585  
CDUS46 KSGX 312325  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
425 PM PDT TUE OCT 31 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 31 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 86 2:50 PM 91 1999 80 6 83  
2015  
2020  
MINIMUM 50 6:36 AM 41 2019 53 -3 50  
AVERAGE 68 66 2 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.18 2014 0.02 -0.02 0.00  
MONTH TO DATE T 0.41 -0.41 0.30  
SINCE JUL 1 2.16 0.59 1.57 0.60  
SINCE OCT 1 T 0.41 -0.41 0.30  
SINCE JAN 1 20.60 8.95 11.65 2.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 4 23 -19 7  
SINCE SEP 1 5 24 -19 7  
SINCE JUL 1 5 24 -19 7  
 
COOLING  
TODAY 3 3 0 2  
MONTH TO DATE 219 176 43 181  
SINCE SEP 1 482 554 -72 679  
SINCE JAN 1 1670 1927 -257 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.7  
 
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 27 2:00 AM  
LOWEST 14 10:00 AM  
AVERAGE 21  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 2020  
MINIMUM TEMPERATURE (F) 53 41 2019  
 
SUNRISE AND SUNSET  
OCTOBER 31 2023.......SUNRISE 7:09 AM PDT SUNSET 5:59 PM PDT  
NOVEMBER 1 2023......SUNRISE 7:10 AM PDT SUNSET 5:58 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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