AFOS product CLIONT
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CDUS46 KSGX 010016
CLIONT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN DIEGO, CA
516 PM PDT FRI OCT 31 2025

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

...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 31 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)                                                          
 TODAY                                                               
  MAXIMUM         82   2:59 PM  91    1999  80      2       73        
                                      2015                           
                                      2020                           
  MINIMUM         58   6:47 AM  41    2019  53      5       50        
  AVERAGE         70                        66      4       62     

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.18 2014   0.02  -0.02     0.00     
  MONTH TO DATE    1.08                      0.41   0.67     0.06     
  SINCE JUL 1      1.20                      0.59   0.61     0.06     
  SINCE OCT 1      1.08                      0.41   0.67     0.06     
  SINCE JAN 1      7.27                      8.95  -1.68    16.35     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         2     -2        3        
  MONTH TO DATE   14                        23     -9       13        
  SINCE SEP 1     14                        24    -10       13        
  SINCE JUL 1     14                        24    -10       13        

 COOLING                                                              
  TODAY            5                         3      2        0        
  MONTH TO DATE  152                       176    -24      267        
  SINCE SEP 1    552                       554     -2      653        
  SINCE JAN 1   1941                      1927     14     2027        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SW (240)       
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED     2.4                                        


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    60           7:00 AM                                      
 LOWEST     24          12:00 PM                                      
 AVERAGE    42                                                        

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


THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   79        90      2020                      
 MINIMUM TEMPERATURE (F)   53        41      2019                      


SUNRISE AND SUNSET                                                    
OCTOBER 31 2025.......SUNRISE   7:09 AM PDT   SUNSET   5:58 PM PDT     
NOVEMBER  1 2025......SUNRISE   7:10 AM PDT   SUNSET   5:57 PM PDT     


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




$$