -5.2 2.5  
SINCE DEC 1 7.7 10.8 -3.1 6.7  
SINCE JUL 1 7.7 11.3 -3.6 6.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 35 0 20  
MONTH TO DATE 755 863 -108 682  
SINCE DEC 1 1608 1774 -166 1546  
SINCE JUL 1 2379 2790 -411 2489  
 
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 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 800 AM  
LOWEST 38 200 PM  
AVERAGE 46  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 58 1967  
MINIMUM TEMPERATURE (F) 23 7 1991  
 
SUNRISE AND SUNSET  
JANUARY 26 2021.......SUNRISE 708 AM EST SUNSET 503 PM EST  
JANUARY 27 2021.......SUNRISE 707 AM EST SUNSET 504 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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