100  
CDUS46 KSGX 042318  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
418 PM PDT TUE JUL 04 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 4 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 91 2:00 PM 101 2008 92 -1 85  
MINIMUM 61 5:07 AM 57 2010 64 -3 59  
AVERAGE 76 78 -2 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00 2004 0.00 0.00 0.00  
2005  
2006  
MONTH TO DATE 0.00 0.00 0.00 0.00  
SINCE JUL 1 0.00 0.00 0.00 0.00  
SINCE OCT 1 23.68 11.46 12.22 9.02  
SINCE JAN 1 18.44 8.36 10.08 1.40  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 16 4 12 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 11 13 -2 7  
MONTH TO DATE 52 50 2 40  
SINCE JUN 1 143 300 -157 418  
SINCE JAN 1 248 514 -266 674    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 21 2:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 93 102 2018  
MINIMUM TEMPERATURE (F) 64 58 2005  
 
SUNRISE AND SUNSET  
JULY 4 2023..........SUNRISE 5:44 AM PDT SUNSET 8:06 PM PDT  
JULY 5 2023..........SUNRISE 5:45 AM PDT SUNSET 8:05 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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