003  
CDUS46 KSGX 202326  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
426 PM PDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 20 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 78 2:09 AM 104 2020 95 -17 91  
MINIMUM 70 8:37 AM 59 2006 65 5 66  
AVERAGE 74 80 -6 79  
 
PRECIPITATION (IN)  
TODAY 0.71R T 2014 0.00 0.71 0.00  
MONTH TO DATE 0.71 0.02 0.69 T  
SINCE JUL 1 0.71 0.07 0.64 0.03  
SINCE OCT 1 24.39 11.53 12.86 9.05  
SINCE JAN 1 19.15 8.43 10.72 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 9 15 -6 14  
MONTH TO DATE 304 300 4 378  
SINCE JUN 1 902 992 -90 1190  
SINCE JAN 1 1007 1206 -199 1446    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 54 2:00 AM  
AVERAGE 77  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 103 2020  
MINIMUM TEMPERATURE (F) 65 57 2011  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 6:15 AM PDT SUNSET 7:32 PM PDT  
AUGUST 21 2023........SUNRISE 6:16 AM PDT SUNSET 7:30 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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