875  
CDUS46 KSGX 192331  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
431 PM PDT WED JUL 19 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 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 100 2:16 PM 105 2009 94 6 97  
MINIMUM 71 5:36 AM 59 2001 65 6 70  
AVERAGE 86 80 6 84  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2014 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE JUL 1 0.00 0.02 -0.02 0.00  
SINCE OCT 1 23.68 11.48 12.20 9.02  
SINCE JAN 1 18.44 8.38 10.06 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 21 15 6 19  
MONTH TO DATE 276 262 14 252  
SINCE JUN 1 367 512 -145 630  
SINCE JAN 1 472 726 -254 886    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 5:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 103 2016  
MINIMUM TEMPERATURE (F) 65 58 2001  
 
SUNRISE AND SUNSET  
JULY 19 2023..........SUNRISE 5:53 AM PDT SUNSET 8:01 PM PDT  
JULY 20 2023..........SUNRISE 5:53 AM PDT SUNSET 8:00 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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