Final Dst Index Monthly Plot and Table

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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              APRIL   1966
      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    3   2   0  -1   1   1   0   4    9  13  19  19  16  16   8   2  -11 -14 -18 -32 -34 -33 -33 -40
 2  -30 -26 -29 -29 -29 -29 -29 -28  -23 -16 -13 -10 -10 -10  -8  -6   -6  -5  -5  -7  -7  -6  -8 -11
 3  -19 -19 -22 -19 -17 -16 -16 -13   -9  -4  -3  -4  -6  -7  -9  -8   -6  -3  -3  -7 -10 -14 -12 -14
 4  -13 -16 -18 -16 -16 -16 -13 -12  -13 -10  -8  -3   1   4   6   4    2   2   1  -2  -7  -6  -8  -9
 5  -11 -11 -13 -12 -10  -8  -9 -10   -9  -4  -1   1   2   3   5   5    3   1  -2  -3  -3  -1  -3  -1

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

11    3   2   1   1   2   1   1   4    7   9   8   5   5   5   6   6    6   7   7   8   8   7   7   8
12    7   5   3   6   8  10  12  13   13  12  11  13  13  12  12  13   16  18  18  19  19  19  16  11
13   10   5   2   2   7   9  13  17   21  17   7  -6 -19 -26 -24 -28  -32 -37 -43 -47 -45 -42 -39 -35
14  -33 -31 -31 -29 -26 -22 -19 -16  -13  -4  -8  -8  -9  -9 -10  -8  -11 -11  -9  -7  -5  -7 -10 -11
15  -11 -11  -9  -6  -3  -7  -7  -7   -9  -8  -6  -6  -5  -6  -7  -7   -5  -4  -5  -7  -7  -4  -1   0

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

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

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