618  
CDUS41 KOKX 180617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT TUE MAR 18 2025  
   
...............................  
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MARCH 17 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 59 122 PM 70 2003 48 11 63  
MINIMUM 39 1159 PM 8 1967 32 7 46  
AVERAGE 49 40 9 55  
 
PRECIPITATION (IN)  
YESTERDAY 1.15R 0.97 1972 0.15 1.00 0.04  
MONTH TO DATE 2.90 2.48 0.42 5.51  
SINCE MAR 1 2.90 2.48 0.42 5.51  
SINCE JAN 1 7.22 9.43 -2.21 15.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 1993 0.2 -0.2 0.0  
MONTH TO DATE 0.0 4.3 -4.3 0.0  
SINCE MAR 1 0.0 4.3 -4.3 0.0  
SINCE JUL 1 11.7 29.0 -17.3 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 25 -9 10  
MONTH TO DATE 377 461 -84 287  
SINCE MAR 1 377 461 -84 287  
SINCE JUL 1 3859 4180 -321 3626  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 63 600 PM  
AVERAGE 82  
   
......................................................  
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 77 2011  
MINIMUM TEMPERATURE (F) 32 0 1967  
 
SUNRISE AND SUNSET  
MARCH 18 2025.........SUNRISE 659 AM EDT SUNSET 703 PM EDT  
MARCH 19 2025.........SUNRISE 657 AM EDT SUNSET 704 PM EDT  
 
- 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