694  
CDUS41 KOKX 221436  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
1036 AM EDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 21 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 87 401 PM 94 1995 81 6 83  
MINIMUM 68 535 AM 47 1977 66 2 66  
AVERAGE 78 73 5 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 1997 0.14 -0.14 0.00  
MONTH TO DATE 4.48 2.96 1.52 0.49  
SINCE JUN 1 13.57 10.22 3.35 4.57  
SINCE JAN 1 29.92 29.02 0.90 24.27  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 28 31 -3 10  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 13 8 5 10  
MONTH TO DATE 190 197 -7 265  
SINCE JUN 1 681 661 20 786  
SINCE JAN 1 705 690 15 837    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 48 1200 PM  
AVERAGE 73  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 91 2019  
MINIMUM TEMPERATURE (F) 65 49 1982  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 609 AM EDT SUNSET 741 PM EDT  
AUGUST 23 2023........SUNRISE 610 AM EDT SUNSET 739 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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