009  
CDUS46 KSGX 122319  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
419 PM PDT SAT AUG 12 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 12 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 89 2:59 PM 105 2012 95 -6 101  
MINIMUM 65 5:46 AM 57 2010 65 0 70  
AVERAGE 77 80 -3 86  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00 MM 0.00 0.00 0.00  
MONTH TO DATE T 0.01 -0.01 T  
SINCE JUL 1 T 0.06 -0.06 0.03  
SINCE OCT 1 23.68 11.52 12.16 9.05  
SINCE JAN 1 18.44 8.42 10.02 1.43  
 
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 12 15 -3 21  
MONTH TO DATE 174 180 -6 230  
SINCE JUN 1 772 872 -100 1042  
SINCE JAN 1 877 1086 -209 1298    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 105 2012  
MINIMUM TEMPERATURE (F) 65 59 2010  
 
SUNRISE AND SUNSET  
AUGUST 12 2023........SUNRISE 6:10 AM PDT SUNSET 7:41 PM PDT  
AUGUST 13 2023........SUNRISE 6:10 AM PDT SUNSET 7:40 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page