693  
CDUS46 KSGX 272335  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
435 PM PDT THU JUL 27 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR JULY 27 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 102R 2:33 PM 102 1998 95 7 94  
MINIMUM 73 5:36 AM 57 2012 65 8 64  
AVERAGE 88 80 8 79  
 
PRECIPITATION (IN)  
TODAY 0.00 T 2015 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 23 15 8 14  
MONTH TO DATE 434 382 52 370  
SINCE JUN 1 525 632 -107 748  
SINCE JAN 1 630 846 -216 1004    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.4  
 
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 55 5:00 AM  
LOWEST 23 11:00 AM  
AVERAGE 39  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 95 102 1998  
MINIMUM TEMPERATURE (F) 65 57 2012  
 
SUNRISE AND SUNSET  
JULY 27 2023..........SUNRISE 5:58 AM PDT SUNSET 7:55 PM PDT  
JULY 28 2023..........SUNRISE 5:59 AM PDT SUNSET 7:55 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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