AFOS product CLISFO
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
923 
CDUS46 KMTR 220839
CLISFO


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1239 AM PST TUE DEC 22 2015


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

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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         59   1159 PM  68    1999  56      3       63       
  MINIMUM         51    436 AM  28    1990  44      7       58       
  AVERAGE         55                        50      5       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.92          1.73 1945   0.15   0.77     0.02    
  MONTH TO DATE    2.98                      2.59   0.39    10.62    
  SINCE OCT 1      4.40                      5.92  -1.52    12.92    
  SINCE JAN 1      8.05                     19.21 -11.16    20.65    
                                                                     
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       10                        15     -5        4       
  MONTH TO DATE  262                       295    -33      126       
  SINCE DEC 1    262                       295    -33      126       
  SINCE JUL 1    619                       859   -240      314       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    327                       164    163      497       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    14.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1200 AM                                     
 LOWEST     80          1100 AM                                     
 AVERAGE    88                                                       

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

                                                                     
THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        68      1999                    
 MINIMUM TEMPERATURE (F)   44        27      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2015......SUNRISE   721 AM PST   SUNSET   455 PM PST   
DECEMBER 23 2015......SUNRISE   722 AM PST   SUNSET   456 PM PST   

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




$$