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433 
CDUS46 KMTR 110837
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1237 AM PST SUN DEC 11 2016


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60    133 PM  68    2012  57      3       61       
  MINIMUM         41   1156 PM  22    2013  37      4       46       
  AVERAGE         51                        47      4       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.64          1.32 2014   0.20   0.44     0.56    
  MONTH TO DATE    2.34                      1.68   0.66     2.78    
  SINCE OCT 1     14.01                      8.40   5.61     4.35    
  SINCE JAN 1     37.57                     30.93   6.64    10.81    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                                        11       
  MONTH TO DATE  166                                       127       
  SINCE DEC 1    166                                       127       
  SINCE JUL 1    659                                       572       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    356                                       596       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     80           300 PM                                     
 AVERAGE    90                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        67      2010                    
                                             1999                    
 MINIMUM TEMPERATURE (F)   37        24      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 11 2016......SUNRISE   719 AM PST   SUNSET   451 PM PST   
DECEMBER 12 2016......SUNRISE   720 AM PST   SUNSET   451 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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