648  
CDUS46 KSGX 060020  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
420 PM PST TUE DEC 05 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 5 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 84R 3:19 PM 80 2007 68 16 63  
MINIMUM 50 3:41 AM 34 2011 44 6 48  
AVERAGE 67 56 11 56  
 
PRECIPITATION (IN)  
TODAY 0.00 0.62 2018 0.05 -0.05 T  
MONTH TO DATE T 0.25 -0.25 0.05  
SINCE JUL 1 2.53 1.64 0.89 2.74  
SINCE OCT 1 0.37 1.46 -1.09 2.44  
SINCE JAN 1 20.97 10.00 10.97 4.14  
 
DEGREE DAYS  
HEATING  
TODAY 0 9 -9 9  
MONTH TO DATE 32 43 -11 45  
SINCE DEC 1 32 43 -11 45  
SINCE JUL 1 125 205 -80 271  
 
COOLING  
TODAY 2 0 2 0  
MONTH TO DATE 2 0 2 0  
SINCE DEC 1 2 0 2 0  
SINCE JAN 1 1695 1967 -272 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 3:00 AM  
LOWEST 17 3:00 PM  
AVERAGE 40  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 79 2006  
2017  
MINIMUM TEMPERATURE (F) 44 32 2011  
 
SUNRISE AND SUNSET  
DECEMBER 5 2023......SUNRISE 6:41 AM PST SUNSET 4:41 PM PST  
DECEMBER 6 2023......SUNRISE 6:42 AM PST SUNSET 4:41 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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