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April 2025
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Date
 
Space Environment Research Center, Kyushu University 
EDst1h (Realtime Ver.) 
Unit: nT 

April 2025 
 
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       8    3    7    2   -3  -10   -4    0    1    1    7   10   15   12   11    9    6    4    7   13   16   14   14   16 
  2      19    5  -28  -35  -29  -34  -18   -5   -5  -27  -24  -35  -45  -49  -34  -25  -26  -26  -19  -15  -16  -18  -15  -26 
  3     -32  -36  -47  -38  -34  -25  -12  -14  -11  -10    6    5    1   -9  -37  -54  -42  -28  -21  -20  -15  -34  -21  -12 
  4     -22  -35  -25  -29  -35  -18  -16  -23  -11  -17  -51  -71  -63  -60  -75  -78  -56  -47  -51  -42  -30  -31  -39  -55 
  5     -82  -54  -46  -79  -79  -60  -34  -25  -30  -34  -41  -48  -43  -66  -48  -51  -56  -45  -38  -37  -38  -35  -43  -36 

  6     -42  -45  -51  -32  -39  -32  -26  -24  -25  -22  -26  -33  -29  -20  -15  -32  -35  -26  -18  -21  -14  -27  -17  -15 
  7     -21  -22  -20  -23  -25  -22  -19  -12   -8   -7    2   -1   -4   -6   -6  -11   -9   -8  -19  -27  -27  -24  -15  -21 
  8     -33  -23  -20  -21  -15  -14  -21   -8   -3   -6  -12  -12   -8   -7   -6  -22  -14  -10  -13    4   -8  -11   -1   -8 
  9     -17  -32  -13  -33  -33  -30  -24  -15  -28  -32  -28  -44  -56  -44  -41  -36  -37  -31  -25  -26  -22  -13  -19  -21 
 10     -22  -28  -24  -22  -32  -35  -38  136  999  999  -23  -19   -9   -7   -5   -7   -8   -5   -9   -6   -8  -13  -15  -14 

 11      -4  -12  -23  999  999   60  999  999  999 -184  -10  -14  -18  -14  -17  -24  -16  -13  -11  -12  -14  -19  -20  -17 
 12     -22  -35  -51  -47  -37  -28  -26  -15  -21  -27   -8  -15  -34  -51  -52  -59  -64  -65  -52  -46  -47  -39  -26  -17 
 13     -21  -26  999   91  999   12  999  999  999  999  -11  -21  -21  -22  -15  -15  -16   -8   -6   -6    5    1   -8  -15 
 14     -21  -20 -184  -21  -28  -25  -27  -24  -31  -19  -18  -18  -21  -20  -20  -15  -24  -26  -16   -7   -8   -5  -11  -15 
 15     -13  -21  -27  -21  -27  -29  -22   -8   -7  -10   -9   -7   -3   -5   -6   -8   -7   -9    8   22   13   14    8   20 

 16      -6  -33  -28  -26  -23  -24  -19   -6    9   21   21   17    6  -53 -127 -152 -164 -169 -166 -118 -101  -88  -81  -79 
 17     -72  -60  999  999  999  999  999  267  999  999  -18  -24  -24  -26   -9  -10  -15  -17  -13   -8  -10  -10  -12   -9 
 18     -10  -15  999  999  999  999  999  999  999  999  -17  -23  -17  -17  -17  -22  -29  -32  -39  -31  -22  -26  -25  -21 
 19     -21  -21  999  999  999  999  -40  -38  -38  -15  -21  -24  -43  -57  -51  -56  -48  -36  -38  -37  -35  -37  -42  -38 
 20     -58  -66  -64  -52  -47  -43  -39  -19  -19  -16  -16  -15  -14  -16  -14  -13   -8   -4   -3    0    3    4   11   11 

 21      15  999  999  999  999  999  999  999  999  999  -27  -35  -26  -31  -71  999  999  999  999  999  999  999  999  999 
 22     -11  -11  -20  -29  -25  -29  -29  -19  -12   -7   -9   -4   -1   -4   -3   -3   -6   -3   -7   -4   -4   -6   -6   -9 
 23      -5   -5   -5  -11  -14   -8  999  159  999  999    4   -5   -2   -6    2    4    0   -2   -2   -2    2    3    4    8 
 24      10    1    1    0   -8  -11   -8   -7    8   -9    4  -11  -26  -15  -25  -17   -8   -8   -4   -1   -1   -1    1    5 
 25       7    2   -1   -7   -7   -9   -9   -7   -5   -5    1    5    9    6    8    5    2    2    3    5    6    4    7    7 

 26      10    9    4    2   -1   -7   -9    0    2    2    3    7    7    4   11   11    6    4    4    5    4    6    8   11 
 27      10    6    5    1   -7   -5   -1   -5   -9   -2    3   11   15    9   11   12    8    4    4    4   11   12   12   15 
 28      13    3    0   -5   -6   -4   -3    0    4    5    7   11   18   12   14   13   10    7    8    9    9   11   11   15 
 29      15   10    8    4    3    5    3   -3    5    6    6    5   11   13   14   10   10   11   11   11   11   10   12   16 
 30      15    6  -14  -28  -18  -21  -28  -20  -15  -17    5    3    1   -3   -5   -8   -2    3    5    7   10    8   12   10 




