AFOS product CLISFD
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CDUS46 KMTR 170827
CLISFD


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST SAT DEC 17 2016


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

...THE SAN FRANCISCO DWTN CA CLIMATE SUMMARY FOR DECEMBER 16 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         53    143 PM  71    1998  57     -4       55       
  MINIMUM         45   1143 PM  37    1963  46     -1       44       
  AVERAGE         49                        51     -2       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.76 2002   0.15  -0.15     0.00    
  MONTH TO DATE    3.52                      2.23   1.29     1.84    
  SINCE OCT 1      8.16                      6.51   1.65     3.27    
  SINCE JAN 1     24.65                     21.32   3.33     6.57    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                        MM     MM       15       
  MONTH TO DATE  184                        MM     MM      174       
  SINCE DEC 1    184                        MM     MM      174       
  SINCE JUL 1    900                        MM     MM      565       
                                                                     
 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        69      1996                    
 MINIMUM TEMPERATURE (F)   46        39      1924                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2016......SUNRISE   719 AM PST   SUNSET   453 PM PST   
DECEMBER 18 2016......SUNRISE   720 AM PST   SUNSET   453 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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