AFOS product CLIRAL
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CDUS46 KSGX 191232
CLIRAL


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA                               
432 AM PST TUE DEC 19 2017


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

...THE RIVERSIDE MUNI AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 18 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         71    303 PM  89    1917  66      5       61       
  MINIMUM         44    709 AM  29    1924  42      2       36       
                                      1908                          
  AVERAGE         58                        54      4       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.42 1921   0.05  -0.05     0.00    
  MONTH TO DATE    T                         0.68  -0.68     0.76    
  SINCE OCT 1      0.03                      1.96  -1.93     2.68    
  SINCE JAN 1      8.49                     11.55  -3.06     6.96    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                        11     -4       16       
  MONTH TO DATE   56                       184   -128      147       
  SINCE DEC 1     56                       184   -128      147       
  SINCE JUL 1    102                       384   -282      251       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    2                         0      2        0       
  SINCE DEC 1      2                         0      2        0       
  SINCE JAN 1   2308                      1754    554     2298       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  NE (60)       
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     3.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    61          1100 PM                                     
 LOWEST     14          1100 AM                                     
 AVERAGE    38                                                       

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

                                                                     
THE RIVERSIDE MUNI AIRPORT CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        90      1917                    
 MINIMUM TEMPERATURE (F)   42        26      1909                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 19 2017......SUNRISE   650 AM PST   SUNSET   444 PM PST   
DECEMBER 20 2017......SUNRISE   651 AM PST   SUNSET   444 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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