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February 2026
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Date
 
Space Environment Research Center, Kyushu University 
EDst1h (Realtime Ver.) 
Unit: nT 

February 2026 
 
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     -12  -13  -11  -10  -10  -11  -15  -18  -16  -13   -9   -5    0   -5  -13  -18  -19  -16  -14  -14  -13  -12  -10  -12 
  2      -8  -17  -28  -28  -21  -26  -28  -22  -16   -7   -1    1    5    1   -3   -7  -11   -8   -5   -3   -2   -1   -1    0 
  3       6   -7  -11  -10   -9  -12  -11  -10  -10  -12   -8   -4    1    2    4    2    2   -1   -4   -4   -2   -2    0   -2 
  4       6    2    2    2    1   -1   -4   -1    3    2    4    6    9    3    0   -5    6   -3  -15   -9   -4    4    6    7 
  5      20  -16  -17  -33  -44  -70  -88  -67  -50  -49  -40  -45  -41  -38  -34  -34  -30  -27  -24  -17  -16  -18  -17  -17 

  6     -12  -14  -14  -14  -14  -19  -23  -18  -16  -14  -12  -12  -18  -29  -27  -22  -11  -16    3   -8  -16   -7  -10  -13 
  7     -18  -22  -29  -36  -33  -33  -32  -31  -13  -11  -14  -26  -21  -17  -13   -6   -9  -11   -4   -8  -10   -4   -4  -14 
  8     -16  -16  -12  -12  -11  -13  -14   -9   -8   -5   -4   -5   -6   -3    0   -1   -2   -1    4    3    0   -1   -7  -10 
  9      -9  -12   -9   -5   -5   -7  -10   -6   -4    0    0   -1   11   10    7    1    2    8    6    5    4    5    4    5 
 10      12    6    9    8    7    4    3    4    9   13    9    1   -4    1    8    7    8    8   12   11    9    5   -5   -1 

 11      -5  -19  -32  -28  -29  -25  -23  -17  -15  -15   -8   -2  -19  -24  -12   -6   -8  -12  -10   -5  -10  -11  -10   -9 
 12     -10  -17  -20  -16  -15  -24  -27  -26  -17  -13  -14   -9   -6   -3   -3   -9  -18  -25  -11   -6   -2    0   -1   -3 
 13      -5  -24  -39  -33  -21  -20  -22  -22  -22  -15  -14  -13   -7   -7   -9   -7  -11   -3   -3   -5    1   -5  -16  -14 
 14     -20  -28  -35  -28  -19  -11  -15  -13   -9   -5    0    3    9    7    9    9   11   14   13   13   11   -9   -9  -19 
 15     -36  -54  -84  -58  -52  -39  -39  -39  -30  -23  -21  -16  -14  -13  -11  -12  -14  -13   -8  -15  -15   -7   -3   -3 

 16     -17  -25  -49  -15  -16  -30  -49  -28  -25  -21  -22  -19   -5   -6   -7   -7    1   -4  -17    7  -11  -14  -11  -11 
 17      -8  -11  -15  -14  -13   -6  -11  -14  -15  -18  -14  -14  -20   -3   -3    0    3    2   -1   -1    1    0   -5   -4 
 18       5    3    1   -5   -5   -9    6    5    2    3    2    2    6    5    3    6    4    0    1    9    5    7   10    9 
 19       7    0   -3    7    0   -5  -13   -6   -6   -3   -2    1    3    3    3    0    2    4    6    7    7   10   12   10 
 20      13    9    7    8    7    5    6    8    5    0   -2   -2    8    9   -1   -2    1    5   20   10    3    7    5   12 

 21      17    4  -40  -21  -15  -23  -15    0    6   11   11   14   16   13   13   10    8    8   11   11    9   15   16    1 
 22      -5    3   -2  -22  -30  -28  -25  -46  -38  -28  -25  -42  -52  -36  -49  -56  -45  -37  -37  -24  -20  -30  -26  -27 
 23     -29  -31  -25  -34  -39  -40  -29  -28  -22  -19  -22  -30  -11  -15  -23  -13  -18  -17  -13   -5   -7    5    6   -5 
 24      -4   -6   -9   -3  -13  -26  -13   -8   -7  -14  -14  -12   -4   -9    0   -4   -4   -6  -10  -12   -7    2    0   -6 
 25     -12  -17  -15  -12  -14  -15  -13  -13   -5   -5   -6  -11   -7  -13  -13   -7  -13  -10   -3   -1   -3   -1    8    0 

 26     -11  -17  -20  -24  -33  -28  -19  -23  -22  -19  -21  -26  -31  -30  -33  -28  -17  -12  -13  -16   -8   -5   -4   -5 
 27       0  -12  -19  -13  -18  -21  -24  -16   -9   -9   -2   -1   -1    0   -6  -19  -31   -7   -5   -7   -6   -7   -2   -1 
 28       0   -2   -2   -3   -9  -14  -16  -14  -11   -9   -8   -4    4   -4   -7  -10   -7   -8   -5   -3   -5   -6   -2    2 



