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924 
CDUS46 KMTR 170830
CLISTS


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
130 AM PDT THU SEP 17 2015


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

...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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         65   1123 AM  91    2004  84    -19       85       
  MINIMUM         46    345 AM  41    2006  49     -3       49       
  AVERAGE         56                        66    -10       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.41R         0.01 2013   0.01   0.40     0.00    
  MONTH TO DATE    0.42                      0.11   0.31      T      
  SINCE OCT 1     25.01                     36.04 -11.03    14.07    
  SINCE JAN 1      6.46                     22.29 -15.83    12.57    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                         0       
  MONTH TO DATE   14                                         5       
  SINCE SEP 1     14                                         5       
  SINCE JUL 1     21                                        10       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         2       
  MONTH TO DATE   75                                        59       
  SINCE SEP 1     75                                        59       
  SINCE JAN 1    477                                       408       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     3.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 PM                                     
 LOWEST     77          1200 AM                                     
 AVERAGE    89                                                       

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

                                                                     
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   83        98      2000                    
 MINIMUM TEMPERATURE (F)   49        44      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 17 2015.....SUNRISE   654 AM PDT   SUNSET   716 PM PDT   
SEPTEMBER 18 2015.....SUNRISE   655 AM PDT   SUNSET   715 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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