Link to Data Center Top Page , Top Page , Last Month , Next Month [Updated at 2021-06-09 06:11UT]
(The monthly data in the wdc-like format is here.)

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                             AUGUST   2017
      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   8   6   2   0   4   9  14   11   6   5   9  12  10  16  16   16  14  11   9   9  11  11  12
 2    9   8   8  10   8  11  12  13    9   6   5   4   7  11  10   5    4   5   5   4   3   2   3   6
 3    6   6   6   5   3   2   3   5    5   7   8  13  16  17  19  16   14   9  10   9   9  12  11  20
 4   26  35  34  33  36  32  22  16    2 -11 -13 -24 -20 -19 -30 -30  -25 -25 -23 -19 -15 -13  -7  -9
 5  -12 -12  -5  -5 -14 -20 -17 -21  -17 -13 -14 -17 -18 -18 -18 -11  -10 -12 -14 -12 -12  -9 -12 -14

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

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

16   14  15  11   9  10   8   5   0   -1   4  10  13  10   5   7   8    8   6   5   5   5   7   5   8
17    8   5   9   6   3   4   7   9   -5 -17 -24 -18 -13 -15 -13 -13  -14 -17 -24 -20 -16 -16 -20 -20
18  -18 -16  -8 -12 -12 -10 -10 -15  -15 -12  -8  -8 -12 -16 -24 -18  -14 -17 -26 -24 -19  -8  -6  -9
19  -12 -15 -13 -14 -13 -21 -22 -17  -35 -29 -17 -20 -17 -19 -19 -18  -19 -15 -16 -14 -13 -17 -13 -18
20  -26 -27 -18 -30 -32 -29 -27 -27  -21 -21 -21 -19 -16 -16 -16 -17  -18 -17 -15 -18 -16 -21 -19 -16

21  -13 -12 -10  -8  -9  -8  -9 -10  -13 -14 -16 -12  -8  -6  -6  -7   -6  -4  -3  -5  -5  -3  -1   0
22   -1  -7 -17 -15 -20 -17 -29 -30  -26 -26 -26 -24 -25 -23 -19 -15   -8   1   6   4  -3  -7 -14 -18
23  -17 -22 -23 -22 -26 -30 -34 -34  -36 -33 -31 -37 -48 -46 -38 -37  -40 -41 -36 -38 -33 -32 -37 -37
24  -34 -28 -20 -19 -25 -26 -27 -32  -30 -25 -23 -28 -30 -28 -23 -13  -11 -11 -11  -7  -9 -14 -16 -15
25  -16 -13 -11 -10 -11 -11 -12 -12   -8  -5  -1  -1  -2  -5  -6  -5   -3  -4  -5  -5  -8 -10  -8  -8

26   -7  -7  -5  -4  -5  -4  -6  -8   -5  -3  -3  -3  -5  -4  -5  -2    1  -1  -2  -3  -5  -4  -4  -4
27   -5  -5  -7  -6  -5  -1   1  -2   -2  -3  -9 -10  -4  -1   3   1   -4 -12 -20 -30 -35 -38 -38 -36
28  -30 -27 -23 -20 -19 -20 -19 -19  -19 -18 -17 -18 -16 -14 -12 -13  -16 -13  -9  -6  -5  -6  -6  -6
29   -3   2   5   7   6   0  -2  -4    1   5   5   0  -3  -1   3   3    3  13  15  10  -4  -5  -4  -4
30   -4  -8  -9  -7  -5  -5  -4  -2    0  -2  -1   0   5   6   7   8    8   8   7   7   5   7   8   6

31    4   4  14  17  17  26  59  36    2 -29 -39 -51 -49 -49 -47 -47  -47 -41 -43 -46 -42 -36 -30 -30