 
Space Environment Research Center, Kyushu University 
EDst6h (Realtime Ver.) 
Unit: nT 

February 2026 
 
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     -12  -11  -11  -12  -13  -13  -14  -14  -13  -10   -8   -8   -8  -10  -12  -14  -16  -16  -15  -13  -13  -12  -11  -11 
  2     -17  -19  -21  -24  -25  -23  -20  -17  -12   -7   -3   -1   -1   -3   -4   -6   -6   -6   -5   -3   -2   -1    0    1 
  3      -4   -6   -8  -10  -11  -10  -11  -10   -9   -7   -5   -3    0    1    2    1    0   -1   -2   -2   -2   -1    0    0 
  4       2    2    2    0    0    0    0    1    2    4    4    4    3    3    1   -3   -5   -5   -4   -4   -2    3    6    9 
  5      -6  -15  -28  -45  -53  -59  -61  -61  -57  -49  -44  -41  -39  -37  -34  -31  -28  -25  -22  -20  -18  -16  -16  -16 

  6     -15  -14  -15  -16  -17  -17  -17  -17  -16  -15  -17  -19  -20  -20  -21  -17  -14  -12   -9   -9   -9  -12  -13  -12 
  7     -22  -26  -29  -31  -32  -30  -26  -22  -21  -19  -17  -17  -16  -16  -13  -10   -9   -8   -8   -7   -7   -9   -9   -9 
  8     -12  -13  -13  -13  -12  -11  -10   -9   -7   -6   -5   -4   -3   -3   -2   -1    0    1    1    0   -2   -4   -5   -7 
  9      -9   -9   -8   -8   -7   -6   -5   -4   -3    0    3    5    5    5    6    6    5    4    5    5    5    6    6    6 
 10       7    8    7    6    6    6    7    7    6    5    5    5    4    4    5    7    9    9    9    7    5    3    1   -1 

 11     -15  -19  -23  -26  -26  -23  -21  -17  -13  -13  -14  -13  -12  -12  -13  -12   -9   -8   -9  -10   -9   -9  -10  -10 
 12     -14  -15  -17  -20  -21  -21  -20  -20  -18  -14  -10   -8   -7   -8  -10  -11  -12  -12  -10   -7   -4   -3   -2   -2 
 13     -18  -21  -24  -27  -26  -23  -20  -19  -18  -15  -13  -11  -10   -9   -7   -7   -6   -5   -4   -5   -7   -9  -10  -13 
 14     -24  -24  -24  -23  -20  -16  -12   -9   -7   -3    1    4    6    8   10   10   11   12    9    5    0   -7  -12  -18 
 15     -44  -51  -54  -54  -52  -43  -37  -32  -28  -24  -19  -16  -14  -13  -13  -12  -12  -13  -12  -10   -9  -10   -9   -7 

 16     -19  -21  -26  -31  -31  -27  -28  -29  -27  -20  -16  -13  -11   -7   -5   -7   -5   -5   -6   -8   -9   -8  -11  -11 
 17     -12  -12  -11  -12  -12  -12  -13  -13  -14  -16  -14  -12   -9   -6   -3    0    0    1    1   -1   -2   -1   -1   -1 
 18      -1   -1   -2   -2   -1   -1    0    1    3    3    3    3    4    4    4    3    4    4    4    5    7    8    8    8 
 19       5    3    1   -2   -3   -4   -6   -6   -5   -2   -1    1    1    2    3    3    4    4    6    8    9   10   10   11 
 20      10    9    8    7    7    6    5    4    3    3    3    2    2    2    3    5    6    6    8    8   10    9    9   10 

 21      -4   -7  -13  -18  -19  -11   -6   -2    4   10   12   13   13   13   12   11   10   10   10   12   10    8    7    7 
 22      -2   -9  -14  -17  -25  -31  -32  -31  -34  -38  -37  -39  -43  -47  -46  -43  -41  -36  -32  -29  -27  -26  -27  -28 
 23     -29  -31  -33  -33  -33  -32  -30  -27  -25  -22  -20  -20  -19  -18  -16  -16  -15  -12   -9   -5   -3   -2   -1    1 
 24      -3   -7  -10  -12  -12  -12  -14  -14  -11  -10  -10   -9   -7   -5   -4   -5   -6   -7   -6   -5   -5   -6   -5   -4 
 25     -10  -13  -14  -14  -14  -12  -11  -10   -9   -8   -8   -9   -9  -11  -10  -10   -8   -6   -5   -1    0   -1   -1   -1 

 26     -11  -18  -22  -23  -24  -25  -24  -22  -22  -24  -25  -27  -28  -28  -25  -22  -20  -16  -12  -10   -8   -6   -4   -3 
 27      -9  -11  -14  -18  -18  -17  -16  -13  -10   -6   -3   -3   -5  -10  -11  -11  -13  -13  -10   -6   -5   -4   -3   -2 
 28      -2   -3   -5   -8  -10  -11  -12  -12  -10   -7   -5   -5   -5   -5   -5   -7   -7   -6   -6   -5   -3   -3   -3   -2 




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