AFOS product CLISFO
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CDUS46 KMTR 010825
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT MON JUN 1 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR MAY 31 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         67    136 PM  91    2001  69     -2       68       
  MINIMUM         53    606 AM  46    1962  53      0       52       
  AVERAGE         60                        61     -1       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.11 1947   0.01  -0.01     0.00    
  MONTH TO DATE    0.02                      0.47  -0.45      T      
  SINCE OCT 1     16.33                     20.33  -4.00     8.57    
  SINCE JAN 1      3.37                     12.97  -9.60     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        5       
  MONTH TO DATE  193                       181     12       81       
  SINCE MAR 1    524                       742   -218      416       
  SINCE JUL 1   1471                      2548  -1077     1961       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                        13    -13       42       
  SINCE MAR 1     13                        19     -6       63       
  SINCE JAN 1     13                        19     -6       63       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    12.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1200 AM                                     
 LOWEST     56          1200 PM                                     
 AVERAGE    70                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        91      1989                    
 MINIMUM TEMPERATURE (F)   53        43      1954                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE  1 2015..........SUNRISE   550 AM PDT   SUNSET   825 PM PDT   
JUNE  2 2015..........SUNRISE   549 AM PDT   SUNSET   826 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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