878  
CDUS46 KSGX 120919  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
219 AM PDT WED JUL 12 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 11 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 98 2:30 PM 105 2020 94 4 93  
MINIMUM 66 5:18 AM 57 2001 65 1 64  
AVERAGE 82 79 3 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T 2013 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.01 -0.01 0.00  
SINCE JUL 1 0.00 0.01 -0.01 0.00  
SINCE OCT 1 23.68 11.47 12.21 9.02  
SINCE JAN 1 18.44 8.37 10.07 1.40  
 
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 17 14 3 14  
MONTH TO DATE 122 146 -24 127  
SINCE JUN 1 213 396 -183 505  
SINCE JAN 1 318 610 -292 761    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 4:00 AM  
LOWEST 13 12:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 103 1999  
MINIMUM TEMPERATURE (F) 65 56 2001  
 
SUNRISE AND SUNSET  
JULY 12 2023..........SUNRISE 5:48 AM PDT SUNSET 8:04 PM PDT  
JULY 13 2023..........SUNRISE 5:49 AM PDT SUNSET 8:03 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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