953  
CDUS46 KSGX 210017  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
517 PM PDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 20 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 96 2:29 PM 101 2003 82 14 90  
MINIMUM 65 3:42 AM 49 2002 56 9 66  
AVERAGE 81 69 12 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.97 2004 0.02 -0.02 0.00  
MONTH TO DATE T 0.23 -0.23 0.30  
SINCE JUL 1 2.16 0.41 1.75 0.60  
SINCE OCT 1 T 0.23 -0.23 0.30  
SINCE JAN 1 20.60 8.77 11.83 2.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 3 7 -4 1  
SINCE SEP 1 4 8 -4 1  
SINCE JUL 1 4 8 -4 1  
 
COOLING  
TODAY 16 5 11 13  
MONTH TO DATE 199 133 66 166  
SINCE SEP 1 462 511 -49 664  
SINCE JAN 1 1650 1884 -234 2286    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 3:00 AM  
LOWEST 23 1:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 2003  
MINIMUM TEMPERATURE (F) 56 50 2004  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 7:00 AM PDT SUNSET 6:10 PM PDT  
OCTOBER 21 2023.......SUNRISE 7:00 AM PDT SUNSET 6:09 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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