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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                                MAY   1975
      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    2   4   5   8   9   8  16  21   18  13  15  12   6   6   4   2    3   3   1  -5  -1  -1   4   9
 2   12  12  14  14   4   0   5   3    2  -9 -11  -8 -11 -13 -20 -21  -20 -17 -23 -23 -21 -19 -14 -17
 3  -19 -14 -15 -21 -27 -26 -27 -28  -19 -14 -11 -12 -11 -19 -25 -19  -12 -11 -15 -17 -16 -15 -10 -11
 4  -10 -10  -5  -4  -2  -6  -9  -8   -3  -1  -7 -10 -10  -9  -8  -5   -5  -3  -6 -10 -10 -14 -22 -28
 5  -33 -32 -29 -30 -33 -27 -19 -23  -14 -15 -16 -17 -15 -11 -13 -10   -6 -10 -13 -21 -25 -20 -15 -13

 6  -20 -25 -25 -33 -45 -37 -34 -34  -36 -34 -31 -32 -34 -34 -34 -31  -26 -28 -31 -30 -27 -29 -20 -17
 7  -17 -16 -17 -16 -13 -11  -7  -8   -6  -2  -3 -17 -22 -21 -19 -24  -27 -23 -16 -17 -17 -21 -23 -17
 8  -15 -13 -11 -10 -12 -16 -14 -13  -13 -12  -7  -9  -5  -8 -11 -11   -7  -7 -13 -19 -18 -18 -22 -12
 9   -9 -10 -14 -19 -18 -18 -18 -21  -17 -14 -18 -16 -11 -14 -19 -17  -12 -13 -14 -13 -13 -13 -13 -17
10  -18 -13 -17 -31 -36 -37 -37 -31  -25 -27 -23 -25 -22 -23 -22 -23  -21 -21 -21 -23 -25 -25 -19 -14

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

16    2   5   9  25  28  21  14  -5  -16 -11  -6  -1  -4  -4  -2  -2   -9  -9 -10  -5  -8  -5 -11  -5
17   -5  -3  -4  -6  -9 -15 -14 -11  -13 -11 -11  -9  -5  -6  -5  -3   -8  -7  -4  -1   1   1  -1  -4
18   -5  -7  -9  -8  -8  -9 -11  -8   -7  -3  -4  -4  -3  -2  -3  -4   -5  -5  -5  -2   4   4   5   5
19    5   8   6   1  -4 -10 -10  -5   -8  -4  -1   1  -1  -1   2   3    3   2   3   5  15  22  25  37
20   37  44   2 -18 -17 -17 -14 -13   -9 -17 -22 -16 -18 -18 -19 -22  -22 -17 -14 -12 -10 -10  -9  -6

21   -5 -11 -14 -14 -16 -11  -8  -6   -3  -1  -1   4   2  -2  -6  -4   -4  -4  -5  -4  -8  -4  -1   0
22    1   1  -1  -3  -5  -7  -5  -5   -4  -3   0   2   3  -1   0  -2   -3  -7 -10  -6  -3  -3  -3  -2
23    2   4   2   1  -1  -8 -10  -8   -4  -3   0  -3  -5  -6  -5  -3   -5  -6  -5  -7  -5  -2   1   3
24    3   3   1   0  -1   0  -3  -5    0   1   3   1   3   3   2   1   -1  -3  -1  -2   0   5   5   3
25   -1  -4  -4   1   1   0   1   3    6   6   9  11   9   7  10  12   15   5 -10 -18 -26 -29 -27 -32

26  -32 -34 -31 -37 -33 -34 -34 -31  -22 -18 -13  -7  -4  -2  -2   2    4   8   8   4   6   7   9  11
27   10   7  10  11   5   1   9  19   22  24  27  24  13   4   3   2   -3  -8  -5  -1   0   1   5   8
28    4   3   1  -4  -4  -2  -1   1    1  -2   0   2   5   7   6   7    6   7   8   9   8   8   6   4
29    6   5   0  -3  -9  -6  -2   0    1  -2   4   7  12  15  13   6    0  -9  -5  -6  -9 -10 -10  -6
30   -2   1  -1  -5  -2  -6  -7 -10   -6  -4  -1   1   2   1  -2  -4   -5  -5  -4  -2   1   1   1   0

31   -3  -2  -3  -2  -2   2   2   4    5   6   9  12  12   8   3   1    2   1   2   5   5   6   5   3