401  
CDUS46 KSGX 040933  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
233 AM PDT FRI AUG 04 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 3 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 92 2:06 PM 105 1998 95 -3 93  
MINIMUM 62 5:31 AM 59 2013 65 -3 71  
AVERAGE 77 80 -3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.04 2014 0.00 0.00 0.00  
MONTH TO DATE T 0.00 0.00 T  
SINCE JUL 1 T 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 12 15 -3 17  
MONTH TO DATE 50 45 5 51  
SINCE JUN 1 648 737 -89 863  
SINCE JAN 1 753 951 -198 1119    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 3:00 AM  
LOWEST 24 2:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 1998  
MINIMUM TEMPERATURE (F) 65 58 2002  
 
SUNRISE AND SUNSET  
AUGUST 4 2023........SUNRISE 6:04 AM PDT SUNSET 7:49 PM PDT  
AUGUST 5 2023........SUNRISE 6:05 AM PDT SUNSET 7:48 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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