AFOS product CLISFO
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CDUS46 KMTR 250826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT APR 25 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 24 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         63    147 PM  81    2004  66     -3       67       
  MINIMUM         52    624 AM  39    1960  50      2       55       
  AVERAGE         58                        58      0       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.12          0.34 1983   0.04   0.08      T      
  MONTH TO DATE    0.99                      1.12  -0.13     1.24    
  SINCE OCT 1     16.02                     19.69  -3.67     8.20    
  SINCE JAN 1      3.06                     12.33  -9.27     6.94    
                                                                     
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        7                         8     -1        4       
  MONTH TO DATE  161                       205    -44      131       
  SINCE MAR 1    305                       519   -214      307       
  SINCE JUL 1   1252                      2325  -1073     1852       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        6       
  SINCE MAR 1      7                         1      6        6       
  SINCE JAN 1      7                         1      6        6       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  18   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    18.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           200 AM                                     
 LOWEST     48           100 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        87      2004                    
 MINIMUM TEMPERATURE (F)   50        41      1974                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 25 2015.........SUNRISE   622 AM PDT   SUNSET   754 PM PDT   
APRIL 26 2015.........SUNRISE   620 AM PDT   SUNSET   755 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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