238  
CDUS41 KOKX 180626  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
226 AM EDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 17 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 86 1110 AM 94 1997 83 3 83  
MINIMUM 74 614 AM 56 1966 68 6 73  
AVERAGE 80 76 4 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 2018 0.11 -0.11 T  
MONTH TO DATE 6.00 1.66 4.34 0.52  
SINCE JUN 1 7.90 5.66 2.24 3.33  
SINCE JAN 1 24.25 24.46 -0.21 23.03  
 
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 30 -2 10  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 10 5 13  
MONTH TO DATE 218 165 53 175  
SINCE JUN 1 328 317 11 313  
SINCE JAN 1 352 346 6 364    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 61 1100 AM  
AVERAGE 81  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1999  
MINIMUM TEMPERATURE (F) 68 58 1971  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 536 AM EDT SUNSET 821 PM EDT  
JULY 19 2023..........SUNRISE 537 AM EDT SUNSET 820 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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