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

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              MARCH   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   -2   1   3  -1  -2  -5  -4  -3   -3  -2  -1  -3  -3  -5  -6  -8   -9 -10 -11 -12 -11 -10  -7  -7
 2   -6  -5  -2  -3  -4  -6  -5  -5   -6  -4  -4  -6  -6  -7  -8  -9   -8 -10  -9  -6  -5  -4  -2  -3
 3   -4  -3  -1   3   3   4  14  19   14  15  15   6   5   9   9   2    3  -3  -4   1   2   1  -1   1
 4   -3  -1  -1  -4  -6  -9 -11 -12  -11  -9  -9 -11 -14 -13  -8  -4   -7  -8 -10 -11 -12 -11  -8 -10
 5   -8  -5  -7 -12 -10  -9  -8  -5   -6  -4  -2   1   0  -3  -7  -8   -9 -10 -10  -8  -7  -5  -2   4

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

11   -3   0   1   4   3   2   1  -1   -1   1   1   2   3   2   2   3    2  -3  -8  -8 -12 -11  -9  -2
12   -3  -2 -10 -12  -9  -7  -4  -7   -7  -2  -1   0   2   5   4   5    5   4   8  12  18  19  13   7
13   -9 -15 -28 -26 -22 -24 -28 -31  -32 -23 -20 -19 -16 -16 -16 -16  -17 -22 -26 -26 -25 -23 -22 -22
14  -20 -21 -17 -15 -14 -13 -14 -19  -14 -13 -17 -17 -14 -12 -11 -12  -14 -18 -20 -17 -17 -13 -14 -20
15  -23 -18 -17 -16 -16 -20 -19 -19  -17 -15 -15 -13 -13 -12 -13 -13  -12 -13 -15 -15 -14 -12 -14 -16

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

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

26   -6  -7  -9 -10 -14 -18 -17 -12   -7  -7  -7  -6  -5  -4  -2  -2   -4  -8 -10  -7  -6 -10 -12 -14
27  -13 -13  -9  -7  -5  -4  -4  -5   -5  -5  -6  -7  -6  -3  -3  -4   -6 -13 -14 -15 -14 -13 -13 -11
28  -12 -12 -12 -10  -7  -5  -5  -3   -1  -3  -7  -7  -3   3   6   6    3   1  -1  -4  -3  -1   3   5
29    3   0  -3  -2  -2  -6  -7  -5   -4  -4  -4  -1   2   4   4   4    1   0   1   4   6   7   5   4
30    5   1   0   1   2  -2   0   0    0   1  -2  -5  -3   1   2  -1   -2  -1  -2  -2  -1   2   2  -1

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