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CDUS46 KMTR 170827
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST SAT DEC 17 2016


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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         53    310 PM  70    2011  56     -3       58       
  MINIMUM         39   1145 PM  27    2011  36      3       29       
                                      2005                          
  AVERAGE         46                        46      0       44      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.28 2002   0.24  -0.24     0.00    
  MONTH TO DATE    5.90                      3.02   2.88     3.92    
  SINCE OCT 1     17.57                      9.74   7.83     5.49    
  SINCE JAN 1     41.13                     32.27   8.86    11.95    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                                        21       
  MONTH TO DATE  263                                       237       
  SINCE DEC 1    263                                       237       
  SINCE JUL 1    756                                       682       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    356                                       596       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  NW (310)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     38           200 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        67      1998                    
 MINIMUM TEMPERATURE (F)   36        24      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2016......SUNRISE   723 AM PST   SUNSET   452 PM PST   
DECEMBER 18 2016......SUNRISE   724 AM PST   SUNSET   453 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$