417  
CDUS46 KSGX 212322  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
422 PM PDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 21 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 89 1:46 PM 101 2003 81 8 83  
MINIMUM 63 5:36 AM 50 2004 56 7 61  
AVERAGE 76 69 7 72  
 
PRECIPITATION (IN)  
TODAY 0.00 0.03 2010 0.01 -0.01 0.00  
MONTH TO DATE T 0.24 -0.24 0.30  
SINCE JUL 1 2.16 0.42 1.74 0.60  
SINCE OCT 1 T 0.24 -0.24 0.30  
SINCE JAN 1 20.60 8.78 11.82 2.00  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 3 8 -5 1  
SINCE SEP 1 4 9 -5 1  
SINCE JUL 1 4 9 -5 1  
 
COOLING  
TODAY 11 5 6 7  
MONTH TO DATE 210 138 72 173  
SINCE SEP 1 473 516 -43 671  
SINCE JAN 1 1661 1889 -228 2293    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.1  
 
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 68 4:00 AM  
LOWEST 31 11:00 AM  
AVERAGE 50  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 2003  
MINIMUM TEMPERATURE (F) 56 50 2004  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 7:00 AM PDT SUNSET 6:09 PM PDT  
OCTOBER 22 2023.......SUNRISE 7:01 AM PDT SUNSET 6:08 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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