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

April 2025 
 
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       4    3    1   -1   -1   -2   -3   -1    2    5    7    9   10   10    9    8    8    9   10   11   13   15   16   16 
  2      -2   -9  -18  -23  -25  -21  -20  -19  -19  -24  -31  -36  -35  -36  -34  -30  -24  -21  -20  -18  -18  -20  -21  -23 
  3     -32  -36  -35  -32  -28  -22  -18  -11   -6   -4   -3   -7  -15  -23  -28  -32  -34  -30  -27  -23  -20  -21  -21  -22 
  4     -24  -27  -28  -27  -25  -22  -20  -20  -30  -40  -47  -60  -68  -67  -63  -61  -58  -51  -43  -40  -41  -46  -46  -50 
  5     -59  -65  -66  -59  -54  -51  -44  -37  -35  -37  -44  -47  -50  -52  -51  -51  -46  -44  -42  -39  -38  -38  -39  -39 

  6     -42  -41  -40  -38  -34  -30  -28  -26  -26  -27  -26  -24  -26  -27  -26  -24  -25  -24  -23  -20  -19  -19  -19  -20 
  7     -19  -21  -22  -22  -20  -18  -16  -13   -9   -6   -5   -4   -5   -6   -7  -10  -13  -17  -19  -20  -22  -24  -24  -23 
  8     -22  -22  -20  -19  -16  -14  -11  -11  -10   -8   -8   -9  -11  -12  -11  -12  -10  -10   -9   -6   -6   -7   -9   -9 
  9     -17  -23  -27  -28  -25  -27  -27  -26  -28  -34  -38  -41  -42  -43  -41  -36  -33  -29  -26  -23  -21  -20  -19  -19 
 10     -23  -25  -28  -30  -29  -31  -34  -33  -26  -15  -13  -11  -10   -9   -7   -7   -7   -7   -8   -9  -11  -10  -11  -12 

 11     -11  -10   -7  -11   19   60  -62  -15  -15  -17  -16  -16  -17  -17  -17  -16  -15  -15  -14  -15  -15  -17  -18  -19 
 12     -32  -35  -37  -38  -34  -29  -26  -21  -19  -20  -26  -31  -37  -46  -54  -57  -56  -55  -52  -46  -38  -33  -30  -26 
 13     -22  -20  -21  -22   38   38   12   -9  -18  -19  -20  -19  -18  -18  -16  -13  -11   -8   -5   -4   -5   -7   -7  -10 
 14     -16  -22  -24  -26  -26  -27  -26  -24  -23  -22  -21  -19  -19  -20  -21  -20  -18  -16  -14  -12  -10  -10  -10  -11 
 15     -18  -21  -23  -25  -22  -19  -17  -14  -10   -7   -7   -7   -6   -6   -6   -4    0    3    7    9   14   12   10    9 

 16     -11  -16  -24  -26  -21  -15   -7    0    7   11    4  -19  -48  -79 -110 -138 -149 -145 -134 -120 -105  -90  -85  -80 
 17     -74  -71  -66  -60  267  267  267   -5  -19  -21  -24  -21  -19  -18  -17  -15  -12  -12  -12  -12  -10  -10  -10  -10 
 18     -11  -11  -12  -15  999  999  999  -17  -21  -20  -19  -18  -19  -21  -22  -26  -28  -29  -30  -29  -27  -24  -23  -23 
 19     -22  -21  -21  -27  -38  -38  -31  -29  -28  -30  -33  -35  -42  -46  -48  -48  -44  -42  -39  -38  -38  -41  -42  -43 
 20     -53  -54  -55  -52  -44  -37  -31  -25  -21  -16  -16  -15  -15  -13  -11  -10   -7   -4   -1    2    4    6    8    9 

 21      11   12   15  999  999  999  999  -27  -33  -30  -30  -37  -37  -38  -39  -47  -71  999  999  999  999  -11  -11  -11 
 22     -21  -22  -24  -26  -26  -24  -20  -17  -13   -9   -6   -5   -4   -3   -3   -4   -4   -4   -5   -5   -6   -6   -6   -7 
 23      -7   -8   -8   -9   -9  -10  -10   -3    0   -1   -3   -2   -1   -1   -1   -1    0    0    0    0    2    4    5    6 
 24       4    2   -1   -4   -5   -4   -6   -4   -4   -7   -8  -14  -15  -17  -16  -13  -11   -7   -4   -2    0    1    2    3 
 25       1    0   -3   -5   -7   -7   -7   -6   -3    0    2    4    6    6    6    5    4    4    4    5    6    7    7    7 

 26       7    5    3    0   -2   -2   -2   -1    1    4    4    6    7    8    7    7    7    6    5    5    6    7    8    9 
 27       7    4    1    0   -2   -4   -5   -3    0    2    5    8   10   11   10    8    7    7    7    8   10   11   12   13 
 28       6    3    0   -3   -3   -2   -1    1    4    7    9   11   12   13   12   11   10   10    9    9   11   12   12   13 
 29      11    9    7    6    3    3    3    4    4    5    8    9   10   10   12   12   11   11   11   11   12   12   13   13 
 30       1   -4  -10  -17  -22  -22  -20  -16  -12   -7   -4   -3   -1   -2   -2   -2    0    3    5    8    9   11   12   12 





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