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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                          SEPTEMBER   1990
      unit=nT                                                                                      UT
      1   2   3   4   5   6   7   8    9  10  11  12  13  14  15  16   17  18  19  20  21  22  23  24
DAY
 1  -17 -14 -12 -15 -14  -9  -5  -4   -5  -9  -9 -14  -3   6 -16 -13  -24 -35 -46 -48 -41 -36 -37 -34
 2  -31 -29 -29 -30 -29 -29 -26 -26  -29 -31 -32 -33 -34 -36 -36 -32  -25 -23 -23 -21 -19 -18 -16 -14
 3  -11  -9  -8  -6  -8  -9  -7  -7   -5  -6  -6  -9 -14 -12  -9  -8   -4   1   5   5   6   5   7   7
 4    8  12  13  11   9   9  11   9    8   5   2   0  -3  -9 -11  -8   -8 -13 -17 -17 -16 -16 -13 -17
 5  -13  -7  -6  -6 -13 -10  -1   0   -2  -2  -5 -13 -11 -13 -11 -16  -12 -10  -3   0   0  -1   3   6

 6    6   7  11  15  12  10  13  14   -1  -4  -5  -2  -5  -5  -5  -6   -5  -4  -7  -4  -9 -12  -6  -4
 7   -6  -6  -4   0   0   1   0  -2    0 -11 -14 -11 -17 -24 -36 -40  -33 -24 -20 -18 -15 -12 -11 -13
 8  -11 -10  -8  -8  -4  -7  -7  -5   -3  -4  -7 -11 -10  -9  -8  -5   -4  -6  -1   1  -3  -5  -7  -8
 9  -16 -16 -12  -4  -1   0   1   3    2   0  -1   0  -4  -5  -7  -6   -8 -10 -12 -11 -12 -12 -10  -7
10   -8  -6  -3   1   1  -5 -12  -6    0   0  -1   0   5   4   2   3    5   7   7  12   5   3  -7 -15

11  -12 -15 -10  -4   2  11  24  27    5 -16 -17 -14 -22 -31 -24 -21  -20 -25 -36 -30 -30 -23 -16 -15
12  -20 -26 -25 -26 -27 -31 -30 -23  -20 -20 -19 -17 -16 -15 -14 -15  -16 -19 -18 -20 -24 -24 -21 -14
13  -14 -17 -23 -20 -25 -21 -17 -13  -13 -20 -26 -23 -19 -25 -31 -27  -22 -25 -25 -22 -20 -14 -18 -30
14  -37 -31 -33 -33 -25 -27 -23 -21  -18 -17 -16 -17 -13  -8 -14 -16  -12 -15 -20 -18 -15 -15 -11  -8
15   -9  -7 -15 -23 -26 -16 -22 -25  -21 -15 -14 -12 -16 -10  -6  -9  -14 -13 -16 -15 -16 -16 -14  -9

16   -7 -10 -16 -16 -18 -20 -16 -21  -23 -14 -26 -20 -21 -22 -21 -27  -25 -21 -23 -18 -13 -14 -16 -18
17  -22 -20 -13 -13 -16 -16 -14 -17  -13 -14 -13 -16 -21 -22 -18 -17  -17 -18 -17 -15 -15 -18 -13 -11
18   -8  -5   0   1  -2  -5  -7 -11  -18 -22 -19 -29 -35 -35 -42 -47  -38 -38 -29 -24 -38 -37 -30 -24
19  -32 -43 -41 -35 -31 -33 -37 -28  -31 -27 -27 -26 -26 -26 -26 -25  -25 -30 -26 -25 -27 -32 -30 -31
20  -33 -33 -26 -16 -17 -20 -18 -14  -11 -10  -9 -11 -11 -12  -8 -11  -15 -21 -12  -5 -16 -19 -19 -23

21  -27 -23 -21 -17 -21 -23 -25 -26  -26 -26 -25 -28 -26 -24 -20 -21  -24 -21 -25 -27 -33 -27 -26 -29
22  -28 -29 -29 -27 -31 -35 -29 -25  -25 -18 -12  -7  -3  -5 -15 -21  -27 -21 -14 -16 -12 -14 -19 -17
23  -22 -24 -23 -22 -25 -22 -19 -24  -27 -20 -15 -13  -6  -3  -2  -8  -11  -6  -5  -4  -7  -5  -3  -6
24  -11 -12 -11 -10 -17 -25 -28 -24  -26 -27 -29 -33 -32 -23 -23 -24  -25 -20 -14 -11 -13  -6  -7  -9
25   -4  -5   0   4  -3 -10 -12 -11   -6  -6  -6  -4  -2  -1  -3  -3   -3   2  -1  -6  -5  -4  -6 -12

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