391  
CDUS46 KSGX 250021  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
521 PM PDT MON JUL 24 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 24 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 102 2:24 PM 108 2019 95 7 91  
MINIMUM 68 4:38 AM 59 1999 65 3 64  
AVERAGE 85 80 5 78  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2005 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.03 -0.03 0.00  
SINCE JUL 1 0.00 0.03 -0.03 0.00  
SINCE OCT 1 23.68 11.49 12.19 9.02  
SINCE JAN 1 18.44 8.39 10.05 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 20 15 5 13  
MONTH TO DATE 367 337 30 329  
SINCE JUN 1 458 587 -129 707  
SINCE JAN 1 563 801 -238 963    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 12:00 AM  
LOWEST 29 1:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 2018  
MINIMUM TEMPERATURE (F) 65 57 1999  
 
SUNRISE AND SUNSET  
JULY 24 2023..........SUNRISE 5:56 AM PDT SUNSET 7:57 PM PDT  
JULY 25 2023..........SUNRISE 5:57 AM PDT SUNSET 7:57 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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