Weather Service Report


229 
CDUS46 KMTR 230825
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1225 AM PST THU NOV 23 2017


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR NOVEMBER 22 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         68    301 PM  74    1959  61      7       60       
  MINIMUM         54    430 AM  36    1952  48      6       47       
                                      1947                          
  AVERAGE         61                        54      7       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.54 1982   0.08  -0.08     0.02    
  MONTH TO DATE    2.38                      1.61   0.77     0.83    
  SINCE OCT 1      2.59                      2.56   0.03     3.61    
  SINCE JAN 1     24.78                     15.85   8.93    16.05    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                        11     -7       11       
  MONTH TO DATE  150                       184    -34      102       
  SINCE SEP 1    226                       358   -132      220       
  SINCE JUL 1    286                       471   -185      323       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        1       
  SINCE SEP 1    214                        66    148       77       
  SINCE JAN 1    346                       163    183      142       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   E (100)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     3.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     67           400 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        77      1959                    
 MINIMUM TEMPERATURE (F)   47        33      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 23 2017......SUNRISE   658 AM PST   SUNSET   454 PM PST   
NOVEMBER 24 2017......SUNRISE   659 AM PST   SUNSET   453 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