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209 
CDUS46 KMTR 221245
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
445 AM PST MON JAN 22 2018


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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         53    321 PM  73    2014  57     -4       55       
  MINIMUM         31    731 AM  26    2014  37     -6       45       
                                      2013                          
  AVERAGE         42                        47     -5       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.71          1.27 2010   0.17   0.54     0.73    
  MONTH TO DATE    5.50                      5.32   0.18    17.28    
  SINCE OCT 1     11.81                     19.07  -7.26    35.70    
  SINCE JAN 1      5.50                      5.32   0.18    17.28    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       23                                        15       
  MONTH TO DATE  313                                       383       
  SINCE DEC 1    877                                       970       
  SINCE JUL 1   1326                                      1463       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (140)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     3.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     71           200 PM                                     
 AVERAGE    86                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        77      2011                    
 MINIMUM TEMPERATURE (F)   37        28      2014                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 22 2018.......SUNRISE   724 AM PST   SUNSET   522 PM PST   
JANUARY 23 2018.......SUNRISE   723 AM PST   SUNSET   523 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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