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CDUS46 KMTR 100827
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CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST WED JAN 10 2018


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 9 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         63    221 PM  67    2014  56      7       56       
  MINIMUM         48   1138 PM  27    2012  36     12       46       
  AVERAGE         56                        46     10       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.28          1.22 2017   0.29  -0.01     1.22    
  MONTH TO DATE    4.25                      2.69   1.56     8.96    
  SINCE OCT 1     10.56                     16.44  -5.88    27.38    
  SINCE JAN 1      4.25                      2.69   1.56     8.96    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                        14       
  MONTH TO DATE  127                                       170       
  SINCE DEC 1    691                                       757       
  SINCE JUL 1   1140                                      1250       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NW (310)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     8.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     64           300 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        64      2014                    
                                             2012                    
 MINIMUM TEMPERATURE (F)   36        25      2011                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 10 2018.......SUNRISE   729 AM PST   SUNSET   509 PM PST   
JANUARY 11 2018.......SUNRISE   728 AM PST   SUNSET   510 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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