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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                                MAY   1973
      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  -35 -29 -26 -22 -23 -21 -21 -21  -18 -14 -15 -17 -20 -22 -21 -19  -17 -13  -7 -16 -23 -32 -41 -41
 2  -35 -32 -28 -29 -31 -27 -24 -23  -20 -19 -19 -20 -22 -19 -16 -16  -15 -10 -13  -9  -6   0  -2  -7
 3   -9 -13  -9 -14 -14  -9  -8 -11  -13 -16 -16 -12 -13 -15 -14 -16  -18 -19 -18 -18 -17 -18 -20 -24
 4  -23 -17 -20 -15 -11 -11 -13 -17  -17 -20 -20 -21 -18 -15 -17 -19  -18 -18 -18 -20 -22 -20 -24 -24
 5  -25 -25 -26 -26 -22 -19 -19 -21  -20 -18 -18 -19 -19 -16 -15 -14  -14 -11 -10 -12 -13  -9  -9 -10

 6   -9  -8  -7  -4  -1   2   5   7   12  15  12  10  11  18  26  30   34  33  19  19  20   6   9   2
 7    6   5   3   1  -3 -10 -12  -8   -7  -4  -4  -3  -2  -1  -3  -6   -4  -2  -7  -7  -9 -10 -10 -10
 8  -10  -8  -2   3   4  -3  -9  -4   -4  -8 -12 -12 -10  -6  -6 -10   -9  -9  -8 -10 -12  -9  -7  -8
 9   -7  -8  -5  -4  -3  -4  -2  -2   -8 -15 -17 -16 -13 -11 -15 -17  -17 -15 -13  -8  -7  -6  -9  -8
10   -7  -8 -10  -8  -7  -5  -3  -2   -4  -4  -1  -1   2   0  -3  -5   -3  -5   1   3   6   6   4   1

11  -10 -10  -4  -4  -4  -1  -2  -6   -9 -10  -7  -5  -3  -2  -2  -3   -1   1  -1  -4  -6  -3  -6  -9
12  -10  -9  -4  -2   1   2   5   7    2   7   8   3  -4  -4  -1   1    0  -1  -3  -5  -5  -8 -12 -14
13  -16 -20 -12  -9  -2   1  -2  -9  -13 -28 -23 -14 -10 -10 -11 -11   -9   0   6  16  13 -12 -23 -36
14  -48 -82 -95 -97 -83 -78 -86 -76  -82 -83 -73 -77 -77 -70 -71 -67  -62 -60 -57 -62 -57 -60 -56 -46
15  -43 -44 -50 -44 -45 -46 -36 -34  -44 -50 -46 -43 -43 -37 -35 -38  -41 -43 -42 -43 -41 -45 -42 -39

16  -39 -41 -39 -41 -36 -35 -38 -37  -33 -33 -30 -26 -27 -28 -28 -26  -26 -24 -24 -27 -27 -27 -39 -36
17  -47 -47 -42 -43 -37 -39 -37 -33  -30 -32 -33 -31 -30 -31 -32 -35  -30 -28 -32 -30 -27 -25 -28 -34
18  -37 -27 -22 -17 -21 -26 -27 -27  -25 -29 -30 -31 -28 -31 -28 -26  -25 -24 -22 -23 -25 -27 -31 -29
19  -32 -29 -21 -20 -19 -18 -21 -20  -15 -16 -15 -23 -22 -23 -25 -23  -26 -28 -24 -24 -23 -22 -20 -24
20  -27 -29 -26 -22 -19 -14 -15 -20  -17 -15 -13 -13 -17 -20 -18 -20  -21 -21 -22 -26 -24 -26 -28 -25

21  -28 -29 -23  -5 -22 -22 -29 -66  -98-100 -96 -77 -58 -60 -74 -78  -78 -71 -65 -60 -58 -58 -56 -58
22  -54 -56 -61 -60 -50 -52 -51 -51  -53 -50 -41 -35 -30 -27 -28 -29  -30 -24 -23 -21 -19 -23 -21 -23
23  -21 -24 -27 -29 -32 -31 -29 -37  -37 -37 -39 -38 -37 -31 -28 -28  -30 -31 -31 -32 -32 -28 -25 -26
24  -26 -28 -26 -22 -21 -20 -22 -22  -22 -21 -21 -21 -22 -20 -18 -20  -19 -16 -13 -15 -15 -16 -13 -12
25  -10  -8  -6  -7  -7  -8  -9  -7   -7 -10  -8  -5  -5  -8  -6  -4   -7 -11  -8  -6  -1   4   4  -2

26   -5  -7 -14 -12 -11  -9 -14 -19  -18 -14 -11 -13 -14 -12 -12 -13  -11  -9  -7  -7  -6  -4  -2  -3
27   -5  -9 -10 -11 -10  -7  -4  -4   -4  -6  -8  -7  -3  -1   5   5    2   1   1  -6  -2   2  -4   0
28    0  -5  -1  -2  -8  -7  -7  -6   -6  -4  -6 -11 -12 -12 -10  -8   -8  -8 -10 -10  -6  -6  -4  -1
29    1  -1  -2  -1   0  -1   0   1    1   0  -2  -3  -3  -3  -3  -3   -1   3   1   1   2   3   3   4
30    6   9   8   8   6   5   2   1    3   5   9  10  10   9  10  10    8   8   8   8   9  11  11  12

31   11  10  10  11  11  12  12  13   12   8   7   7   8  10   7   8    7   4   2   0  -1  -2  -3  -3