AFOS product CLISFO
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
382 
CDUS46 KMTR 280841
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
141 AM PDT MON SEP 28 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 27 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         71   1222 PM  96    2010  73     -2       73       
                                      1958                          
  MINIMUM         57   1159 PM  47    1955  55      2       63       
                                      1948                          
  AVERAGE         64                        64      0       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.81 1957   0.00   0.00     0.00    
  MONTH TO DATE    T                         0.13  -0.13     0.42    
  SINCE OCT 1     16.59                     20.61  -4.02     8.99    
  SINCE JAN 1      3.63                     13.25  -9.62     7.73    
                                                                     
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        1                         2     -1        0       
  MONTH TO DATE   14                        54    -40        3       
  SINCE SEP 1     14                        54    -40        3       
  SINCE JUL 1     19                       167   -148       23       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        3       
  MONTH TO DATE   92                        42     50      103       
  SINCE SEP 1     92                        42     50      103       
  SINCE JAN 1    286                       139    147      356       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  NW (300)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     9.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           200 AM                                     
 LOWEST     61           100 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        95      2010                    
 MINIMUM TEMPERATURE (F)   55        47      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 28 2015.....SUNRISE   702 AM PDT   SUNSET   657 PM PDT   
SEPTEMBER 29 2015.....SUNRISE   703 AM PDT   SUNSET   656 PM PDT   

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




$$