715  
CDUS46 KSGX 200023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
523 PM PDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 19 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 11:21 AM 107 2020 95 -6 97  
MINIMUM 65 5:03 AM 59 2009 65 0 67  
AVERAGE 77 80 -3 82  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2021 0.00 0.00 0.00  
MONTH TO DATE T 0.02 -0.02 T  
SINCE JUL 1 T 0.07 -0.07 0.03  
SINCE OCT 1 23.68 11.53 12.15 9.05  
SINCE JAN 1 18.44 8.43 10.01 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 17  
MONTH TO DATE 295 285 10 364  
SINCE JUN 1 893 977 -84 1176  
SINCE JAN 1 998 1191 -193 1432    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 6:00 AM  
LOWEST 33 12:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 2020  
MINIMUM TEMPERATURE (F) 65 59 2006  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 6:15 AM PDT SUNSET 7:33 PM PDT  
AUGUST 20 2023........SUNRISE 6:15 AM PDT SUNSET 7:32 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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