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469 
CDUS46 KMTR 290840
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
140 AM PDT TUE SEP 29 2015


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         MM        MM 104    2010  81     MM       76        
  MINIMUM         MM        MM  42    2001  48     MM       51        
  AVERAGE         MM                        64     MM       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.02 1999   0.02  -0.02     0.00    
  MONTH TO DATE    0.42                      0.25   0.17     0.84    
  SINCE OCT 1     25.01                     36.18 -11.17    14.91    
  SINCE JAN 1      6.46                     22.43 -15.97    13.41    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       MM                                         1       
  MONTH TO DATE   16                                         8       
  SINCE SEP 1     16                                         8       
  SINCE JUL 1     23                                        13       
                                                                     
 COOLING                                                             
  YESTERDAY       MM                                         0       
  MONTH TO DATE  130                                        83       
  SINCE SEP 1    130                                        83       
  SINCE JAN 1    532                                       432       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     4.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     29           300 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        98      2010                    
 MINIMUM TEMPERATURE (F)   48        40      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 29 2015.....SUNRISE   705 AM PDT   SUNSET   657 PM PDT   
SEPTEMBER 30 2015.....SUNRISE   706 AM PDT   SUNSET   656 PM PDT   

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




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