AFOS product CLISFO
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CDUS46 KMTR 230826
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT SAT MAY 23 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 22 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         64   1037 AM  83    1954  68     -4       70       
  MINIMUM         56    513 AM  44    1952  52      4       54       
                                      1909                          
  AVERAGE         60                        60      0       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.20 1958   0.02  -0.01     0.00    
  MONTH TO DATE    0.02                      0.38  -0.36      T      
  SINCE OCT 1     16.33                     20.24  -3.91     8.57    
  SINCE JAN 1      3.37                     12.88  -9.51     7.31    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         5      0        3       
  MONTH TO DATE  134                       136     -2       54       
  SINCE MAR 1    465                       698   -233      389       
  SINCE JUL 1   1412                      2504  -1092     1934       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0       41       
  SINCE MAR 1     13                         6      7       62       
  SINCE JAN 1     13                         6      7       62       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.5                                         

                                                                     
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    86           400 AM                                     
 LOWEST     64           500 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        88      2000                    
 MINIMUM TEMPERATURE (F)   52        46      1954                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 23 2015...........SUNRISE   554 AM PDT   SUNSET   819 PM PDT   
MAY 24 2015...........SUNRISE   554 AM PDT   SUNSET   819 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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