AFOS product CLISFO
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CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
135 AM PDT TUE APR 12 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 11 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         64    452 PM  84    1988  64      0       69       
  MINIMUM         54    457 AM  38    1967  49      5       51       
                                      1953                          
  AVERAGE         59                        56      3       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.92 2010   0.04  -0.04     0.00    
  MONTH TO DATE    0.60                      0.60   0.00     0.87    
  SINCE OCT 1     16.96                     19.17  -2.21    15.90    
  SINCE JAN 1     12.17                     11.81   0.36     2.94    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                         9     -3        5       
  MONTH TO DATE   46                        99    -53       88       
  SINCE MAR 1    263                       413   -150      232       
  SINCE JUL 1   1661                      2219   -558     1179       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    8                         0      8        0       
  SINCE MAR 1      8                         1      7        6       
  SINCE JAN 1      8                         1      7        6       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     6.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           800 AM                                     
 LOWEST     60           400 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        88      1947                    
 MINIMUM TEMPERATURE (F)   49        39      1983                    
                                             1956                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 12 2016.........SUNRISE   638 AM PDT   SUNSET   743 PM PDT   
APRIL 13 2016.........SUNRISE   637 AM PDT   SUNSET   744 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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