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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 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 -8 -7 -3 -3 -4 -5 -3 -3 -4 -7 -9 -10 -8 -9 -8 -9 -8 -9 -6 0 1 -3 -4 -4
2 -4 -5 -7 -8 -8 -9 -7 -3 1 1 -2 -3 -1 3 2 -2 -1 0 -2 -6 -8 -7 -8 -7
3 -7 -6 -3 0 0 -2 -1 -3 -3 -3 -5 -3 -1 1 0 1 12 10 4 4 10 4 -7 -3
4 3 1 0 2 2 -2 -6 -8 -4 -7 -5 -2 -2 -3 -6 -5 -6 -5 -6 -7 -5 -7 -8 -7
5 -6 -5 -3 -3 -4 -6 -5 -4 -4 -5 -6 -6 -5 -6 -4 -2 -2 -4 -5 -5 -5 -8 -8 -9
6 -7 -5 -2 -2 -2 -1 0 3 2 2 2 1 1 3 5 6 4 2 2 0 -4 -5 -5 -6
7 -5 -3 0 3 3 1 1 2 1 -1 -3 -2 1 5 7 5 2 -2 -3 -5 -6 -6 -6 -3
8 -2 -2 -2 0 -1 -1 1 3 3 5 4 5 7 12 15 14 11 6 2 1 -2 -5 -5 -5
9 -2 -1 2 1 1 1 2 3 3 3 3 4 6 7 8 7 4 1 0 2 1 0 -2 -2
10 0 0 3 4 4 2 3 5 6 7 7 8 7 10 10 7 4 3 1 1 2 0 -2 -3
11 -2 -2 -2 -4 -6 -6 -4 -1 0 -1 -5 -7 -4 -1 0 6 8 4 -3 -10 -14 -13 -10 -7
12 -4 -3 -1 -1 -4 -11 -13 -10 -5 -3 -1 0 0 1 1 -1 -2 -1 -2 -5 -6 -4 -4 -4
13 -4 -2 -1 -4 -10 -11 -8 -6 -5 -3 -1 3 10 17 17 12 7 2 -2 -3 -7 -12 -10 -10
14 -11 -10 -9 -7 -8 -6 -4 -4 -2 1 1 5 9 9 9 8 3 -2 -10 -14 -14 -13 -10 -9
15 -4 1 4 0 -4 -9 -8 -12 -14 -11 -10 -8 -7 -6 -7 -9 -8 -5 -5 -6 -7 -8 -10 -11
16 -7 -1 3 2 0 -3 -4 -9 -15 -14 -13 -11 -9 -6 -5 -3 -4 -5 -6 -5 -3 -5 -3 -2
17 -5 -5 -6 -4 -5 -7 -11 -11 -8 -6 -5 -4 -1 1 -1 -2 -1 -2 -4 -6 -9 -10 -9 -8
18 -3 2 6 6 4 1 1 1 0 -1 -1 2 4 3 4 3 2 2 0 -2 -4 -6 -6 -6
19 -2 4 7 7 5 2 -2 -5 -6 -4 -4 -6 -5 -6 -6 -6 -4 -2 -1 -2 -2 2 2 4
20 3 3 2 4 4 2 2 -1 1 4 5 6 4 3 3 10 15 15 16 12 7 -1 -5 0
21 -1 -4 -5 -3 -2 -3 -2 -6 -15 -22 -19 -16 -13 -15 -13 -14 -14 -14 -16 -16 -16 -17 -17 -17
22 -15 -12 -7 -5 -3 -4 -5 -6 -6 -6 -6 -6 -7 -6 -5 -3 -3 -5 -7 -9 -11 -12 -12 -12
23 -11 -9 -8 -7 -6 -5 -5 -4 -4 -5 -7 -8 -7 -5 -3 -1 -2 -3 -3 -4 -2 -3 -4 -6
24 -8 -8 -6 -5 -5 -4 -1 1 3 5 4 2 2 1 0 1 3 3 3 2 2 2 2 3
25 4 3 3 2 2 6 6 6 4 5 8 8 7 9 8 6 4 1 2 3 4 3 5 5
26 4 4 5 5 5 5 6 7 8 6 6 5 8 12 13 16 16 13 11 11 9 7 7 9
27 9 13 7 -6 -4 -2 0 -3 -9 -15 -16 -15 -12 -7 0 0 -3 -7 -8 -5 -4 -1 1 1
28 3 4 6 6 9 9 7 -10 -12 -11 -5 -1 2 -2 -4 -3 -3 -4 -4 -5 -10 -13 -11 -5
29 -2 -1 -1 -4 -6 -7 -6 -6 -6 -5 -2 1 2 1 1 3 4 3 3 1 -2 -4 -5 -5
30 -2 2 7 7 7 10 5 3 2 5 6 7 9 0 4 5 2 3 -1 1 -3 -7 -4 -2