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759 
CDUS46 KMTR 200842
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
141 AM PDT THU AUG 20 2015


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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         77    206 PM  91    1999  84     -7       75       
  MINIMUM         57    204 AM  47    2012  51      6       56       
  AVERAGE         67                        67      0       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          T    2012   0.00   0.00     0.00    
  MONTH TO DATE    T                         0.01  -0.01      T      
  SINCE OCT 1     24.56                     35.86 -11.30    14.07    
  SINCE JAN 1      6.01                     22.11 -16.10    12.57    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    3                                         3       
  SINCE JUN 1     26                                        32       
  SINCE JUL 1      7                                         3       
                                                                     
 COOLING                                                             
  YESTERDAY        2                                         1       
  MONTH TO DATE   99                                        46       
  SINCE JUN 1    323                                       235       
  SINCE JAN 1    335                                       293       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     3.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     54           200 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        89      2007                    
 MINIMUM TEMPERATURE (F)   51        47      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 20 2015........SUNRISE   630 AM PDT   SUNSET   759 PM PDT   
AUGUST 21 2015........SUNRISE   631 AM PDT   SUNSET   757 PM PDT   

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




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