AFOS product CLISFD
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CDUS46 KMTR 180845
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST SUN DEC 18 2016


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 17 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1850 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         51   1243 PM  69    1996  57     -6       57       
  MINIMUM         41    743 AM  39    1924  46     -5       45       
  AVERAGE         46                        51     -5       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.00 1852   0.15  -0.15     0.00    
  MONTH TO DATE    3.52                      2.38   1.14     1.84    
  SINCE OCT 1      8.16                      6.66   1.50     3.27    
  SINCE JAN 1     24.65                     21.47   3.18     6.57    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                        MM     MM       14       
  MONTH TO DATE  203                        MM     MM      188       
  SINCE DEC 1    203                        MM     MM      188       
  SINCE JUL 1    919                        MM     MM      579       
                                                                     
 COOLING                                                             
  YESTERDAY        0                        MM     MM        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     93                         0     93      217       
..................................................................






                                                                     
THE SAN FRANCISCO DWTN CA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        68      1910                    
 MINIMUM TEMPERATURE (F)   46        36      1924                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2016......SUNRISE   720 AM PST   SUNSET   453 PM PST   
DECEMBER 19 2016......SUNRISE   721 AM PST   SUNSET   454 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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