794  
CDUS46 KSGX 182321  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
421 PM PDT THU JUL 18 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 18 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 93 2:00 PM 102 2009 94 -1 98  
MINIMUM 69 MM 57 2001 65 4 71  
AVERAGE 81 80 1 85  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2003 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 17.64 11.48 6.16 23.48  
SINCE JAN 1 16.29 8.38 7.91 18.24  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 2 4 -2 16  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 16 15 1 20  
MONTH TO DATE 286 247 39 255  
SINCE JUN 1 571 497 74 346  
SINCE JAN 1 632 711 -79 451    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 3:00 AM  
LOWEST 37 10:00 AM  
AVERAGE 51  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 105 2009  
MINIMUM TEMPERATURE (F) 65 59 2001  
 
SUNRISE AND SUNSET  
JULY 18 2024..........SUNRISE 5:53 AM PDT SUNSET 8:01 PM PDT  
JULY 19 2024..........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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