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

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                             AUGUST   2009
      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   -6  -5  -6  -7  -7  -9  -5  -2    0   3   2   2   0  -2  -3  -5   -5  -5  -3   1   2   1   0   2
 2    2   3   2  -2  -7  -7  -7  -7   -5  -7  -7  -5  -4   0   1  -1   -3  -7  -5   0   6   7   4  -1
 3    0  -3  -5  -4  -7 -12 -15 -16  -18 -17 -18 -16 -13  -9 -10 -10  -10  -9 -10 -10  -7  -7  -6  -5
 4   -5  -7  -8  -9  -7  -6  -5  -4   -4  -3  -3  -3  -5 -10 -10  -7   -7  -8  -9  -9  -9 -12 -12  -9
 5   -8 -10  -9  -9 -12 -16 -20 -18  -16 -13 -11  -7  -3  -3  -3   3    2   3   6   7   9  10  15  15

 6   14  24  27  18   2 -10 -31 -36  -25 -17 -19 -17 -10  -7 -12 -14  -16 -17 -15 -13 -11 -10 -11 -11
 7   -7 -10 -12 -12 -15 -15 -15 -14  -15  -9  -6   0  -3  -9 -10 -11   -8  -9 -11 -13 -12 -15 -17 -10
 8   -7  -6  -3  -5 -10 -13 -12 -11  -10 -10 -10 -12 -11  -9  -9  -9   -7  -6  -6  -6  -3  -2   0   3
 9    4   1   5   0  -7 -15 -16 -13  -13 -17 -21 -20 -16 -15 -13 -12  -13 -16 -16 -16 -15 -13 -10 -10
10  -11 -12 -15 -13 -13 -13 -12  -9   -8  -6  -8  -9  -8  -7  -5  -4   -2  -1  -4  -2   1   1   2   4

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

16    2   0  -2  -3  -5  -3  -1   2    2   2   0  -4  -5  -5  -5  -6   -4  -4  -2  -1  -2  -3  -2   0
17    1   0  -1  -1   2   3   4   6    8   9  10  11  10  12  11  11   12  13  11   9   6   3   5   4
18    4   3   3   1  -2  -3  -2   2    1   1   0   2   2   1   3   4    4   2   3  -1  -1  -4  -3   0
19    3   4   1   1   1   2   3   5    8  12  12   3 -10 -18 -16 -23  -26 -24 -24 -22 -18 -21 -17 -16
20  -12 -11 -12 -18 -14 -10  -6  -8   -9  -6  -7  -6  -6  -9 -11 -11   -8  -5  -4  -3  -3  -6  -8  -9

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

26   -1  -4 -10 -14 -17 -19 -17 -19  -21 -19 -13 -11  -9  -8  -7  -7   -5  -5  -4  -1   0  -2  -3  -3
27   -2  -5  -6  -6  -5  -2   1   4    6   7   6   7   6   5   4  -4  -11 -14 -15 -15 -14 -14 -11 -11
28  -10 -11 -12 -13 -14 -13 -11  -9   -8  -8 -10  -8  -8  -8 -10 -12  -10  -6  -2  -1  -1  -3  -5  -6
29   -6  -8  -7  -5  -4  -4  -5  -4   -2  -4  -3  -2   0  -1  -1  -1    0  -1   0   5   7   4   3   6
30    8  13  17  16  11   9   7  -1  -12 -25 -19 -14 -13 -12  -9 -22  -29 -25 -23 -26 -25 -22 -25 -26

31  -23 -16 -17 -20 -18 -16 -14 -10   -6 -13 -16 -12  -6  -4  -3  -5  -10 -12 -12 -12  -8  -8  -7  -7