798  
CDUS41 KOKX 010624  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
224 AM EDT MON MAY 01 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR APRIL 30 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 959 PM 79 2007 64 -4 64  
MINIMUM 50 247 AM 33 1992 46 4 43  
AVERAGE 55 55 0 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 2.21 2014 0.13 0.37 0.00  
MONTH TO DATE 4.02 4.06 -0.04 2.49  
SINCE MAR 1 7.85 8.57 -0.72 6.48  
SINCE JAN 1 14.44 15.52 -1.08 15.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE MAR 1 1.6 7.1 -5.5 1.6  
SINCE JUL 1 5.0 31.8 -26.8 37.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 10 0 11  
MONTH TO DATE 356 460 -104 440  
SINCE MAR 1 1069 1240 -171 1134  
SINCE JUL 1 4208 4959 -751 4544  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 12 2 10 0  
SINCE MAR 1 12 2 10 0  
SINCE JAN 1 12 2 10 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 96 200 PM  
AVERAGE 98  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 84 2001  
MINIMUM TEMPERATURE (F) 46 32 2008  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 551 AM EDT SUNSET 748 PM EDT  
MAY 2 2023...........SUNRISE 550 AM EDT SUNSET 750 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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