Weather Service Report


425 
CDUS46 KMTR 010854
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1254 AM PST SUN MAR 1 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR FEBRUARY 28 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         62    316 PM  73    1959  61      1       61       
  MINIMUM         50    604 AM  33    1955  47      3       54       
  AVERAGE         56                        54      2       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.68 2014   0.14  -0.14     0.68    
  MONTH TO DATE    2.01                      4.06  -2.05     3.76    
  SINCE OCT 1     14.97                     15.61  -0.64     5.03    
  SINCE JAN 1      2.01                      8.25  -6.24     3.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                        11     -2        7       
  MONTH TO DATE  174                       338   -164      278       
  SINCE DEC 1    759                      1242   -483     1044       
  SINCE JUL 1    947                      1806   -859     1545       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1000 PM                                     
 LOWEST     57           400 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        74      1959                    
 MINIMUM TEMPERATURE (F)   47        35      1955                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  1 2015.........SUNRISE   641 AM PST   SUNSET   603 PM PST   
MARCH  2 2015.........SUNRISE   640 AM PST   SUNSET   604 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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Western Regional Climate Center, wrcc@dri.edu