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759 
CDUS46 KMTR 130904
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
104 AM PST SAT JAN 13 2018


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 12 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         67    250 PM  82    2009  56     11       52       
  MINIMUM         42   1148 PM  25    2012  36      6       40       
                                      2007                          
  AVERAGE         55                        46      9       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.27 2003   0.27  -0.27     0.37    
  MONTH TO DATE    4.26                      3.50   0.76    11.67    
  SINCE OCT 1     10.57                     17.25  -6.68    30.09    
  SINCE JAN 1      4.26                      3.50   0.76    11.67    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                        19       
  MONTH TO DATE  169                                       215       
  SINCE DEC 1    733                                       802       
  SINCE JUL 1   1182                                      1295       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  NW (330)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     4.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     52           300 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        70      2015                    
                                             2009                    
 MINIMUM TEMPERATURE (F)   36        21      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 13 2018.......SUNRISE   728 AM PST   SUNSET   513 PM PST   
JANUARY 14 2018.......SUNRISE   728 AM PST   SUNSET   514 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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