AFOS product CLISFO
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CDUS46 KMTR 010835
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
135 AM PDT THU MAY 1 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 30 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         90R   430 PM  90    1996  66     24       70       
                                      1922                          
  MINIMUM         60    447 AM  41    1946  50     10       50       
  AVERAGE         75                        58     17       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.71 1983   0.03  -0.03     0.00    
  MONTH TO DATE    1.61                      1.29   0.32     0.47    
  SINCE JUL 1      8.80                     20.07 -11.27    12.83    
  SINCE JAN 1      7.31                     12.50  -5.19     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        0                         7     -7        5       
  MONTH TO DATE  143                       247   -104      192       
  SINCE MAR 1    319                       562   -243      507       
  SINCE JUL 1   1864                      2368   -504     2391       
                                                                     
 COOLING                                                             
  YESTERDAY       10                         0     10        0       
  MONTH TO DATE   21                         5     16        4       
  SINCE MAR 1     21                         6     15        4       
  SINCE JAN 1     21                         6     15        4       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     4.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           100 AM                                     
 LOWEST     19           500 PM                                     
 AVERAGE    46                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        89      1947                    
 MINIMUM TEMPERATURE (F)   50        44      2008                    
                                             1988                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  1 2014...........SUNRISE   614 AM PDT   SUNSET   800 PM PDT   
MAY  2 2014...........SUNRISE   613 AM PDT   SUNSET   801 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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