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

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                             AUGUST   2013
      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   -5  -6  -6  -4  -4  -5  -5  -8   -9  -9  -8  -7  -4  -2   2   3    1   7   8   9   8   6   7   9
 2    8   7   5   4   5   6   5   4    3   4   5   5   4   3   6   5    5   4   3   3   2   2   3   0
 3   -2  -3  -2   1   5   7   7   8    7   7   8   7   6   7   7   8    8  10   6   3   2   1  -2   4
 4    7   4   3   6  12  18  19  12    5   3  11  12   8   9   8  14    3 -30 -28 -28 -35 -41 -46 -37
 5  -41 -49 -50 -44 -45 -40 -33 -33  -37 -38 -34 -32 -26 -24 -25 -27  -28 -27 -23 -22 -28 -32 -34 -36

 6  -40 -39 -34 -30 -28 -23 -22 -22  -22 -21 -17 -15 -15 -13 -13 -14  -13 -12 -15 -18 -19 -24 -25 -22
 7  -24 -25 -23 -19 -16 -12 -10 -10   -9  -8  -8  -8  -5  -3  -5  -8   -9 -11 -14 -17 -17 -17 -18 -17
 8  -18 -18 -18 -15 -11  -6  -6  -9  -10 -12 -11  -8  -6  -5  -4  -6   -7 -11 -11 -11  -6  -2  -7  -8
 9   -9 -12 -10  -2   4   2   6   5    7  10   9   6   2   6  11   9    5   2   2   1   2  -3  -4  -7
10   -9  -9 -12  -9  -4   0   2  -1    0  -1   1   5   8   6   0   2    3   7   8  10  10  10   7   4

11   -2  -6  -1   0  -1   2   5   5    5   5   5   4   4   4   3   0   -1  -3  -5  -2   1   0  -2  -7
12   -9  -6  -2   2   7  10  11   9    8   9   9   8   7   6   5   8    4   6   4   3   5   3  -1  -3
13   -5  -5  -7  -6  -2   4   7   6    9   7   2   4  11  15  15  18   10  -4 -10  -6  -2  -7 -10  -8
14  -13 -18 -27 -28 -26 -18 -15 -11   -9  -7  -7  -5  -6  -7  -8  -7   -2   6   8   1  -2  -8 -16 -21
15  -28 -31 -29 -24 -17 -10  -7  -2   -5 -13 -24 -22 -10  -6  -9 -11  -14 -16 -11  -7 -10 -17 -26 -25

16  -19 -24 -26 -32 -41 -35 -25 -28  -36 -36 -31 -26 -32 -32 -34 -33  -33 -31 -32 -28 -26 -26 -28 -29
17  -28 -26 -26 -23 -24 -22 -20 -17  -16 -17 -17 -19 -20 -22 -24 -24  -20 -19 -19 -21 -21 -22 -20 -16
18  -15 -15 -14 -15 -14 -11 -11 -13  -14 -10  -9 -10 -12 -13 -13 -12  -10 -16 -20 -22 -20 -17 -15 -13
19  -13 -14 -13 -10  -6  -3  -2  -2   -3  -4  -5  -6  -8 -10 -14 -16  -14 -13 -14 -13 -12 -13 -13 -11
20  -10 -10  -8  -6  -5  -4  -4  -4   -4  -3  -2  -3  -5  -6  -6  -3    0   2   4   9  10  12  19  28

21   20  21  20   3 -15 -26 -24 -15  -13 -15 -14 -18 -21 -21 -15 -11   -6   3   4 -13 -12 -23 -22 -16
22  -15 -14 -19 -16 -10 -10 -15 -18  -14 -14 -17 -16 -20 -18 -18 -18  -19 -18 -18 -10 -11 -16 -21 -29
23  -34 -38 -40 -31 -26 -26 -26 -23  -22 -27 -34 -32 -23 -23 -26 -28  -26 -26 -24 -22 -20 -21 -23 -25
24  -23 -19 -18 -15 -10  -6  -6  -7  -11 -15 -16 -17 -18 -18 -23 -23  -17 -16 -15 -19 -20 -22 -23 -23
25  -23 -21 -16 -11  -9 -11 -14 -18  -22 -23 -18 -21 -24 -24 -24 -26  -23 -24 -25 -25 -25 -26 -27 -29

26  -27 -24 -21 -18 -14 -13 -13 -11  -11  -8  -8  -8 -11 -10 -10  -8   -9  -9  -7  -4  -5  -6  -7 -10
27  -14 -18 -17 -13 -12  -9  -7  -4   -3  -3  -5 -11 -16 -16 -14  -2    0  -6 -24 -41 -55 -59 -53 -52
28  -50 -49 -53 -53 -50 -43 -40 -35  -29 -28 -29 -28 -27 -28 -30 -29  -26 -23 -24 -25 -26 -26 -28 -27
29  -22 -19 -17 -16 -14 -13 -12 -12  -11 -11 -13 -13 -11  -9 -12 -15  -14  -9 -13 -12 -10 -12 -12 -12
30   -9  -6  -4  -1   1  -1   1   1    2   6   8   2   1   2   5   6    4   1  -2  -8 -11  -9 -16 -31

31  -38 -39 -39 -35 -27 -21 -21 -32  -42 -38 -34 -28 -26 -32 -33 -31  -28 -24 -22 -21 -19 -14 -15 -16