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

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                               JUNE   2010
      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  -44 -38 -31 -27 -28 -33 -31 -28  -29 -29 -27 -23 -21 -21 -21 -22  -22 -22 -24 -26 -33 -36 -34 -33
 2  -35 -33 -30 -29 -31 -28 -26 -24  -24 -24 -22 -21 -20 -19 -17 -17  -17 -18 -17 -21 -23 -22 -21 -20
 3  -22 -21 -18 -20 -18 -18 -16 -16  -16 -14 -15 -19 -21 -23 -21 -12  -11  -9  -9 -13 -14 -10 -13 -28
 4  -40 -53 -46 -38 -42 -40 -35 -29  -28 -32 -28 -30 -28 -26 -24 -23  -25 -24 -21 -22 -23 -23 -27 -29
 5  -29 -28 -25 -26 -25 -22 -22 -23  -23 -22 -22 -21 -16 -11  -8  -6   -4  -4  -6 -10 -12 -17 -21 -25

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

11  -10 -13 -15 -13 -12  -9  -9  -8   -7  -6  -8  -8  -5  -6  -7 -10   -8  -5  -5  -8 -12 -14 -14 -13
12  -12 -10 -10 -10 -11 -10  -9  -8   -9  -7  -6  -5  -5  -7  -8  -7   -3  -2  -1  -1   0  -1  -3  -3
13   -2   2   7  11  10   9   7   4   -1  -1   2   4   5   6   8   6    4   2   0  -6  -9 -12 -12 -12
14  -11  -9  -8 -13 -14 -12 -11 -11  -12 -12  -9  -7  -5  -4  -1   1    4   1  -4  -5  -3  -2  -4  -6
15   -1  -1  -3  -5   1   7   9  14   17   4   3   4   7  11  11  12    9  12  14  12   6  -3  -6 -10

16  -16 -19 -28 -36 -23 -18 -16 -19  -14 -16 -24 -24 -18 -15 -14 -18  -14 -13 -14 -23 -24 -22 -21 -23
17  -29 -25 -23 -24 -20 -20 -22 -23  -17 -16 -16 -12 -11 -11 -13 -14  -13  -9 -10 -16 -21 -19 -19 -18
18  -16 -13 -12  -9  -7  -9  -9  -6   -5  -6  -5  -5  -5  -7  -8 -12  -13  -9  -8 -11  -9  -7  -7  -5
19   -5  -4  -3  -3  -5  -4  -1   0   -1  -5  -5  -8  -9  -9  -9  -9   -9  -6  -2   0   1  -2  -5  -6
20   -8  -9  -8  -3   0  -1  -2  -3   -2  -2   1   2   2   3   2  -4   -4  -3  -3  -5  -5  -3  -3  -1

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

26   -1   2   6   2  -5 -11 -21 -19  -19 -31 -25 -17 -13 -14 -15 -16  -17 -17 -21 -19 -16 -15 -15 -10
27   -8  -6 -10 -18 -15 -17 -15 -12  -14 -17 -11 -10 -11 -13 -15 -18  -14 -11 -13 -17 -15 -13 -16 -17
28  -17 -15 -13 -16 -19 -18 -16 -11  -14 -13 -12  -9  -9  -8  -6  -7  -11  -8  -7  -5  -6  -6  -5  -4
29   -7  -9  -9 -12 -13 -13 -12 -12  -17 -17 -15 -11  -8 -12 -16 -14  -14 -14 -15 -17 -13 -15 -24 -21
30  -17 -15 -17 -25 -27 -26 -27 -27  -25 -26 -20 -16 -14 -14 -16 -16  -15 -13 -10 -15 -18 -21 -22 -18