Final Dst Index Monthly Plot and Table

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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              APRIL   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    9   1  -4 -10 -18 -22 -26 -26  -28 -29 -30 -24 -19 -16 -16 -17  -18 -18 -19 -17 -15 -12 -13 -12
 2   -9  -5  -5  -6  -3  -2  -1  -2   -9 -14 -17 -15 -14 -12 -14 -16  -16 -14 -13 -11  -8  -5  -4  -2
 3   -2  -2  -3  -4  -3  -1   2   4    5   6   5   6   9   8   8   6    4   3   2   2   1   1  -2  -3
 4    1   2   1  20  26  22  24  25   25   8 -15 -19 -11 -23 -28 -25  -20 -18 -17 -15 -13 -12  -9 -11
 5   -6   0   5 -10  -8  -7 -14 -12  -12 -10 -11 -11  -9 -11 -13 -14  -15 -17 -19 -18 -24 -18 -18 -17

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

11   -2  -3  -4  -6  -7  -5  -3  -2   -3   1   0  -2  -5  -9 -13 -14  -11  -8  -7  -8  -8  -7  -3  -1
12   -3  -2  -5  -8  -9  -7  -2   1    2   1  -1  -3   2   4   3   4    5   5   4   4   2   6   7   4
13    6   6   7   3   1   0   1   8   16  13   5   7   8  10   9   9   -1 -19 -25 -21 -19 -24 -21 -15
14  -15 -13 -11  -9  -7  -6  -2  -2   -2   2   5   5   6   6  -2  -3   -8 -10 -11  -9  -8 -13 -10  -8
15   -7 -12 -16 -14  -8  -5  -4  -5   -4  -1   2   2   3   3   3  -2   -4   0   0  -7 -15 -13 -10  -9

16   -8  -9  -7  -7  -5  -2   0   2    3   2  -1  -5  -4  -2  -2  -1   -1   0   0   2   3   2   1  -1
17   -6  -8  -6  -5  -6  -5  -3  -1    1   3   0  -3   0   1   1   1   -3  -4  -4  -3   0   3   2  -1
18   -1  -2  -7  -8  -6  -5  -3  -2   -2   2   1   0   3   7  10  11   10  11  10   9   7  10  11   9
19    6   4   0  -4  -8 -11 -12 -23  -33 -31 -20 -10 -12 -13 -14 -15  -14 -12  -6  -8  -9 -11  -7  -4
20   -4  -1  -1  -7 -16 -27 -24 -28  -25 -26 -21 -20 -22 -25 -26 -23  -21 -21 -22 -22 -20 -17 -15 -10

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

26    6   4   3  -1  -2  -4  -1   3    8   9   8   6  10   8   7   6    6   4   7   8   7   8   9   8
27    8   8   9  13  12   9  11  13    0  -9  -7  -4  -3  -7  -7 -11  -15 -12 -13 -16 -12 -11 -12 -11
28  -13 -10 -10 -10 -11 -12  -9  -6   -5  -2  -3  -4  -4  -4  -4  -4   -2  -2   0   1   0  -1  -3  -4
29   -2   0  -1   0   2   2   2   4    3   3   4   6   8   9  10   9    6   4   2   1   1   3   6   8
30    9   7   9  11  14  12  10  10   11  13  12  13  14  15  12  11   10  11  13  11  15  17  15  19