AFOS product CLISFO
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CDUS46 KMTR 090833
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1233 AM PST FRI JAN 9 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 8 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60    601 PM  70    1962  56      4       59       
  MINIMUM         49    637 AM  30    1955  44      5       52       
                                      1937                          
  AVERAGE         55                        50      5       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.33 1979   0.14  -0.14     0.01    
  MONTH TO DATE    0.00                      1.10  -1.10     0.01    
  SINCE JUL 1     13.38                      8.67   4.71     1.50    
  SINCE JAN 1      0.00                      1.10  -1.10     0.01    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        15     -5        9       
  MONTH TO DATE  122                       120      2       92       
  SINCE DEC 1    369                       566   -197      559       
  SINCE JUL 1    557                      1130   -573     1060       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED     8   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     0.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           900 AM                                     
 LOWEST     67           500 PM                                     
 AVERAGE    84                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        71      1962                    
 MINIMUM TEMPERATURE (F)   44        33      1957                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  9 2015.......SUNRISE   725 AM PST   SUNSET   509 PM PST   
JANUARY 10 2015.......SUNRISE   725 AM PST   SUNSET   510 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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