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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                           DECEMBER   1983
      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 -19 -21 -20 -16 -13 -14 -11   -7  -3  -3  -2  -4  -3   0  -1    0  -3  -5  -5  -3   1   3  -1
 2   -7 -10 -10  -8 -10  -7  -6  -4    1   6   8   8   1  -4  -7  -6   -6  -3  -5  -6  -6  -3  -1  -4
 3   -2  -2  -4  -5  -4  -1  -1   0    3   4   5   6   3  -3  -3   1    1   4   4   1   3   3   7   7
 4    7   6   2   0  -3  -2   1   3    8   8  10  10   9   8   8   9    6   3   6  10  16  22  24  25
 5   20  17  12  -1   1   1   1   6    4  -2  -1   5  12   9   8   5    5   3  -4  -5  -4  -6  -6  -7

 6   -8  -9 -15 -14 -13 -17 -22 -25  -19 -19 -16 -12 -20 -18 -29 -27  -24 -19 -18 -27 -32 -30 -27 -24
 7  -24 -23 -26 -27 -24 -14  -9 -10  -16 -23 -29 -26 -21 -25 -20 -26  -25 -27 -32 -29 -28 -29 -33 -34
 8  -30 -22 -21 -19 -17 -13 -13 -12  -10  -6  -8 -13 -16  -9  -4  -1   -3  -6  -8  -9 -14 -17 -17 -10
 9   -4  -7  -3   1   8   9   7   7    8   6   3   0  -2  -2  -1   3    4   3   2   4   3   0  -5  -9
10   -9  -9  -9  10  26  27  31  27   11 -12  -3  -8 -19 -29 -36 -40  -52 -61 -53 -46 -36 -32 -30 -32

11  -29 -30 -29 -29 -26 -23 -15 -13   -3   0   4   6  -8  -6 -23 -37  -27 -23 -23 -37 -45 -48 -47 -43
12  -44 -49 -42 -39 -39 -38 -31 -27  -26 -34 -38 -30 -27 -25 -32 -26  -22 -24 -27 -29 -26 -26 -35 -39
13  -33 -30 -26 -24 -29 -24 -22 -20  -17 -22 -30 -27 -20 -18 -21 -15   -9 -11 -15 -23 -22 -26 -23 -30
14  -31 -25 -25 -22 -22 -18 -21 -12  -12 -13 -10 -12 -15 -16 -10 -10  -16 -15 -23 -23 -35 -39 -50 -51
15  -43 -40 -39 -34 -31 -28 -25 -26  -35 -30 -25 -17 -17 -14 -15 -19  -20 -18 -13 -15 -16 -17 -25 -30

16  -31 -32 -33 -30 -25 -22 -20 -19  -18 -16 -16 -17 -17 -16 -13 -11  -11 -11 -15 -15 -16 -15 -16 -20
17  -20 -21 -21 -17 -13 -11  -9  -6   -4  -3  -4  -4  -6  -6   0   4    5  -2  -4  -4   1   4   4   3
18   -1  -2  -2   0   1   3   4   6    8  11  11  10   9  13  12   1   -9 -18 -29 -33 -27 -18 -11 -12
19    0  12   9   0  -3   1   3   0    3   3  -4  -5   0   3   5   6    3   8   4   3  -1  -2  -6  -6
20   -7  -7  -3  -4  -5  -7  -7  -5   -2   1   0  -1   0   0   2   2    2   4   3  -1  -4  -3  -4  -2

21   -2  -1  -2  -3  -3  -1   3   3    3   4   4   5   5   6   6   3    3   2   3   2   1   1   0   2
22    4  11  24  23  22  12   2  -6  -12  -8  -4  -8  -8  -7  -9  -6   -2  -5 -12 -15 -12 -10 -12 -11
23  -14 -12  -4  -2  -6 -12 -19 -17  -10  -2  -3  -2  -1  -1   1   1    2   2  -3  -8  -9 -11 -15 -14
24  -14  -6  -1   1   5   6   8  16   14  13  18  20  11   0 -24 -31  -25 -20 -24 -30 -33 -30 -22 -21
25  -24 -26 -24 -21 -21 -19 -18 -17  -15 -12 -11 -10  -8 -11 -13 -16  -14  -9  -8 -15 -15 -10 -10 -12

26  -13 -12 -11 -10  -6   2   1   0    4   4  10  10  12  20   6  11   10   2   0 -19 -20  -7 -16 -23
27  -21 -17 -16 -12 -14 -13 -12 -14  -12 -10 -11 -10  -6  -2   0   0   -1  -3 -10  -7 -11 -22 -23 -23
28  -24 -22 -15 -12 -11 -13 -15 -20  -20 -15 -15 -13  -9 -10 -10 -12   -8  -6  -8 -10  -6  -5  -6  -7
29  -10 -10  -9  -4  -4  -7 -10 -13  -16 -16 -10  -7  -4  -4   3   0   -2   0  -1  -4  -3   0   0  -4
30   -5  -2   1   6   8   8   3   4   -1 -18 -13 -21 -31 -35 -30 -16  -29 -41 -46 -44 -43 -37 -39 -37

31  -29 -25 -25 -22 -17 -19 -26 -36  -38 -37 -34 -28 -18 -12 -11 -15  -12  -7 -16 -28 -21 -38 -34 -32