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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                           FEBRUARY   1987
      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   -4  -1   0  -2  -8  -5  -1   2    3   2  -3  -4  -2   0   2   5    8   1  -4  -6  -6  -5  -9  -8
 2   -6  -5  -3  -3  -5  -5  -3  -3   -4  -2  -4  -5  -3  -2  -1   1    3   1   1  -2  -2   0   1   1
 3    2   6   7   6   5   5   4   0    1   2  -1  -3  -1  -1  -1   1    0  -1  -2  -3  -2   0   2   1
 4    0   1  -1  -1   1   1   3   2    3   3   5   5   5   2   1  -1   -7  -9  -5   1   3   6   8   7
 5    4   0   1   2   3   6  13  13   15  11   9  10   9   6   6   5    7  14  17  16  16  14  12   6

 6    4   2   0  -2  -2  -1   3   7    9  11  14  11   9  12  11  12   16  16  14  13   8   4  -3  -8
 7   -7  -7  -9  -8  -8  -7  -6  -5   -6  -3   5   8   7   4   5   5    2   3   6   6   4   0   0   0
 8    3   6  -4  -7  -6 -15 -20 -19  -12 -10  -2   0  -3  -8  -9 -13  -15 -18 -20 -20 -18 -15 -12 -11
 9  -17 -17 -13 -15 -19 -20 -18 -18  -19 -15 -12  -7  -8 -11  -9  -7   -4  -3  -5  -7 -10 -14 -14 -13
10   -6  -5  -6  -8 -14 -16 -13 -11  -11 -12 -12 -10  -9 -10  -4  -2   -4  -5  -4  -4  -4   1   1   2

11    0  -2  -1  -3  -7  -6  -4  -4   -3  -4  -3  -2  -2   1   6  11   14  14  10  -1  -6  -7  -2  -3
12    0  -3  -5  -6  -5 -12 -22 -24  -27 -30 -32 -36 -42 -40 -42 -39  -34 -36 -37 -38 -38 -37 -33 -31
13  -25 -23 -26 -27 -28 -29 -27 -26  -25 -22 -17 -11 -10 -11  -4   1    4   4   0  -4  -7  -7  -6   1
14    3   5   7   3  -1  -7  -9  -8   -3  -3  -4  -5  -3   0   1  -2    1   4   1   0  -1  -3  -1   3
15    5   7   7   2  -1  -2   1   2   -1   0   4   7   5   0   0   4    5   0  -6  -9 -11 -13 -13  -5

16    1   3   7   9   6   3   1  -5   -9 -14 -16 -16 -11   0  -1  -9  -17 -20 -21 -22 -18 -17 -18 -14
17  -10  -8  -4  -1  -6  -9 -11 -11   -8  -7  -4  -2  -5  -3  -3   0    1   0  -8 -10 -13 -15 -12  -7
18   -5  -6  -8  -8  -8  -8  -8  -6   -4  -2   2   1   1   1   3   5    0  -1  -3  -6 -13 -22 -23 -20
19  -15 -12 -11 -10  -9  -9  -6  -6   -5  -3   0   2   3  -2  -2   1    4   3   4   8  12  14  12  17
20   21  27  25  21   4  -7 -13  -9   -8 -30 -45 -40 -37 -34 -35 -39  -36 -35 -35 -36 -39 -40 -34 -30

21  -29 -29 -30 -26 -25 -25 -30 -38  -39 -38 -30 -20 -18 -23 -27 -28  -27 -23 -20 -18 -23 -32 -31 -30
22  -23 -23 -24 -24 -32 -35 -30 -28  -26 -23 -20 -17 -19 -19 -18 -15  -15 -19 -19 -23 -24 -25 -25 -28
23  -30 -29 -29 -26 -27 -25 -22 -21  -19 -17 -12 -14 -11 -13 -14 -11  -12 -16 -14 -13 -17 -18 -20 -17
24  -18 -16 -15 -15 -15 -15 -15 -15  -13 -10  -8  -8  -8 -10  -8  -9  -11 -15 -18 -24 -34 -31 -24 -20
25  -22 -21 -18 -16 -17 -17 -17 -15  -12 -12 -11  -5  -1  -3  -5  -3   -1  -6 -10 -14 -15 -16 -16 -16

26  -15 -14 -11  -6  -5  -6  -8  -9   -8 -10  -5  -5  -4  -8  -4  -4   -4  -5  -8 -12 -12 -10  -8  -8
27   -4   0   3   7  13  11  13   7    2   8  10  13  13   7   5  -2  -14 -25 -32 -27 -22 -19 -26 -28
28  -32 -29 -26 -27 -23 -24 -29 -24  -17 -15 -11  -5  -1  -1  -7 -10  -15 -16 -16 -18 -20 -18 -18 -17