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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                           DECEMBER   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  -26 -25 -25 -27 -24 -31 -29 -26  -19 -20 -19 -18 -20 -16 -18 -18  -19 -17 -16 -21 -22 -22 -21 -21
 2  -21 -20 -18 -17 -14 -11  -7  -5   -3  -5 -11 -10  -6  -6  -6  -7   -9  -9 -12 -12 -12 -13 -14 -14
 3  -15 -14 -11  -7  -3  -1  -1   0    1   1   0   1   1   1   3   3    2   3   3   3   4   6   2  -1
 4   -1   2   3   5  12  17  16   5    7   2   0   5  -7 -19 -27 -25  -21 -23 -22 -25 -28 -30 -30 -27
 5  -30 -29 -27 -22 -22 -20 -15 -16  -20 -12 -12  -9 -12 -14 -13 -11  -10 -13 -20 -35 -43 -42 -42 -43

 6  -43 -44 -43 -35 -29 -26 -23 -20  -19 -22 -24 -22 -19 -18 -16 -16  -18 -17 -19 -18 -18 -19 -19 -18
 7  -18 -19 -19 -17 -14 -12 -11  -6   -5  -6  -6  -6  -6  -5  -5  -5   -6  -6  -6  -7  -9  -7  -8  -7
 8   -5  -5  -8  -8  -5  -3   1   5    5   3  -1  -3  -4  -3  -2   0    1   2   3   4   3   1  -2  -3
 9   -5  -7  -7  -4  -2   0   0   3    5   4   1   2   3   1   1   0    1   3   5   8   8   8   8   8
10    8   6   3   2   4   1   3   7    9   7   7   7   9   8   9  12   13  11  10  11   9  10  12  13

11   10   3  -2  -2   3   8  10   8    7   7   6   7   8   9  10   9    7   8   7   4   4   3   2   2
12    2   1   2   7   8   7   6   5    8   8   9  12  13  11   9   8    7   5   4   4   6   8   9  12
13   19  30  46  26  -3  -7 -11  -7    6   4   2  -3 -10 -10 -10 -20  -18 -25 -29 -25 -23 -19 -16 -14
14  -16 -13  -6  -5 -13 -12  -7  -3    3   4  -2  -7  -1  -7 -33 -67  -92 -94 -94 -86 -78 -83 -77 -70
15  -70 -76 -74 -67 -64 -74 -77 -69  -63 -61 -63 -53 -50 -48 -43 -30  -38 -40 -38 -37 -40 -42 -41 -41

16  -41 -42 -38 -37 -39 -41 -39 -38  -37 -38 -38 -36 -34 -33 -30 -26  -19 -10  -1  -2  -8 -15 -21 -24
17  -27 -30 -26 -22 -20 -19 -13  -6   -8 -11 -14 -17 -15 -17 -19 -14  -14 -18 -16 -11 -14 -17 -26 -25
18  -23 -22 -21 -19 -20 -19 -13 -15  -15 -15 -16 -19 -19 -21 -20 -18  -16 -13 -13 -13 -15 -18 -18 -21
19  -23 -23 -25 -23 -19 -17 -15 -11   -9 -10 -12 -12 -11 -12 -12 -15  -15 -13 -10 -10 -13 -17 -20 -21
20  -20 -18 -18 -15 -11  -7  -6  -5   -3  -1  -1  -2  -6  -7 -11  -9  -10  -9  -7  -9 -21 -27 -26 -27

21  -26 -29 -28 -25 -23 -22 -21 -16  -12 -12 -16 -15 -13 -10 -15 -14  -15 -19 -18 -21 -23 -22 -26 -27
22  -25 -23 -25 -22 -16  -4  -4  -5   -2   0  -2  -4 -15 -16  -8   4   -5 -10 -11  -9 -19 -30 -34 -36
23  -33 -33 -30 -26 -22 -19 -15 -10   -8  -7 -10 -17 -15 -15 -15  -9  -10  -9  -2   4   0  -2 -13  -8
24  -18 -18 -18 -11  -1 -11 -26 -29  -24 -27 -20 -18 -16 -15 -15 -12  -10 -10 -12 -13 -12 -13 -14 -16
25  -17 -14 -10  -8  -9  -9 -16 -20  -22 -21 -14  -9  -9 -11 -15 -13  -13 -15 -11  -3   5   3   3  -4

26   -6 -13 -19 -14 -12 -15 -22 -26  -26 -23 -20 -21 -21 -25 -19 -19  -25 -24 -17 -14 -21 -22 -27 -28
27  -25 -26 -25 -29 -31 -38 -38 -37  -41 -38 -38 -27 -26 -25 -21 -19  -21 -30 -27 -30 -29 -29 -29 -32
28  -27 -24 -25 -28 -25 -25 -24 -27  -32 -29 -27 -24 -22 -18 -16 -17  -15 -18 -18 -17 -15 -18 -18 -16
29  -13 -14 -14 -14 -17 -18 -17 -18  -16 -16 -16 -13 -12 -12 -11  -9   -7  -8  -8  -9 -11 -11 -12 -12
30  -12 -11  -7  -7  -6  -6  -7  -7   -8 -11 -12 -11 -12 -17 -18 -16  -13 -14 -11 -11 -12  -9  -9 -11

31  -11 -12 -12 -11 -11  -8  -4  -2   -1  -2   0  -1  -6  -4  -4  -4   -2   2   3   3   4   6   3   1