AFOS product CLISFO
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CDUS46 KMTR 050838
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
138 AM PDT TUE MAY 5 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 4 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    124 PM  84    2013  67     -6       68       
                                      2011                          
  MINIMUM         52    658 AM  40    1952  51      1       57       
                                      1950                          
  AVERAGE         57                        59     -2       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.48 1998   0.03  -0.03     0.00    
  MONTH TO DATE    0.00                      0.10  -0.10     0.00    
  SINCE OCT 1     16.31                     19.96  -3.65     8.57    
  SINCE JAN 1      3.35                     12.60  -9.25     7.31    
                                                                     
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        8                         7      1        2       
  MONTH TO DATE   19                        28     -9        7       
  SINCE MAR 1    350                       590   -240      342       
  SINCE JUL 1   1297                      2396  -1099     1887       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        9       
  SINCE MAR 1     13                         6      7       30       
  SINCE JAN 1     13                         6      7       30       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           500 AM                                     
 LOWEST     62           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        91      1987                    
 MINIMUM TEMPERATURE (F)   51        41      1965                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  5 2015...........SUNRISE   610 AM PDT   SUNSET   803 PM PDT   
MAY  6 2015...........SUNRISE   609 AM PDT   SUNSET   804 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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