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CDUS46 KMTR 010837
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1237 AM PST SUN JAN 1 2017


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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         54    420 PM  64    2014  56     -2       55       
  MINIMUM         28R   746 AM  28    2012  36     -8       31       
  AVERAGE         41                        46     -5       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.93 2005   0.26  -0.26     0.00    
  MONTH TO DATE    6.75                      7.03  -0.28     7.01    
  SINCE OCT 1     18.42                     13.75   4.67     8.58    
  SINCE JAN 1     41.98                     36.28   5.70    15.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                                        22       
  MONTH TO DATE  587                                       540       
  SINCE DEC 1    587                                       540       
  SINCE JUL 1   1080                                       985       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    356                                       596       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   E (100)      
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     2.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     63           200 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        68      2007                    
 MINIMUM TEMPERATURE (F)   36        24      2016                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2017.......SUNRISE   729 AM PST   SUNSET   502 PM PST   
JANUARY  2 2017.......SUNRISE   729 AM PST   SUNSET   502 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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