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

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                             AUGUST   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   -7  -8  -8  -7  -6  -7  -6  -8  -12 -18 -18 -13 -10  -7  -6  -8   -9  -9  -4  -4  -4  -1   3   6
 2    6   3  -2  -5  -6  -6  -8 -11  -15 -16 -14 -14 -13 -10 -11 -12  -12 -12 -12 -13 -11 -10  -8  -8
 3   -1   4   2  -2  -8 -14 -13 -14  -14 -16 -17 -10  -7  -1   0   0    0   5  13  16  -5 -38 -66 -72
 4  -69 -74 -65 -64 -70 -57 -49 -35  -30 -38 -32 -48 -58 -42 -46 -51  -59 -60 -68 -74 -67 -69 -65 -67
 5  -69 -71 -71 -62 -59 -55 -53 -52  -53 -52 -48 -44 -43 -41 -43 -44  -43 -41 -40 -39 -38 -33 -29 -30

 6  -27 -26 -27 -31 -35 -37 -34 -34  -33 -33 -31 -30 -31 -32 -31 -29  -28 -30 -32 -34 -33 -28 -20 -16
 7  -13 -13 -16 -17 -18 -20 -21 -23  -26 -27 -26 -23 -19 -16 -15 -17  -17 -17 -17 -18 -18 -19 -17 -13
 8  -11 -10 -12 -14 -14 -14 -15 -16  -17 -17 -17 -17 -16 -14 -15 -17  -16 -16 -20 -19 -20 -19 -15  -5
 9   -1  -1  -7 -14 -21 -23 -26 -29  -32 -31 -25 -20 -17 -20 -15 -10  -11 -19 -23 -26 -24 -21 -12  -9
10   -7 -14 -19 -22 -23 -24 -21 -22  -20 -19 -18 -16 -15 -17 -16 -18  -17 -15 -13 -10  -7  -8 -14 -16

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

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

21   -7  -4  -3  -5  -7  -7  -5  -3   -4  -5  -5  -5  -7  -5  -1   1    3   1   0  -1   0  -2  -3  -2
22    3   6   4   4   1  -2  -2  -2   -3  -2  -2  -5  -4  -3  -2  -2   -1   0   1   1   1   2   3   4
23    6   9  12  13  10   8   9  10   10  11  11   8  10  13  14  11   14  20  25  23  21  28  44  37
24    4  -7 -27 -26 -29 -27 -27 -28  -25 -26 -33 -33 -34 -29 -26 -22  -20 -17 -15 -14 -10 -10 -13 -10
25   -6  -2 -11 -19 -31 -32 -25 -22  -23 -26 -30 -32 -29 -25 -25 -26  -25 -24 -21 -20 -16 -18 -17 -12

26  -10 -14 -14 -23 -26 -18 -15 -17  -19 -19 -17 -12 -10 -10 -10 -10  -12 -11  -9  -8  -9 -11 -12 -13
27  -13  -8  -9  -8  -9 -15 -23 -25  -22 -23 -24 -22 -16  -8  -3  -7  -12 -13 -15 -15 -12 -13 -17 -20
28  -18 -13 -13 -16 -16 -17 -19 -19  -20 -17 -17 -16 -18 -15 -10  -9   -7  -8 -13 -14 -15 -11  -9 -10
29  -13 -14 -15 -17 -16 -14 -14 -13  -10 -10  -8  -8  -8  -8 -10 -11  -11 -10  -9  -9 -10  -8  -7  -9
30  -10  -9 -10  -9  -8  -8  -8  -8   -7  -6  -8  -8  -6  -5  -5  -6   -9 -10 -10  -6  -3  -2  -3  -4

31   -6  -6  -5  -3  -2  -3  -3  -3   -4  -4  -5  -6  -7  -5  -4  -4   -5  -6  -8  -7  -5  -4  -3  -2