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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              APRIL   1974
      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  -18 -19 -18 -16 -13 -10  -9 -15  -24 -39 -46 -42 -31 -30 -34 -31  -26 -24 -22 -24 -21 -18 -19 -17
 2  -16 -18 -21 -20 -16 -11  -8 -12  -13  -9  -5  -3 -10 -17 -18 -20  -19 -19 -19 -15 -13 -21 -36 -45
 3  -48 -38 -46 -47 -35 -19 -14  -9   -9 -25 -23 -15 -10 -21 -32 -31  -26 -33 -39 -30 -33 -34 -39 -43
 4  -37 -37 -36 -37 -39 -40 -37 -38  -31 -34 -30 -23 -21 -31 -50 -51  -47 -39 -40 -34 -31 -30 -25 -19
 5  -19 -17 -14 -14  -9  -7  -5  -4   -4 -12 -20 -12 -15 -16 -13  -9   -7  -9 -17 -21 -19 -14 -12 -16

 6  -14 -12 -13 -28 -42 -37 -26 -17  -16 -15 -13 -12 -10 -10 -12 -10   -9 -10 -10 -13 -15 -16 -19 -21
 7  -18 -17 -21 -17 -14  -9 -12 -16  -18 -17 -14  -9  -8  -9 -11 -11  -15 -18 -15 -14 -11  -7  -9 -10
 8  -11 -11  -9  -7  -4   1   8   8    8   8   7  -3 -21 -24 -19 -15  -15 -20 -26 -20 -15 -14 -15 -14
 9   -7  -8  -9  -7  -4  -4   1  -2   -4  -4  -4   0  -1  -4  -4  -2    1   1  -9  -4  -6  -3  -5  -6
10   -5  -6  -7 -11  -7  -7   5   1  -12  -3   1  -3  -9 -14 -10  -2    0  -6  -5  -7  -8  -2  -2  -1

11   -7 -13 -18 -24 -18 -11  -7  -6   -8  -6  -7  -7  -3  -5  -9  -8   -6  -4  -5  -6  -4  -4  -4  -5
12   -6  -7  -9  -8  -4  -1   1  -1    1   2   2   4   4   4   5   4    3   2   1   3   5   6   6   6
13    4   2   1   4   6   3   3   3    2   2   3   4   1  -1   1   2    1   3   1   1   4   4   3   3
14    4   3   3   2   1   3   6   4    4   2   3   7   8  11  15  13   14  13  13  12   9   6   1   1
15   -1   1   4   8  12  13  14  13   12  12  11   9   7   7   9   9   11  12  14  14  13   9   6   5

16    6   8  10  14  16  17  18  17   17  18  16  14  10   8  12  13   15  18  17  15  12  14  14  12
17   10   7  10  12  14  18  18  17   17  18  15  12   9   8  10   6    2   1  -2  -4  -4  -3   1   8
18   11  10   0 -21 -40 -62 -77 -76  -72 -85 -74 -56 -52 -54 -59 -54  -45 -40 -37 -48 -56 -63 -55 -39
19  -32 -32 -38 -46 -59 -63 -51 -38  -36 -31 -28 -24 -24 -19 -26 -35  -39 -33 -45 -46 -45 -53 -44 -36
20  -36 -34 -27 -32 -34 -27 -20 -27  -29 -23 -23 -16 -15 -16 -23 -23  -24 -29 -27 -22 -28 -30 -26 -28

21  -28 -20 -21 -23 -20 -20 -19 -20  -23 -16 -11 -15 -18 -18 -14 -12  -13 -15 -20 -22 -19 -22 -27 -21
22  -28 -20 -16 -17 -19 -22 -25 -33  -40 -38 -32 -25 -30 -34 -31 -29  -29 -33 -27 -33 -33 -31 -32 -28
23  -25 -33 -30 -24 -21 -21 -30 -28  -25 -24 -18 -18 -16 -20 -28 -24  -16 -23 -27 -30 -25 -27 -35 -34
24  -27 -24 -18 -14 -16 -18 -16 -18  -17 -15 -12  -9  -8  -9  -8 -10   -9  -6  -4  -7 -18 -22 -20 -17
25  -15 -17 -26 -27 -20 -17 -16 -21  -22 -15 -11 -12 -16 -14 -16 -14  -17 -15 -15 -12 -14 -16 -21 -20

26  -20 -15 -13  -8 -12  -9  -3  -4   -7  -5  -8  -7  -5  -3  -5  -9  -10  -5  -2   1   2 -11 -19 -26
27  -28 -18 -11 -21 -18 -20 -15 -16  -19 -19 -19 -11  -7 -14 -11  -7   -7  -9 -12 -11  -4   0  -4  -7
28    3   1 -11 -13 -11 -10  -9  -6   -8  -3  -8 -10 -16 -19 -16 -20  -21 -18 -17 -17 -18 -17 -11 -11
29  -10 -13 -17 -21 -22 -19 -17 -12   -6  -8  -3  -6  -5   0  -8 -21  -10  -2  -1 -16 -30 -33 -33 -29
30  -22 -18 -19 -21 -27 -30 -30 -24  -20 -18 -17 -15 -17 -17 -18 -16  -15  -9  -5  -2   1  -9 -13 -14