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(The monthly data in the wdc-like format is
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WDC for Geomagnetism, Kyoto
Hourly Equatorial Dst Values (FINAL)
SEPTEMBER 2012
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 16 18 17 17 12 10 11 11 4 0 -8 -13 -13 -12 -11 -9 -5 2 6 9 9 10 6
2 -2 -8 -11 -11 -12 -20 -27 -29 -26 -22 -17 -22 -25 -29 -33 -36 -41 -47 -47 -39 -35 -41 -42 -45
3 -47 -48 -49 -50 -57 -63 -65 -65 -62 -66 -69 -63 -38 -44 -52 -56 -53 -51 -52 -61 -57 -43 -48 -45
4 -33 -31 -40 -46 -42 -48 -58 -59 -54 -42 -34 -32 -39 -34 -31 -22 -17 -22 -25 -27 -30 -30 -28 -27
5 -34 -39 -45 -41 -45 -64 -55 -63 -61 -43 -37 -35 -35 -41 -38 -32 -34 -20 -22 -33 -33 -27 -19 -10
6 -12 -13 -16 -32 -26 -30 -30 -28 -25 -22 -23 -27 -27 -26 -24 -25 -17 -10 -13 -20 -25 -25 -24 -23
7 -20 -17 -11 -17 -23 -24 -20 -22 -27 -30 -28 -28 -29 -30 -27 -28 -27 -29 -32 -30 -30 -25 -27 -32
8 -35 -31 -28 -26 -30 -31 -28 -21 -17 -20 -23 -24 -26 -28 -27 -22 -20 -22 -24 -23 -21 -18 -16 -17
9 -17 -13 -8 -5 -5 -8 -10 -11 -11 -10 -9 -9 -10 -8 -9 -11 -13 -14 -13 -12 -12 -9 -6 -7
10 -11 -12 -6 -1 -2 -1 -1 -1 2 2 2 3 5 1 8 4 -4 -6 -1 2 1 -1 -1 0
11 2 3 6 9 10 7 4 2 3 2 0 1 2 1 -1 -4 -4 -6 -7 -7 -6 -5 -4 -2
12 0 3 2 2 3 -1 -1 3 5 4 2 3 1 3 6 7 7 6 9 12 11 15 13 11
13 6 3 6 8 8 1 -4 -1 1 0 0 0 0 -1 -2 -2 0 -3 -5 -4 -3 -3 -1 1
14 3 6 9 11 9 7 4 4 7 9 10 12 13 11 9 8 7 6 4 1 0 0 0 -8
15 -12 -8 -1 4 6 1 -2 -6 -9 -6 -4 -3 -3 -2 -2 1 3 0 -4 -6 -6 -4 -3 0
16 2 6 5 2 0 -1 -5 -6 -9 -8 -12 -9 -6 -4 -4 0 3 1 -5 -1 -6 -1 -1 -1
17 0 6 9 11 10 7 5 5 7 4 2 3 2 2 3 2 4 4 3 2 1 1 2 3
18 5 8 4 4 2 -4 -10 -14 -11 -11 -11 -15 -15 -11 -9 -5 -7 -3 -1 0 1 1 3 4
19 4 5 8 7 2 -4 -5 -4 -4 -4 -2 0 -4 -7 -6 1 -2 -11 -11 -7 -19 -31 -36 -25
20 -17 -23 -16 -13 -11 -9 -3 1 -5 -13 -12 -17 -17 -18 -15 -13 -15 -14 -14 -11 -11 -11 -13 -15
21 -15 -12 -11 -10 -10 -11 -6 -3 -3 1 0 2 0 0 -1 -1 0 -3 -4 -7 -7 -4 -3 -3
22 -7 -9 -9 -8 -7 -3 -2 -4 -6 -10 -6 0 -1 -3 -4 -5 -2 -1 1 -1 -1 -2 0 1
23 1 1 1 3 4 3 3 3 5 5 6 5 5 3 2 4 5 5 5 4 2 -1 -3 -4
24 0 2 5 5 5 6 10 12 9 7 8 9 11 12 13 9 7 6 9 11 13 10 7 3
25 1 1 0 -1 -1 1 5 4 4 5 5 3 3 2 1 2 5 6 3 0 -1 2 4 6
26 9 10 13 13 15 18 19 19 21 21 21 20 16 13 7 11 13 14 11 8 -5 -4 -4 -1
27 0 -1 2 2 -1 -2 -3 -1 0 3 2 -1 -1 -2 -4 -5 -3 -1 -2 -2 -4 -3 1 4
28 6 6 5 4 3 3 5 6 7 9 8 6 6 8 11 13 14 14 12 10 9 12 16 18
29 17 15 17 16 16 14 10 10 10 7 5 4 4 4 5 6 3 -2 -3 -3 0 1 1 1
30 5 10 13 12 9 10 10 11 10 9 8 15 20 24 5 -11 -20 -26 -31 -34 -39 -32 -30 -21