864  
CDUS46 KSGX 020921  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
221 AM PDT WED AUG 02 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 1 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 96 2:46 PM 104 2017 95 1 96  
MINIMUM 73 11:59 PM 58 2010 65 8 70  
AVERAGE 85 80 5 83  
 
PRECIPITATION (IN)  
YESTERDAY T R T 2017 0.00 0.00 T  
2022  
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 20 15 5 18  
MONTH TO DATE 20 15 5 18  
SINCE JUN 1 618 707 -89 830  
SINCE JAN 1 723 921 -198 1086    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 5:00 AM  
LOWEST 32 5:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 2021  
MINIMUM TEMPERATURE (F) 65 58 2013  
 
SUNRISE AND SUNSET  
AUGUST 2 2023........SUNRISE 6:02 AM PDT SUNSET 7:51 PM PDT  
AUGUST 3 2023........SUNRISE 6:03 AM PDT SUNSET 7:50 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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