405  
CDUS41 KOKX 202142  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
442 PM EST THU FEB 20 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR FEBRUARY 20 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 32 208 PM 64 2018 42 -10 37  
MINIMUM 19 725 AM 2 2015 26 -7 22  
AVERAGE 26 34 -8 30  
 
PRECIPITATION (IN)  
TODAY 0.00 0.71 1981 0.12 -0.12 0.00  
MONTH TO DATE 3.65 2.26 1.39 1.21  
SINCE DEC 1 10.48 10.63 -0.15 17.09  
SINCE JAN 1 4.25 5.92 -1.67 8.53  
 
SNOWFALL (IN)  
TODAY 0.0 1.4 2019 0.3 -0.3 0.0  
MONTH TO DATE 6.8 7.2 -0.4 7.8  
SINCE DEC 1 11.6 22.0 -10.4 10.9  
SINCE JUL 1 11.6 22.5 -10.9 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 39 31 8 35  
MONTH TO DATE 656 649 7 586  
SINCE DEC 1 2595 2540 55 2205  
SINCE JUL 1 3285 3479 -194 3094  
 
COOLING  
TODAY 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 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 600 AM  
LOWEST 41 200 PM  
AVERAGE 54  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 63 2002  
MINIMUM TEMPERATURE (F) 27 2 1968  
2015  
 
SUNRISE AND SUNSET  
FEBRUARY 20 2025......SUNRISE 639 AM EST SUNSET 533 PM EST  
FEBRUARY 21 2025......SUNRISE 638 AM EST SUNSET 535 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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