Space Environment Research Center, Kyushu University 
EU, EL (Realtime Ver.) 
Unit: nT 

January 2021 

 
Universal Time 

DAY       0    1    2    3    4    5    6    7    8    9   10   11   12   13   14   15   16   17   18   19   20   21   22   23 

  1      10   25   58   86  102  101   88   62   31   12    3    3    3    3    2    1   -1    1    2    3    3   -1    1    8 
  2       7    7   28   65   86   97   81   59   28    5   -4    2    5    2    1    0    2    2    3    3    3    3    5    9 
  3      19   30   58   84   89   82   67   49   22    3   -1    4    3    2    1    1    4    3    3    4    4    4    4    8 
  4      19   35  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
  5     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 

  6     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
  7     999  999   58   85   98  108   89   61  999   -5  -10   -1    0    1   -2   -1    1    1    3    1    1   -1    7    6 
  8      12   21   40   66   90  117  115   89   54   24    3   -2    5    6    1   -1    0    1    2    3    3    5    3    2 
  9       6   15   35   55   66   73   71   61   32    7   -9   -3    3    3   -1   -1   -2    0    0    1    1    2    2    0 
 10       7   13   21   39   63   85   85   63   43   25   14    6   -1    0    0    1   -1   -2   -5    0    3    7    7    6 

 11       9    9   26   45   64   71   67   50   29   10   19   12   18    9   24  -22  -25   -7   -4    5    9   24   16   11 
 12      23   28   37   38   58   49   43   44   35   28    5   -2    2   -1   -3    0    0    1    0    1    2    4    5    2 
 13      13   28   47   68   88   74   60   33   21   11   -1   -2   -1   -3   -3   -1    4    2   -1   -1    3    4    5    6 
 14      15   29   45   58   68   67   64   50  999   13    7    2    0    0   -1   -1   -2   -1   -1    0   -1   -1    4    4 
 15       8   17   36   54   60   57   50   39   24    5   -2    2    1   -1   -2   -3    6   -2  -10   -2    0    1    2    2 

 16      11   25   40   68   79   86   78   51   28   14    6    4    2   -2   -1    0   -2   -3    0    0    0    0    0    3 
 17      11   20   46   78   96   82   62   36   13   -1    0    1    0    0   -1   -1   -2   -2   -1    0    0    1    3   -1 
 18      10   26   51   78   98  102   88   61   34   13    6    3    3   -1    3    1    2    1    0    0   -3    4   -4    3 
 19      12   30   50   73   87   85   85   68   39   16    5    5   -4   -8    4    2   -3   -3   -4   -2   -2    0    4    4 
 20       2   15   39   48   73   85   63   46   16    1    5    0   -5    0   -2    0   -3   -6    3   -2    3    1    2    0 

 21     999  999  999  999   60   73   73   60   44   32   16    6    2    1    1   -2   -4    2    1    0    0    0    0    3 
 22       5    6   18   36   61   78   73   74   54   30   15    4    3    0   -4    0   -5   -4   -1   -4    6    6    0    1 
 23      13   22   31   48   68   74   71   41   28   13    1   -2    2    1   -1    1    2   -1   -7    4    2    5   -6    3 
 24       3    3   13   47   70   75   69   69   42   21   13    4   -1   -1   -7    4    2    5   -2    5   -1   -3   -3   -2 
 25       9   18   30   66   62   68   84   62    5  -13  -36  -21    3    4    0   -8   -2  -11   -1   -5    3   -5   27   -5 

 26       5   15   41   78   66   51   51   45   38   24   10    0   -5   -1   -4   -1    0   -3    5    0   -4   -3    2   -1 
 27      -2   11   23   25   32   23   13   -1   12   14   16   -5   -1   -1    1    1   -5    1   -5   -1    2    3    1    3 
 28       8   18   30   48   47   28   12   -5  -11   -7    2    0   -5   -2   -2   -4    0   -1   -1    0    1    1    1    2 
 29       7   25   49   69   75   63   34    7  -19  -17   -7   -1   -2   -2   -2    0   -4   -4   -1   -2   -1    3    2    2 
 30       9   25   45   56   58   51   40   27   12    7    4    4    3    1   -2    0   -2   -1   -3   -2   -1    1    0   -1 

 31       5   26   62   90  103  106   89   60   27    8    2    1    0   -2   -1   -2   -5   -3   -3   -2   -2   -1    0    1