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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              APRIL   1972
      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 -13 -13 -12 -13 -13 -13 -18  -19 -21 -20 -15 -14 -19 -23 -15  -13 -16 -22 -26 -33 -32 -32 -35
 2  -31 -25 -28 -40 -46 -32 -25 -25  -24 -22 -26 -26 -22 -19 -18 -20  -24 -25 -24 -21 -20 -20 -16 -11
 3  -10 -11 -12 -10  -8  -7  -7  -5   -3  -5  -7  -9  -9  -8  -6  -2    0   1   1   4   6   4   6   6
 4   15  21  19   0   2   7  10   4   -1  -4  -7  -8  -6  -4  -9 -14  -16 -17 -19 -20 -21 -21 -20 -22
 5  -24 -22 -23 -19 -18 -19 -21 -13   -9 -10 -17 -19 -15 -13 -11 -13  -15 -17 -19 -22 -21 -20 -20 -18

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

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

16  -18 -17 -17 -13 -11 -11 -11 -16  -16 -14 -13 -15 -13 -12 -13 -12  -10 -10 -12 -14 -15 -14 -13  -7
17  -10 -14 -14  -8  -4  -5 -10 -11  -10 -10  -9 -12 -10  -7  -3  -2    0   1   2   0  -3  -4  -2  -1
18   -5 -14 -21 -29 -33 -34 -29 -33  -35 -44 -45 -46 -37 -35 -32 -36  -39 -44 -43 -38 -38 -42 -43 -35
19  -32 -25 -19 -18 -10  -8  -2  -1   -8 -13  -9 -19 -26 -27 -25 -22  -26 -28 -27 -27 -26 -27 -27 -24
20  -22 -19 -17 -13 -10  -7  -3  -3   -2   0  -1   4   2   5   8   5    0  -2  -8 -14 -13 -15 -12 -21

21  -28 -30 -26 -35 -44 -46 -42 -45  -47 -50 -48 -44 -42 -40 -36 -33  -28 -31 -38 -41 -33 -27 -23 -21
22  -20 -18 -15 -14 -13 -14 -14 -14  -14 -16 -14 -13 -13  -2   2   1    5  -3 -19 -33 -39 -39 -37 -31
23  -23 -16 -16 -16 -17 -17 -15 -12   -1  -8 -12 -17 -21 -19 -17 -16  -15 -14 -14 -18 -20 -25 -29 -24
24  -23 -23 -22 -21 -18 -15 -13 -13   -7  -6  -4   3   5   6   6   7    5   6   8   7   8   8   6   4
25    0  -2  -4  -5  -3  -3  -2  -3   -3  -1   0   3   2   0   1   3    6   7   7   9  11  12  12  11

26   10  12  15  17  16  14  13  13   13  14  11  11  13  11  10  11    7   7  10   9   9   8   9   9
27    9  10  12  15  18  19  19  18   15  13  12  14  15  23  26  15   -1  -4  -5  -5  -6 -13 -15 -16
28  -16 -14 -11  -8 -11 -12 -11 -21  -35 -47 -57 -54 -47 -49 -54 -61  -67 -59 -49 -43 -40 -39 -38 -34
29  -28 -26 -28 -26 -29 -41 -47 -51  -62 -73 -74 -70 -57 -57 -58 -52  -44 -46 -59 -69 -67 -67 -66 -66
30  -57 -48 -37 -35 -32 -32 -31 -32  -31 -34 -30 -33 -36 -37 -34 -36  -39 -41 -44 -45 -47 -40 -35 -29