865  
CDUS41 KOKX 030633  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
233 AM EDT SAT MAY 03 2025  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 2 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 76 159 PM 87 2001 64 12 65  
MINIMUM 56 534 AM 36 1964 47 9 48  
1969  
2005  
AVERAGE 66 55 11 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 0.68 1985 0.11 0.03 T  
MONTH TO DATE 0.14 0.22 -0.08 T  
SINCE MAR 1 6.88 8.79 -1.91 12.99  
SINCE JAN 1 11.20 15.74 -4.54 22.71  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 7.1 -7.1 0.0  
SINCE JUL 1 11.7 31.8 -20.1 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 8  
MONTH TO DATE 8 20 -12 13  
SINCE MAR 1 981 1260 -279 1038  
SINCE JUL 1 4463 4979 -516 4377  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 2 -1 4  
SINCE JAN 1 1 2 -1 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 60 200 PM  
AVERAGE 79  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 85 2001  
MINIMUM TEMPERATURE (F) 47 33 1966  
 
SUNRISE AND SUNSET  
MAY 3 2025...........SUNRISE 548 AM EDT SUNSET 751 PM EDT  
MAY 4 2025...........SUNRISE 547 AM EDT SUNSET 752 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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