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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 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 -1 -3 -4 -4 -6 -6 -7 -7 -6 -5 -4 -6 2 1 -1 -1 1 4 1 -2 -4 -5 -6 -7
2 -4 -3 -1 -3 -5 -6 -4 -3 -3 -5 -5 -7 -8 -5 -7 -11 -12 -10 -9 -7 -2 2 5 7
3 7 6 6 -11 -15 -18 -16 -10 -9 -15 -22 -18 -15 -8 -10 -19 -24 -22 -21 -19 -16 -11 -9 -9
4 -12 -15 -16 -18 -23 -28 -29 -29 -28 -23 -18 -15 -15 -18 -21 -26 -26 -26 -27 -25 -21 -20 -19 -19
5 -19 -17 -14 -12 -8 -9 -12 -14 -16 -13 -10 -6 -5 -9 -15 -26 -26 -31 -31 -27 -24 -18 -20 -20
6 -19 -20 -22 -19 -17 -22 -27 -28 -29 -29 -22 -20 -20 -25 -26 -24 -23 -18 -16 -14 -11 -8 -5 -9
7 -14 -15 -11 -9 -9 -12 -14 -14 -14 -13 -9 -7 -9 -12 -14 -13 -12 -12 -15 -13 -9 -9 -9 -9
8 -9 -13 -14 -13 -14 -14 -13 -13 -13 -9 -7 -5 -4 -2 -1 0 0 -1 -2 -1 2 3 3 4
9 3 0 -2 -2 1 0 0 -2 -2 -1 -3 -1 19 36 16 1 -40 -72 -66 -62 -49 -53 -58 -66
10 -62 -71 -74 -74 -75 -74 -63 -51 -53 -51 -33 -21 -18 -17 -15 -16 -29 -31 -29 -22 -33 -47 -55 -53
11 -50 -50 -46 -44 -42 -40 -38 -39 -39 -34 -31 -27 -25 -32 -36 -32 -27 -27 -26 -26 -24 -26 -31 -29
12 -30 -35 -38 -44 -36 -29 -38 -38 -36 -28 -24 -23 -31 -25 -23 -22 -30 -43 -45 -36 -49 -53 -51 -40
13 -36 -37 -40 -41 -41 -40 -36 -33 -36 -42 -38 -34 -32 -30 -32 -31 -30 -30 -29 -29 -27 -26 -25 -20
14 -20 -18 -17 -17 -19 -21 -21 -20 -21 -20 -19 -21 -21 -21 -22 -22 -22 -25 -25 -22 -21 -18 -19 -19
15 -19 -17 -15 -13 -13 -19 -23 -23 -21 -20 -19 -18 -19 -18 -18 -17 -16 -17 -18 -22 -22 -23 -29 -29
16 -27 -23 -19 -17 -14 -15 -14 -14 -14 -15 -15 -15 -16 -18 -22 -22 -21 -18 -15 -15 -13 -13 -14 -16
17 -16 -16 -15 -10 3 11 18 21 21 -12 -40 -47 -42 -41 -59 -72 -56 -57 -68 -69 -61 -54 -50 -47
18 -46 -47 -45 -38 -35 -39 -38 -37 -35 -32 -30 -27 -28 -27 -30 -29 -28 -26 -27 -29 -30 -30 -30 -29
19 -31 -31 -30 -27 -24 -22 -21 -23 -22 -17 -13 -9 -8 -8 -8 -10 -14 -14 -15 -15 -14 -13 -14 -15
20 -16 -14 -14 -12 -17 -24 -24 -19 -19 -14 -14 -16 -17 -14 -15 -17 -18 -19 -20 -20 -24 -25 -22 -20
21 -18 -18 -16 -14 -9 -5 -6 -8 -8 -8 -5 -8 -13 -16 -19 -17 -13 -16 -16 -13 -11 -10 -11 -14
22 -15 -14 -13 -10 -7 -6 -7 -10 -9 -9 -9 -14 -14 -13 -10 -8 -8 -13 -19 -27 -29 -24 -21 -22
23 -15 -11 -10 -9 -6 -4 -5 -5 -3 -1 -3 -5 -7 -6 -5 -4 -6 -8 -8 -9 -8 -9 -6 -3
24 -1 1 3 4 1 -1 -2 -3 -3 -3 -3 -5 -8 -8 -6 -3 -4 -6 -9 -11 -12 -10 -7 -5
25 -4 -2 -1 -1 -2 -3 -5 -7 -6 -5 -5 -4 2 1 2 3 -1 0 -5 -5 -4 -2 3 6
26 7 9 12 12 12 10 8 7 7 7 4 7 23 25 17 7 -52 -82 -90 -78 -99-114-117-118
27 -102 -86 -70 -79 -77 -74 -68 -69 -77 -69 -63 -57 -51 -51 -48 -38 -36 -42 -38 -36 -33 -15 -14 -23
28 -32 -42 -42 -34 -45 -56 -68 -63 -57 -53 -58 -54 -54 -55 -54 -49 -46 -45 -45 -41 -36 -36 -36 -36
29 -37 -29 -50 -56 -40 -34 -30 -42 -44 -34 -34 -34 -35 -35 -31 -33 -32 -36 -37 -36 -37 -38 -39 -37
30 -35 -32 -35 -33 -30 -29 -30 -31 -30 -27 -26 -25 -25 -24 -24 -23 -26 -26 -18 -13 -9 -6 -3 1