AFOS product CLISFO
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CDUS46 KMTR 040827
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST SUN JAN 4 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR JANUARY 3 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         54    240 PM  69    2000  56     -2       64       
  MINIMUM         38    707 AM  31    1950  44     -6       44       
  AVERAGE         46                        50     -4       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.33 1974   0.13  -0.13     0.00    
  MONTH TO DATE    0.00                      0.41  -0.41     0.00    
  SINCE JUL 1     13.38                      7.98   5.40     1.49    
  SINCE JAN 1      0.00                      0.41  -0.41     0.00    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0                                 
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                        15      4       11       
  MONTH TO DATE   56                        45     11       39       
  SINCE DEC 1    303                       491   -188      506       
  SINCE JUL 1    491                      1055   -564     1007       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   E (100)      
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (70)       
  AVERAGE WIND SPEED     1.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           500 AM                                     
 LOWEST     59           100 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        66      2014                    
 MINIMUM TEMPERATURE (F)   44        29      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  4 2015.......SUNRISE   725 AM PST   SUNSET   504 PM PST   
JANUARY  5 2015.......SUNRISE   725 AM PST   SUNSET   505 PM PST   

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




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