022  
CDUS46 KSGX 031045  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
245 AM PST SUN DEC 03 2023  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 2 2023
 
 
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)  
YESTERDAY  
MAXIMUM 67 2:38 PM 81 2020 69 -2 60  
MINIMUM 42 6:43 AM 31 2004 45 -3 48  
AVERAGE 55 57 -2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 2014 0.05 -0.05 0.05  
MONTH TO DATE T 0.09 -0.09 0.05  
SINCE JUL 1 2.53 1.48 1.05 2.74  
SINCE OCT 1 0.37 1.30 -0.93 2.44  
SINCE JAN 1 20.97 9.84 11.13 4.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 8 2 11  
MONTH TO DATE 19 16 3 22  
SINCE DEC 1 19 16 3 22  
SINCE JUL 1 112 178 -66 248  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1693 1967 -274 2301    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 10:00 PM  
LOWEST 30 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 78 2007  
MINIMUM TEMPERATURE (F) 45 37 2004  
 
SUNRISE AND SUNSET  
DECEMBER 3 2023......SUNRISE 6:39 AM PST SUNSET 4:41 PM PST  
DECEMBER 4 2023......SUNRISE 6:40 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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