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

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              MARCH   2011
      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   16  17  16  17  16  19  13  12   16  20   3 -20 -31 -55 -88 -49  -45 -57 -58 -59 -64 -58 -56 -54
 2  -57 -45 -37 -36 -40 -43 -43 -40  -36 -33 -30 -30 -27 -25 -23 -26  -29 -33 -35 -35 -34 -36 -34 -32
 3  -28 -23 -17 -19 -15 -17 -19 -19  -25 -18 -17 -16 -18 -20 -21 -18  -15 -21 -18 -29 -29 -24 -20 -19
 4  -16 -14 -14 -14 -15 -17 -20 -21  -19 -14 -19 -25 -26 -19 -17 -18  -21 -20 -27 -26 -27 -25 -25 -22
 5  -21 -23 -23 -21 -22 -22 -19 -16  -17 -18 -17 -17 -17 -15 -11  -9   -8 -13 -12 -10 -10  -9  -8  -7

 6   -5  -5  -4   0   2   0  -1  -1   -4  -4  -5  -5  -7  -6  -7 -10   -5  -2  -3  -3  -1  -2  -9  -9
 7   -7  -1  -2  -5  -7  -6  -4  -5   -2  -4  -6 -10  -8 -11 -11  -9  -11 -14 -17 -20 -24 -20 -22 -27
 8  -24 -21 -23 -22 -21 -21 -20 -21  -22 -20 -20 -19 -20 -20 -22 -20  -17 -16 -15 -14 -14 -13 -14 -13
 9  -14 -16 -17 -17 -15 -12 -12 -11  -10  -6  -8  -5  -7  -9  -9 -10   -8  -8  -9  -8  -5  -4  -3  -3
10  -11 -11 -13 -15 -17 -20 -19 -25  -36 -36 -38 -35 -39 -42 -37 -33  -36 -38 -37 -41 -55 -62 -55 -50

11  -50 -59 -63 -69 -77 -83 -80 -78  -74 -72 -67 -62 -58 -52 -48 -42  -44 -50 -53 -47 -52 -64 -59 -60
12  -58 -53 -47 -43 -43 -45 -45 -44  -45 -40 -37 -37 -40 -35 -30 -26  -22 -21 -21 -25 -28 -32 -27 -20
13  -21 -23 -24 -22 -20 -18 -18 -15  -14 -13 -12 -14 -12 -12 -12  -9   -6 -12 -14 -22 -24 -19 -18 -17
14  -16 -16 -15 -14 -14 -16 -17 -15  -12 -14 -17 -17 -15 -13 -10  -8   -7  -7  -7  -7  -9  -9  -9 -10
15  -10 -10 -10  -9  -8  -8  -9 -10  -10  -9  -8  -7  -6  -5  -5  -5   -5  -5  -4  -4  -3  -2   0   1

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

21  -10 -12 -13 -11  -7  -8  -8  -6   -5  -3  -4  -4  -3  -1   1   1   -2  -1   1   2   1   1  -6 -16
22  -18 -11 -10  -9  -7  -3   8  10   10   9   8   3   6   8  10   9    8   9   7   9   9   9   9   9
23    8   5  -3  -1  -4  -8  -8  -5   -6 -10 -10  -3  -2  -2  -5  -8  -14 -13  -9  -9  -8  -8  -5  -3
24   -1   1   1   0  -1   0   1  -2   -4  -3  -1  -2  -3  -1   1   2    2   2   3   5   2   0  -2  -3
25   -2  -1  -1   0   0  -1   0  -2   -5  -5  -3   0   2   3   5   3    2   1  -2  -1   1   2   1  -2

26   -3  -5  -7  -8  -7  -6  -5  -5   -5  -6  -5  -2  -1   0   0   0   -1  -1   1   2   3   5   5   3
27    5   4   1  -1   0   0   1   1    0   0  -3  -5  -4  -2  -1  -1   -1   1   1   1   2  -1  -1  -3
28   -3   0   2   2   1   1   4   7    8   7   4   2  -1   1   3   3    4   4   3   1   2   4   3   2
29    2   2   2   2   3   4   6   6    6   5   3   1   1   2   4   5   14  19  22  26  29  31  36  37
30   14  -1  -3  -2  -4  -1  -1  -2   -4  -3  -1   3   2   4   8   8    8  11  13  15  15  12  10   9

31    7   7   9   8   6   5   3   1    1   1   2   0  -3  -4  -4  -3   -2   0  -1  -3  -5  -5  -2  -2