AFOS product CLIONT
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CDUS46 KSGX 111021
CLIONT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN DIEGO, CA
221 AM PST THU DEC 11 2025

...................................

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 10 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         85R  3:00 PM  85    2017  67     18       72        
  MINIMUM         52   6:41 AM  31    2013  44      8       50        
  AVERAGE         69                        55     14       61     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.11 2015   0.06  -0.06     0.00     
  MONTH TO DATE    0.00                      0.54  -0.54     0.00     
  SINCE JUL 1      5.21                      1.93   3.28     0.15     
  SINCE OCT 1      5.09                      1.75   3.34     0.15     
  SINCE JAN 1     11.28                     10.29   0.99    16.44     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                        10    -10        4        
  MONTH TO DATE   45                        91    -46       41        
  SINCE DEC 1     45                        91    -46       41        
  SINCE JUL 1    156                       253    -97      192        

 COOLING                                                              
  YESTERDAY        4                         0      4        0        
  MONTH TO DATE    4                         0      4        0        
  SINCE DEC 1      4                         0      4        0        
  SINCE JAN 1   2009                      1967     42     2027        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (290)       
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION     W (280)       
  AVERAGE WIND SPEED     2.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    44           8:00 AM                                      
 LOWEST     15           2:00 PM                                      
 AVERAGE    30                                                        

..........................................................


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   67        83      2004                      
 MINIMUM TEMPERATURE (F)   44        34      1998                      
                                             2011                     


SUNRISE AND SUNSET                                                    
DECEMBER 11 2025......SUNRISE   6:46 AM PST   SUNSET   4:42 PM PST     
DECEMBER 12 2025......SUNRISE   6:47 AM PST   SUNSET   4:42 PM PST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$