Weather Service Report


898 
CDUS46 KMTR 220825
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT MON SEP 22 2014


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1927 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         72    324 PM  95    2003  74     -2       68       
  MINIMUM         65    437 AM  45    1955  56      9       58       
  AVERAGE         69                        65      4       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.23 2013   0.01  -0.01     0.23    
  MONTH TO DATE    0.01                      0.09  -0.08     0.23    
  SINCE JUL 1      0.01                      0.13  -0.12     0.23    
  SINCE JAN 1      7.32                     13.21  -5.89     2.12    
                                                                     
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                         2     -2        2       
  MONTH TO DATE    3                        42    -39       10       
  SINCE SEP 1      3                        42    -39       10       
  SINCE JUL 1     23                       155   -132      125       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         1      3        0       
  MONTH TO DATE   74                        36     38       34       
  SINCE SEP 1     74                        36     38       34       
  SINCE JAN 1    327                       133    194      134       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     9.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84          1200 AM                                     
 LOWEST     68           200 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        91      1946                    
 MINIMUM TEMPERATURE (F)   56        48      1981                    
                                             1910                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 22 2014.....SUNRISE   657 AM PDT   SUNSET   706 PM PDT   
SEPTEMBER 23 2014.....SUNRISE   658 AM PDT   SUNSET   705 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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Western Regional Climate Center, wrcc@dri.edu