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

August 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     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
  2     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
  3     999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999  999 
  4     999  999  999  999  999  999   44   38   22  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   -4   -7   -4    0   -2    0   -3   -1   -2   -4   -1   -1    0   -1    1 

  6      18   30   60   81   98  106   71   60   33    6   -5    0    2    1    3   -4   -2   -9   -3    1    0    6    3    4 
  7      36   55   74   74   99   84   31   39   33   30   23    5  -11   -2   -6  -10    2    1    0    6    0   -3   -2    1 
  8      16   31   49   67   84   87   90   80   57   28    3   -2    0   -1   -5   -2   -1   -1    3    2    3    4   -1    1 
  9       8   22   38   62   59   64   53   43   33   17   -3   -8   -1   -1   -1    1    1    1    0   -1   -1   -2    0    0 
 10      12   37   84  103  106   85   70   58   32   14    3    3    6    1  -12   -3    1    3    1    1    3    2    2   -4 

 11      11   32   59   59   67   86   75   67   55   36   16    6    5   -4   -1   -2    0    1    2    0    3   -1    0   -2 
 12      -2   18   52   83   95   98   76   57   36   20   13    2   -2    1    0    1   -3   -8   -9    1   -1    5    7    0 
 13       8   26   48   63   70   76   71   70   53   27    9    9   13    9    3    1   -5   -1    1    3    3    4    1   -1 
 14       1    8   31   54   68   73   70   62   40   21   13    6    3    3    6    5    0    1    3    2   -1    0  999    3 
 15      15   27   55   89  102  120  111   89   58   35   15    7    8    5    6    2    4    3    4   11    6    7    2    0 

 16       0  -12   29   36   75  100  105   91   55   22    8    5   17   11   -1   -3   14   13    8    6    5    3    7    6 
 17       7   18   32   59   89   98  100   84   61   36   17    6    8    8   10   11    7    8    9    9    9   10    2    4 
 18      11   12   50   71   86   91   81   67   49   39   30   21   10   12   12   13   10   14   14   11   13    8    7    5 
 19       6   22   56   81   85   83   73   56   37   19   14   22   14   16    9   14   12   12   11   18   13   11    9   10 
 20      16   31   58   80   89   88   80   48   33   22   21   20   19    5    5   11    9   19   19   14   15   12   11    8 

 21      17   40   68   90   92   82   65   51   34   29   22   13   14   19   16   14   12   13   17   20   14   10    8   10 
 22      15   39   60   85   97   84   78   60   47   30   21   20   21   16   14   18   14   14   17   16   15   12   12    8 
 23      16   35   71  100  112  106   93   78   52   32   16   20   21   21   16   11   12   14   15   15   12    7    4    4 
 24      13   35   77  111  127  109   97   74   49   27    6    0    6   10    5    2    2    1    1   -4   -3    5    6    1 
 25      12   34   98  105  118   79   32  -10   12   21   27   29   22   12    8   12   14   14   22   14   12    9   10    8 

 26      16   37   64   77  100   90   65   48   32   17   11   18   21   21   14   12   14   16   16   16    9   10   10    6 
 27       6   17   69   97  106   96   76   49   23    2   -6  -11   13   38    0   12   11   -1   -5   13   12   25   25   15 
 28      31   43   71   95   89   76   64   67   39   23    2   17   24   15   13   10   18   10    9   12   14    9    6    3 
 29      -7   15   51   90  109  108  111   80   48   26    8   12   18   17   14   13  999   12   10    5    9   18   12    5 
 30      11   35   70   98  120   96   81   63   28   23   14   13   23   16    7   11   13   18   16   11   12    5    7    2 

 31       5   22   49   82  104  112   88   76   53   37   23   15   15   14   12   11   11   15   14   11    9    7    7    5