Link to Data Center Top Page , Top Page , Last Month , Next Month [Updated at 2021-06-09 06:34UT]
(The monthly data in the wdc-like format is here.)

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                          SEPTEMBER   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  -14 -11 -11  -7  -6   3   7   7   13   4 -13 -16  -5  -6  -9 -12   -8  -5   0   1   2  -5  -9  -6
 2    1   7   0  -6 -15  -5  -2  -7   -7 -16 -13  -7  -1   0  -3  -2   -2   0   0  -6  -5  -4  -3   0
 3    0  -2   1   2   0   2   7   9   11   8   3  -1   0   2   4   5    2   3   5   7   6   7   9   9
 4    2   3   1  -2   0   2   6  12   14  12  11  13  12   8   8  12   15  18  14  10  15   8   5   1
 5    4   8   2   1   0   1   4   6   12  12  12  12   8   4   5   6    5   5   0   0   2   4   4   9

 6   11  16  15  16  22  19  18  19   20  18  17  16  21  13   5   3    6   6   7   9   9   7   6  15
 7   41  52  47  37  20  14  18   7    0  -2  -3  -2   9  13  12   6    6   5   7  13  12   0 -28 -68
 8 -108-122-110 -96-108 -91 -87 -85  -67 -53 -44 -44 -75 -99-102-100  -94-109 -96 -94 -82 -74 -83 -76
 9  -72 -67 -62 -59 -55 -52 -50 -46  -44 -43 -44 -43 -41 -42 -42 -40  -39 -37 -36 -35 -35 -35 -36 -37
10  -37 -33 -34 -33 -29 -24 -22 -19  -17 -18 -20 -20 -20 -20 -19 -20  -20 -21 -20 -17 -22 -25 -30 -25

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

16  -19 -21 -20 -23 -31 -31 -26 -20  -13 -16 -13 -11  -6 -10 -13 -17  -22 -23 -19 -16 -13 -10 -11 -12
17   -9  -7  -9 -11 -11  -8  -9   2    6   6   6   5   4  -6 -10 -13  -22 -23 -17 -10  -8  -9  -7  -3
18   -2  -1  -6 -10 -13  -9  -8 -14  -19  -8  -8 -13 -16 -14 -11  -9   -7 -11 -13  -6  -5  -8  -5  -5
19    0   4   5   5   3   2   2   4    8   7   3  -2   0   3   5   5    0  -4  -2  -3  -6 -12 -16 -15
20   -9 -10 -13 -12 -12  -8  -7  -5   -2  -3  -1  -6  -5  -1   1   3    1   1   2   3   7   9  10   9

21    7   8   6   3   0  -1  -1   1    2  -1   0   1   4   6   3   4    4   8   9   5   1  -7  -8 -10
22   -7  -6  -4  -2   1   2   3   3    9  12   8   7   5   8   9  10    6   1  -4  -3  -2  -2   0   1
23    1   4   6   8   7   3   1   4    6  10  13  13  11  12  13  13    9   8   8   5   5   4   4   6
24    5   9  11  11  10  13  15  20   22  20  21  22  19  17  14  13   19  26  26  24  19  20  19  14
25    5   6   8   6   4   6   7  10   12  11  10   9  10  10  10   9    9  11  15  18  19  19  19  18

26   19  20  18  18  16  18  19  21   23  21  22  22  25  25  26  25   22  23  24  26  27  29  30  30
27   33  24  22  27  35  41  39  15   -6  -8  -4  -1  -8 -28 -31 -27  -20 -13  -5 -10 -26 -39 -44 -38
28  -27 -35 -44 -49 -44 -47 -56 -49  -50 -54 -45 -33 -30 -31 -37 -39  -34 -31 -30 -25 -24 -32 -34 -29
29  -28 -23 -22 -20 -17 -19 -15  -7   -4  -9  -9  -8  -4  -7 -10 -14  -16 -17 -18 -13 -12 -14 -15 -13
30  -12  -8  -6  -3  -6 -11 -13  -7  -11 -10  -9  -6  -4  -6 -12 -12  -15 -18 -18 -13  -8  -7 -12 -13