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(The monthly data in the wdc-like format is here.)

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                               JUNE   2012
      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   10   6   2   2  -1  -1   2   3    4   5  10  14   9   4   4  12   13   7   6  11  18  17  15  17
 2   19  18  19  20  20  18  16  16   19  24  26  22  18  16  14  20   17   4  -6 -13 -21 -21 -15 -17
 3  -12  -7  -8 -10  -9  -8  -3  -6   -7  -8  -8  -8  -7 -12 -22 -23  -22 -31 -42 -49 -40 -37 -33 -29
 4  -23 -18 -13 -17 -23 -22 -21 -17  -13 -19 -26 -27 -22 -19 -23 -25  -27 -28 -19 -16 -16 -20 -22 -21
 5  -15 -17 -16 -14 -16 -15 -14 -14  -11  -7  -4  -3 -17 -28 -31 -25  -23 -21 -22 -21 -23 -33 -31 -24

 6  -22 -25 -28 -27 -20 -21 -23 -20  -19 -15 -18 -22 -17 -17 -17 -19  -15 -15 -14 -15 -17 -20 -21 -19
 7  -16 -15 -12 -14 -16 -16 -15 -16  -14 -13 -12 -14 -14 -16 -14 -15  -17 -16 -16  -9  -4  -7  -8  -7
 8   -9 -11 -11 -11  -9  -4  -5  -5   -8  -8  -9  -9  -9  -8  -9 -11  -12  -9  -5   2   4   2   2   5
 9    2  -1   1   3   4   2  -1   0   -1  -2  -1  -2  -3  -7  -7  -6   -6  -4   3   3   4   5   3  -1
10   -1   0   1   2   2   3   3   3    2   3   3   0  -4  -6  -6  -6   -5  -3   5   7   8   4   0  -3

11   -4  -5  -4  -1   4  -2 -14 -18  -21 -22 -22 -26 -30 -33 -36 -36  -32 -28 -24 -24 -29 -38 -46 -54
12  -59 -67 -60 -52 -39 -39 -39 -37  -34 -33 -31 -33 -35 -37 -37 -38  -35 -32 -26 -22 -21 -21 -21 -19
13  -17  -7  -8 -11 -18 -19 -20 -21  -13  -8 -12 -18 -18 -18 -16 -13  -11  -7  -5  -5  -6  -8  -7  -6
14   -5  -6  -4  -5  -6  -6  -5  -4   -7  -8  -8  -9  -8 -10 -10  -9   -9 -11 -10  -9  -9  -8  -8  -3
15   -3  -3  -2   0  -1  -2  -1  -1    0   0  -2  -4  -5  -6  -7  -5   -2   0   4   8   8   8   8   5

16    5   5   4   1  -1   2   3   1    1   2  16  10   8   6  11  13   12  20  23  23  35  58  77  51
17   65  60  41  28  16   3  -2 -11  -18 -29 -49 -71 -80 -86 -77 -68  -72 -70 -67 -67 -65 -69 -72 -68
18  -68 -70 -72 -69 -64 -60 -60 -60  -58 -52 -45 -41 -43 -46 -47 -48  -49 -48 -44 -40 -45 -49 -50 -46
19  -43 -40 -39 -38 -36 -33 -33 -34  -33 -32 -30 -30 -32 -33 -35 -36  -37 -36 -34 -29 -27 -30 -34 -34
20  -35 -35 -33 -32 -33 -29 -29 -28  -25 -22 -21 -23 -22 -19 -19 -20  -19 -18 -21 -24 -21 -19 -20 -20

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

26   -2  -1  -5 -11 -15 -17 -16 -15  -12 -11 -11  -9  -9 -10 -10  -9  -11 -11  -7  -3  -2  -3  -1   4
27    3   3   4   9  11  10  11   8    3   2   5   7   5   4   0  -7   -9  -6   0   2   2   0  -2   1
28    3   2   1   0   0   0   0  -3   -5  -6  -7  -8  -7  -7  -9  -8   -9  -7  -3  -2   0  -3  -5   0
29    5   7   9   9   6   2   2   1    1   2   2   3   5   7   5   2    0   0   0   1   3  10  19  19
30   18  12  10  -1   1   1  -6 -14  -10 -13 -17 -13 -12  -8 -14 -13  -15 -24 -24 -31 -37 -32 -31 -29