888  
CDUS46 KSGX 290023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
523 PM PDT FRI JUL 28 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 28 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 99 12:42 PM 102 1998 95 4 92  
MINIMUM 69 4:12 AM 57 2012 65 4 65  
AVERAGE 84 80 4 79  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2003 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE JUL 1 0.00 0.04 -0.04 0.00  
SINCE OCT 1 23.68 11.50 12.18 9.02  
SINCE JAN 1 18.44 8.40 10.04 1.40  
 
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 19 15 4 14  
MONTH TO DATE 452 397 55 384  
SINCE JUN 1 543 647 -104 762  
SINCE JAN 1 648 861 -213 1018    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 4:00 AM  
LOWEST 30 12:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 102 2018  
MINIMUM TEMPERATURE (F) 65 58 2002  
 
SUNRISE AND SUNSET  
JULY 28 2023..........SUNRISE 5:59 AM PDT SUNSET 7:55 PM PDT  
JULY 29 2023..........SUNRISE 6:00 AM PDT SUNSET 7:54 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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