062  
CDUS41 KOKX 212031  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
431 PM EDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR MAY 21 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1963 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 68 251 PM 90 1996 70 -2 71  
2022  
MINIMUM 53 336 AM 39 2002 52 1 56  
2020  
AVERAGE 61 61 0 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.90 1985 0.10 -0.10 T  
MONTH TO DATE 2.86 2.13 0.73 1.89  
SINCE MAR 1 15.85 10.70 5.15 9.74  
SINCE JAN 1 25.57 17.65 7.92 16.33  
 
SNOWFALL (IN)  
TODAY 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 1.6  
SINCE JUL 1 10.9 31.8 -20.9 5.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 5 -1 1  
MONTH TO DATE 141 156 -15 143  
SINCE MAR 1 1166 1396 -230 1212  
SINCE JUL 1 4505 5115 -610 4351  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 1 8 -7 12  
SINCE MAR 1 5 10 -5 24  
SINCE JAN 1 5 10 -5 24    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 73 200 PM  
AVERAGE 87  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1992  
MINIMUM TEMPERATURE (F) 53 37 2002  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 530 AM EDT SUNSET 809 PM EDT  
MAY 22 2024...........SUNRISE 529 AM EDT SUNSET 810 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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