AFOS product CLISFO
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039 
CDUS46 KMTR 190837
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1236 AM PST MON JAN 19 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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         61    547 PM  68    1948  56      5       67       
  MINIMUM         53    247 PM  30    1947  44      9       43       
  AVERAGE         57                        50      7       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.82 1969   0.13  -0.13     0.00    
  MONTH TO DATE    0.00                      2.51  -2.51     0.01    
  SINCE JUL 1     13.38                     10.08   3.30     1.50    
  SINCE JAN 1      0.00                      2.51  -2.51     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        8                        15     -7       10       
  MONTH TO DATE  230                       270    -40      182       
  SINCE DEC 1    477                       716   -239      649       
  SINCE JUL 1    665                      1280   -615     1150       
                                                                     
 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  NW (330)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     2.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     90           500 PM                                     
 AVERAGE    95                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        68      1976                    
 MINIMUM TEMPERATURE (F)   44        35      1980                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 19 2015.......SUNRISE   722 AM PST   SUNSET   519 PM PST   
JANUARY 20 2015.......SUNRISE   721 AM PST   SUNSET   520 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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