465  
CDUS41 KOKX 310617  
CLIISP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NEW YORK, NY  
217 AM EDT MON JUL 31 2023  
   
...............................
 
 
   
..THE ISLIP NY CLIMATE SUMMARY FOR JULY 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 78 505 PM 95 1988 83 -5 88  
MINIMUM 62 1131 PM 52 1968 68 -6 70  
AVERAGE 70 75 -5 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1971 0.13 -0.13 0.07  
MONTH TO DATE 7.19 3.12 4.07 1.27  
SINCE JUN 1 9.09 7.12 1.97 4.08  
SINCE JAN 1 25.44 25.92 -0.48 23.78  
 
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 5 10 -5 14  
MONTH TO DATE 374 297 77 373  
SINCE JUN 1 484 449 35 511  
SINCE JAN 1 508 478 30 562    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 40 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE ISLIP NY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 93 2002  
MINIMUM TEMPERATURE (F) 68 55 2001  
2021  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 548 AM EDT SUNSET 809 PM EDT  
AUGUST 1 2023........SUNRISE 549 AM EDT SUNSET 808 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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