AFOS product CLISFO
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CDUS46 KMTR 220834
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
133 AM PDT TUE APR 22 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 21 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    247 PM  86    2009  65      4       78       
  MINIMUM         52    343 AM  39    1968  50      2       49       
  AVERAGE         61                        57      4       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.83 1961   0.04  -0.04     0.00    
  MONTH TO DATE    1.20                      1.01   0.19     0.47    
  SINCE JUL 1      8.39                     19.79 -11.40    12.83    
  SINCE JAN 1      6.90                     12.22  -5.32     1.83    
                                                                     
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        4                         8     -4        1       
  MONTH TO DATE  114                       181    -67      147       
  SINCE MAR 1    290                       495   -205      462       
  SINCE JUL 1   1835                      2301   -466     2346       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    6                         0      6        1       
  SINCE MAR 1      6                         1      5        1       
  SINCE JAN 1      6                         1      5        1       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    12.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77           100 AM                                     
 LOWEST     48           300 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        83      2013                    
 MINIMUM TEMPERATURE (F)   50        42      1963                    
                                             1961                    
                                             1951                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 22 2014.........SUNRISE   625 AM PDT   SUNSET   752 PM PDT   
APRIL 23 2014.........SUNRISE   624 AM PDT   SUNSET   752 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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