528  
CDUS46 KSGX 010023  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
523 PM PDT WED JUL 31 2024  
   
...............................  
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 31 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 94 2:11 PM 105 2020 95 -1 95  
MINIMUM 64 5:15 AM 59 2010 65 -1 73  
2013  
AVERAGE 79 80 -1 84  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 2011 0.00 0.00 0.00  
MONTH TO DATE 0.00 0.05 -0.05 0.00  
SINCE JUL 1 0.00 0.05 -0.05 0.00  
SINCE OCT 1 17.64 11.51 6.13 23.48  
SINCE JAN 1 16.29 8.41 7.88 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 14 15 -1 19  
MONTH TO DATE 520 442 78 507  
SINCE JUN 1 805 692 113 598  
SINCE JAN 1 866 906 -40 703    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 6:00 AM  
LOWEST 15 12:00 PM  
AVERAGE 38  
   
......................................................  
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 104 2017  
MINIMUM TEMPERATURE (F) 65 58 2010  
 
SUNRISE AND SUNSET  
JULY 31 2024..........SUNRISE 6:02 AM PDT SUNSET 7:52 PM PDT  
AUGUST 1 2024........SUNRISE 6:02 AM PDT SUNSET 7:51 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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