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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                               JULY   1981
      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  -36 -51 -46 -37 -31 -28 -26 -22  -21 -15 -14 -15 -16 -14 -16 -13  -12 -12 -14 -15 -12 -13 -16 -13
 2   -6  -8  -8  -8 -11 -12 -23 -23  -23 -19 -14 -14 -15 -16 -12 -13  -11 -11 -12 -12  -4 -10 -15 -14
 3  -14 -13 -12 -13 -11 -10 -11 -12  -10 -10 -10 -10 -11  -9  -5  -2    0   2   2  -4  -7 -19 -28 -28
 4  -31 -33 -33 -31 -32 -28 -24 -18  -18 -15 -15 -15 -14 -12  -7   0   -2  -2  -2  -6 -14 -22 -27 -16
 5  -11  -9  -7  -4  -7  -8  -6  -5    0   0   1  -3  -9  -3  -6  -5    0  -1  -3  -3   1   3   5   7

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

11   10   5   5  12  20  28  34  33   23  20  13   8  14  15  13  10    8   6   4   6  10   9   5   3
12    1   5   2   3   1  -5 -10  -8   -1   0   0   1  -5  -3  -1   0   -3 -15 -17 -10  -8 -11 -16 -16
13  -22 -24 -18 -11 -12 -10  -7  -4   -2  -1   1   1  -3  -3   0   2    1  -3  -2  -9  -9 -11 -11  -4
14   -4  -1  -2  -2  -1  -2  -2  -2    0   4   5   4   6   5   5   2   -2   1   1   0  -3  -5  -4  -2
15   -1   0   3   7  10   8   7   8    8   6   5   2   5   7   8  10   10  10   8   4   0  -1  -1  -3

16   -4  -4  -2   0   6  12  10  10   13   9   2   3   9  14  14   9    5   4   4   5   5   5   5   3
17    3   9  11   9   7   9  10  11   14   0  -2 -14 -13 -16 -10  -8   -9  -9 -12 -31 -51 -64 -46 -55
18  -66 -67 -62 -56 -51 -46 -43 -37  -36 -34 -26 -29 -30 -32 -29 -25  -25 -26 -22 -22 -22 -30 -31 -30
19  -31 -34 -33 -29 -24 -19 -15 -12   -7  -6  -6  -7  -8  -7 -10 -10   -4  -5  -5  -9 -15 -16 -15 -10
20  -10 -10  -8  -1   4  -3   0   3    4   6  11  20  16   7   7   8   10  13  11   5  -2  -4  -3   1

21    6   6  10  16  14  11  10  11    8  10  13   9   5   4   7   9   11   9  11  13  15  14   7   9
22    9   2  -3 -10 -17  -9  -3  -1    0  -2  -9 -14 -11  -5  -8  -7   -6  -2   2  -3  -8 -10 -12 -10
23  -13 -13 -14 -18 -18 -18 -16 -11   -5   4   0 -12 -68 -77 -84 -82  -82 -86 -89 -87 -86 -76 -68 -64
24  -65 -67 -63 -57 -53 -52 -50 -44  -36 -32 -32 -27 -22 -21 -23 -25  -19 -15 -15 -15 -16 -17 -35 -43
25  -41 -38 -31 -30 -32 -29 -56 -64  -53 -42 -45 -28 -33 -44-120-179 -179-168-189-207-226-195-173-162

26 -194-189-197-193-176-175-167-144 -126-101 -96-101 -88-105-105-103  -97-101 -91 -83 -78 -78 -76 -76
27  -87 -92 -89 -82 -88 -96 -94 -90  -99 -94 -82 -84 -83 -80 -74 -72  -71 -71 -73 -70 -70 -65 -60 -59
28  -58 -58 -53 -49 -48 -49 -54 -57  -53 -49 -46 -52 -58 -57 -50 -52  -51 -49 -45 -42 -40 -44 -45 -46
29  -50 -51 -49 -41 -38 -39 -38 -34  -30 -31 -33 -30 -29 -34 -36 -38  -37 -36 -34 -34 -36 -38 -38 -37
30  -36 -32 -28 -27 -27 -27 -26 -29  -35 -38 -37 -29 -33 -33 -31 -32  -30 -26 -28 -27 -28 -29 -31 -30

31  -32 -34 -33 -32 -36 -34 -31 -29  -27 -24 -27 -28 -29 -28 -24 -27  -25 -26 -24 -24 -30 -45 -48 -44