376  
CDUS46 KSGX 010922  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
222 AM PDT TUE AUG 01 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 31 2023
 
 
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)  
YESTERDAY  
MAXIMUM 95 2:09 PM 105 2020 95 0 95  
MINIMUM 73 4:38 AM 59 2010 65 8 70  
2013  
AVERAGE 84 80 4 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 2011 0.00 0.00 0.03  
MONTH TO DATE 0.00 0.05 -0.05 0.03  
SINCE JUL 1 0.00 0.05 -0.05 0.03  
SINCE OCT 1 23.68 11.51 12.17 9.05  
SINCE JAN 1 18.44 8.41 10.03 1.43  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 19 15 4 18  
MONTH TO DATE 507 442 65 434  
SINCE JUN 1 598 692 -94 812  
SINCE JAN 1 703 906 -203 1068    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 3:00 AM  
LOWEST 37 5:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 2017  
MINIMUM TEMPERATURE (F) 65 58 2010  
 
SUNRISE AND SUNSET  
AUGUST 1 2023........SUNRISE 6:02 AM PDT SUNSET 7:51 PM PDT  
AUGUST 2 2023........SUNRISE 6:02 AM PDT SUNSET 7:51 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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