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963 
CDUS46 KMTR 110835
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1230 AM PST FRI DEC 11 2015


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         61   1254 PM  68    2012  57      4       60       
  MINIMUM         46   1159 PM  22    2013  37      9       55       
  AVERAGE         54                        47      7       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.56          1.32 2014   0.20   0.36     1.32    
  MONTH TO DATE    2.78                      1.68   1.10     4.27    
  SINCE OCT 1      4.35                      8.40  -4.05     8.33    
  SINCE JAN 1     10.81                     30.93 -20.12    21.74    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                                         7       
  MONTH TO DATE  127                                        76       
  SINCE DEC 1    127                                        76       
  SINCE JUL 1    572                                       434       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    596                                       499       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     7.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           800 AM                                     
 LOWEST     60           100 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        67      2010                    
                                             1999                    
 MINIMUM TEMPERATURE (F)   37        24      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 11 2015......SUNRISE   718 AM PST   SUNSET   450 PM PST   
DECEMBER 12 2015......SUNRISE   719 AM PST   SUNSET   451 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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