AFOS product CLISFO
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CDUS46 KMTR 210841
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
141 AM PDT SUN AUG 21 2016


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR AUGUST 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         69    239 PM  84    1964  73     -4       69       
  MINIMUM         58    356 AM  47    1955  56      2       61       
  AVERAGE         64                        65     -1       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.04 1997   0.00   0.00     0.00    
  MONTH TO DATE    0.00                      0.02  -0.02      T      
  SINCE OCT 1     17.23                     20.46  -3.23    16.59    
  SINCE JAN 1     12.44                     13.10  -0.66     3.63    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                         1      0        0       
  MONTH TO DATE   31                        31      0        0       
  SINCE JUN 1    157                       201    -44       80       
  SINCE JUL 1     96                        96      0        5       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    5                        20    -15       60       
  SINCE JUN 1     28                        65    -37      140       
  SINCE JAN 1     59                        84    -25      153       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  14   RESULTANT WIND DIRECTION   W (290)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    14.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           200 AM                                     
 LOWEST     59           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        85      1974                    
 MINIMUM TEMPERATURE (F)   56        42      1928                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 21 2016........SUNRISE   631 AM PDT   SUNSET   753 PM PDT   
AUGUST 22 2016........SUNRISE   632 AM PDT   SUNSET   752 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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