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609 
CDUS46 KMTR 140836
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1236 AM PST SUN JAN 14 2018


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 13 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         59    338 PM  70    2015  56      3       60       
                                      2009                          
  MINIMUM         37    634 AM  21    2007  36      1       34       
  AVERAGE         48                        46      2       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.82 2016   0.25  -0.25     0.00    
  MONTH TO DATE    4.26                      3.75   0.51    11.67    
  SINCE OCT 1     10.57                     17.50  -6.93    30.09    
  SINCE JAN 1      4.26                      3.75   0.51    11.67    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                                        18       
  MONTH TO DATE  186                                       233       
  SINCE DEC 1    750                                       820       
  SINCE JUL 1   1199                                      1313       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     1.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     72           300 PM                                     
 AVERAGE    86                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        69      2014                    
 MINIMUM TEMPERATURE (F)   36        22      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 14 2018.......SUNRISE   728 AM PST   SUNSET   514 PM PST   
JANUARY 15 2018.......SUNRISE   727 AM PST   SUNSET   515 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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