AFOS product CLISFO
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
353 
CDUS46 KMTR 211245
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
545 AM PDT FRI OCT 21 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR OCTOBER 20 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         78    151 PM  89    1991  70      8       79       
  MINIMUM         54    507 AM  37    1949  53      1       57       
  AVERAGE         66                        61      5       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.59 1985   0.04  -0.04     0.00    
  MONTH TO DATE    1.30                      0.46   0.84      T      
  SINCE OCT 1      1.30                      0.46   0.84      T      
  SINCE JAN 1     13.74                     13.75  -0.01     3.65    
                                                                     
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        0                         4     -4        0       
  MONTH TO DATE   38                        65    -27        5       
  SINCE SEP 1     98                       118    -20       27       
  SINCE JUL 1    201                       231    -30       32       
                                                                     
 COOLING                                                             
  YESTERDAY        1                         1      0        3       
  MONTH TO DATE   13                        20     -7       40       
  SINCE SEP 1     73                        64      9      132       
  SINCE JAN 1    138                       161    -23      326       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     5.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           900 AM                                     
 LOWEST     39           200 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        82      1965                    
 MINIMUM TEMPERATURE (F)   53        39      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 21 2016.......SUNRISE   724 AM PDT   SUNSET   623 PM PDT   
OCTOBER 22 2016.......SUNRISE   725 AM PDT   SUNSET   622 PM PDT   

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




$$