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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              APRIL   1997
      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   -2   0  -1  -4   4   4   6  -3    0   1  -1  -2  -3  -4  -8  -7   -6  -4  -3  -2  -4  -9 -12 -13
 2  -12 -11 -10 -13 -14  -8 -16 -18  -13  -9 -12 -13 -20 -22 -20 -17  -16 -18 -20 -19 -16 -15 -19 -23
 3  -25 -22 -24 -26 -23 -20 -18 -16  -13 -12 -12 -11  -9 -10  -8  -6   -4  -5  -8 -10 -12 -12 -13 -14
 4   -7  -4  -9 -11 -13 -19 -23 -27  -24 -18 -20 -19 -16 -18 -16 -14  -13 -12 -12 -11 -11 -15 -17 -23
 5  -27 -31 -32 -34 -33 -31 -29 -27  -24 -18 -16 -15 -15 -16 -15 -17  -19 -17 -15 -12 -10 -12 -18 -21

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

11  -38 -61 -74 -73 -82 -72 -69 -69  -54 -49 -44 -42 -29 -29 -14 -15  -19  -6 -11  -7   5 -12 -31 -33
12  -37 -37 -30 -25 -22 -20 -20 -20  -22 -22 -19 -15 -13 -11 -12 -11  -10 -11 -11 -12 -13 -13 -13 -15
13  -15 -15 -17 -17 -18 -18 -14 -14  -13 -11 -11  -8  -9 -11 -16 -19  -17 -16 -17 -15 -15 -17 -18 -17
14  -14 -14 -12 -12 -13 -13 -15 -16  -16 -15 -12 -11 -11 -15 -15 -15  -15 -13  -9  -4  -1   1   2   0
15    2   0  -2  -4  -2  -2  -1   2    1   1   1   1   0  -1  -2  -2   -2  -2  -2  -1   1   1  -1  -3

16   -4  -6  -8  -8  -5  -4  -5  -6   -6  -4  -4  -3  -7   2   9  14    8   2 -10 -20 -18 -38 -42 -44
17  -37 -49 -48 -50 -66 -77 -64 -55  -55 -49 -43 -40 -41 -39 -36 -35  -33 -29 -29 -34 -38 -37 -33 -29
18  -25 -32 -41 -39 -33 -28 -29 -35  -37 -39 -33 -37 -37 -40 -37 -37  -37 -37 -36 -38 -35 -38 -39 -39
19  -36 -34 -34 -31 -30 -35 -31 -33  -32 -34 -36 -32 -35 -36 -36 -36  -35 -31 -32 -34 -34 -33 -34 -32
20  -31 -31 -28 -27 -24 -23 -23 -24  -22 -19 -17 -16 -16 -19 -22 -22  -20 -19 -21 -23 -23 -24 -20 -19

21  -20 -22 -23 -20 -18 -14 -11 -11   -4  -1  -8 -12  -6 -14 -20 -24  -24 -37 -57 -78 -84 -92-102-107
22  -93 -76 -74 -80 -79 -73 -68 -63  -55 -46 -45 -47 -46 -43 -40 -37  -33 -35 -36 -39 -37 -35 -36 -34
23  -34 -31 -25 -21 -17 -14 -11 -11  -10  -8 -14 -13  -3  -7  -8 -12  -15 -15 -19 -20 -26 -32 -27 -17
24  -14 -24 -32 -31 -23 -21 -21 -26  -26 -21 -22 -19 -17 -14 -19 -23  -26 -23 -22 -16 -11  -7  -3   0
25   -4  -6  -3  -3   0  -4  -3   1    3   4   1   1   0  -1  -4  -6   -6 -10  -9 -10  -9 -10  -5  -3

26   -2  -2  -4  -2  -4  -4  -7  -7   -8  -9  -7  -6  -5  -3  -5  -7   -5  -1  -1  -4  -5  -2   1   2
27    6   5   3   3   3   0  -2  -1   -1  -2  -4  -6  -7  -5  -4  -4   -3  -5  -7  -7  -6  -8  -7  -5
28   -2   0   3   4   3   5   5   5    5   4   6   9  10   9   8   4    3   3   3   3   5   6   5   3
29    1   3   5   4   5   6   4   2    0  -1  -2   2   1   3   7   7    7   4   1   2   6   9   8   3
30   -4  -6  -8 -13 -13 -14 -11  -8   -5  -7  -4  -2  -2   0  -5  -7   -7  -9 -10 -14 -20 -23 -28 -26