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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                          SEPTEMBER   1980
      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    5   0   1   1   4   5   5   9   11   9   8   9  11  14  18  19   21  22  20  21  21  19  16  14
 2   12  10   1   1   8  14  18  15   14  13  13  10   5   5   5   5    6   7   5   5   5   3   2   2
 3   -1  -2   0   3   6  10  13  18   22  23  25  26  24  28  23  10   -7 -21 -35 -39 -35 -31 -32 -34
 4  -42 -45 -38 -36 -38 -33 -30 -24  -19 -18 -16 -17 -17 -20 -20 -18  -14 -16 -18 -15 -16 -19 -21 -23
 5  -19 -19 -20 -23 -25 -27 -24 -21  -19 -13 -13 -18 -19 -17 -16 -17  -17 -25 -35 -44 -49 -52 -48 -38

 6  -31 -28 -27 -23 -17  -5   3  -3    1   0  -5  -5  -3   3  12  -1    8   4  -2  -6  -7  -4  -9 -26
 7  -32 -29 -21 -18 -17 -16 -15 -14  -11  -9  -9  -7 -10  -6  -4  -1   -1  -5 -13 -18 -20 -17 -11 -14
 8  -24 -27 -30 -24 -20 -18 -15 -10   -6  -1  -1  -2  -4  -6  -2  -7   -4  -1   0  -1  -1  -3   0   3
 9    4   2   0   5   1   4   1   4    8   9   2  -3  -3  -7 -10  -9   -6   0  -5  -7  -9 -14 -20 -20
10  -16 -14 -11  -9  -7  -6  -6  -5   -4  -1  -2  -2  -1  -1   0   0    0  -3  -4  -3  -5  -6  -6  -2

11    0   2   5   5   8  11  10  12   11   9   3  -4  -7 -11 -14 -15   -8  -6  -5  -7  -8  -8 -10 -13
12  -16 -18 -20 -20 -21 -21 -28 -35  -36 -39 -35 -38 -40 -40 -37 -31  -33 -35 -33 -32 -39 -40 -37 -43
13  -52 -51 -52 -49 -43 -50 -54 -52  -49 -53 -58 -56 -48 -44 -46 -50  -44 -39 -36 -38 -38 -35 -30 -25
14  -23 -22 -23 -27 -33 -29 -23 -22  -21 -22 -23 -22 -19 -18 -16 -13   -9  -5  -3  -3  -3  -7 -13 -22
15  -26 -28 -24 -22 -20 -18 -19 -12  -10 -12 -14 -15 -14 -13 -17 -20  -20 -23 -25 -20 -12 -13 -15 -11

16  -12 -14 -13  -8  -8  -5  -7  -5   -2  -6  -5  -3  -2  -9  -4  -1    1   3   7   4  -4   0   3   6
17    3  -4  -7  -7  -5  -4  -2   2   -6 -12 -20 -15 -26 -24 -23 -25  -21 -19 -17 -17 -15 -13 -11  -8
18   -8  -9 -12 -10  -9  -8  -7  -7   -5  -2  -2  -3  -1  -2  -4  -3   -4  -7 -11 -12  -6  -1   1   1
19   -2  -7 -10  -6  -3  -1  -2   1    3   3   4   3   1   0   0  -2   -2  -4  -8 -12 -14 -12  -6  -5
20   -6  -1   6   3  -3  -3   0   2    2   3   0  -1   0  -3  -2  -1   -6  -5  -4  -3   0   3   7   9

21   10  10  11  10   5   0   2   5    6   6   7   7   5   3   7   5    5   6   9   8   9  10  12  13
22   15  18  18  19  14  13  11   5    0   2  14  22  24   9   1  -4   -7  -7  -9  -7  -8  -7  -4  -2
23   -1  -3   0   0   1   2   0   0   -1   0  -1   3   7   6   7   4    3   3   2  -1  -5  -4  -4   0
24    2   5   7   6   5   3   4   5    5   5   4   3   4   4   3   0    3   5   6   7   6   6   4   2
25   -5  -7  -8   0   2   2   3   4    2   2   2   1  -1  -1  -3  -4   -4  -5  -5  -3   0   2   4   6

26    5   3   4   4   3   1  -3  -5   -6  -6  -4  -2  -1   0   1   3    3   3   2   3   6   9   9   7
27    3   0   3   7   8   8  14  19   21  21  20  19  21  19  23  24   19  16  19  19  17  16  20  16
28   21  22  16  21  23  25  26  20   22  25  22  23  27  22  14  14   16  15  12   7   4   8   5   6
29    0  -1   0   5   9  11  16  21   20  15  15  13  11  10  10  15   12   9   1   4   3   2   4   4
30   -1  -3  -6  -7  -2   4   8   6    5   5   2   1  -3  -5  -3  -1    0   5  12  13   5   8   7   6