315  
CDUS41 KOKX 250618  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
118 AM EST TUE FEB 25 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR FEBRUARY 24 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 47 248 PM 64 2017 43 4 42  
MINIMUM 28 628 AM 3 2015 27 1 27  
AVERAGE 38 35 3 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 1998 0.13 -0.13 0.00  
MONTH TO DATE 3.65 2.76 0.89 1.37  
SINCE DEC 1 10.48 11.13 -0.65 17.25  
SINCE JAN 1 4.25 6.42 -2.17 8.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.2 2005 0.3 -0.3 0.0  
MONTH TO DATE 6.9 8.4 -1.5 7.8  
SINCE DEC 1 11.7 23.2 -11.5 10.9  
SINCE JUL 1 11.7 23.7 -12.0 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 30 -3 30  
MONTH TO DATE 779 770 9 703  
SINCE DEC 1 2718 2661 57 2322  
SINCE JUL 1 3408 3600 -192 3211  
 
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 S (190)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1100 PM  
LOWEST 45 200 PM  
AVERAGE 64  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 65 1976  
2017  
MINIMUM TEMPERATURE (F) 27 8 1967  
 
SUNRISE AND SUNSET  
FEBRUARY 25 2025......SUNRISE 632 AM EST SUNSET 539 PM EST  
FEBRUARY 26 2025......SUNRISE 630 AM EST SUNSET 540 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NY Page
The Nexlab NJ Page
The Nexlab CT Page Main Text Page