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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                           DECEMBER   1980
      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  -59 -52 -55 -54 -48 -38 -36 -31  -29 -26 -26 -28 -27 -19 -20 -16  -18 -19 -18 -10  -8  -6 -10 -14
 2  -20 -16 -14 -11 -13 -12  -9  -7  -10 -14 -15 -11  -7  -7  -5  -6   -5  -2  -5  -5  -8  -9 -13 -15
 3  -10 -13 -12 -18 -18 -25 -24 -24  -30 -38 -43 -46 -36 -29 -23 -22  -19 -28 -28 -19 -24 -29 -30 -33
 4  -30 -27 -26 -33 -33 -27 -27 -31  -33 -30 -29 -25 -23 -21 -16 -16  -17 -14 -11 -15 -18 -20 -22 -25
 5  -25 -23 -23 -25 -24 -23 -23 -20  -15 -13 -12  -9  -9 -11 -13 -12  -15 -14 -14 -15 -16 -15 -15 -18

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

11   -6  -3  -4  -4  -6  -5  -8  -9  -11 -11   0   5   5   5  12   8    3  -1  10  14   0   3 -18 -21
12  -20 -22 -27 -24 -18 -18 -20 -22  -24 -22 -22 -18 -19 -16 -14 -16  -17 -13  -5  -1   1  -1   0  -9
13  -15 -15 -11 -13 -13 -14 -16 -17  -15 -14 -19 -17 -14 -14 -12 -11  -11  -8  -6  -4  -6 -10 -10  -7
14   -2  -2   0  -2  -4  -2  -2  -2   -1  -1  -8 -16 -13 -10  -6  -8  -19 -21 -19 -17 -18 -20 -17 -14
15  -13 -14 -17 -21 -26 -25 -19 -16  -17 -15 -15 -16 -18 -20 -19 -15  -14 -18 -18 -15 -14 -10  -7  -6

16   -4  -4  -6  -2   1  -4  -9  -9   -5  -4 -12 -31 -30 -30 -27 -29  -35 -38 -36 -36 -38 -39 -35 -32
17  -28 -25 -26 -29 -27 -25 -26 -26  -22 -23 -24 -25 -25 -24 -20 -17  -18 -19 -17 -16 -16 -17 -17 -15
18  -11 -12 -14 -16 -18 -22 -30 -33  -31 -28 -31 -30 -31 -31 -25 -29  -24 -27 -26 -29 -36 -35 -32 -28
19  -24 -20 -23 -20 -17  10 -10 -14   -5   3  -4  -1  12 -46-106-169 -214-214-240-230-211-208-198-183
20 -171-158-148-140-136-134-128-128 -124-114-105-104-103 -93 -86 -69  -69 -76 -73 -79 -69 -61 -54 -38

21  -31 -28 -37 -44 -47 -44 -36 -57  -53 -62 -60 -59 -60 -64 -55 -54  -55 -50 -46 -34 -44 -36 -41 -44
22  -44 -38 -37 -26 -29 -36 -39 -41  -36 -33 -38 -43 -46 -38 -36 -32  -25 -25 -23 -22 -18 -11 -10  -9
23   -6  -4  -5  -5  -5  -5 -10 -15  -19 -15 -12 -14 -21 -23 -18 -17  -17 -16 -13 -11 -10  -6  -5  -5
24   -6  -7  -8  -9  -9  -6  -6  -6   -8  -7  -6  -1  -4  -3  -2   0   -5  -1  -1   0   3   5   9  10
25    8   4   7   6   6   7  24  25   25  23  17   7   9   7   8  11   12  13  10   8   5   0  -3  -3

26    0   3  -2  -7  -7  -6  -7  -6   -5  -8 -13 -14 -13  -5   1  -4   -8  -6  -4  -3  -4  -5  -6  -4
27   -4  -1   1   2  -4 -11 -16 -12  -13 -13 -14 -26 -31 -27 -25 -25  -21 -15  -8  -7  -6 -10 -15 -16
28  -17 -18 -15 -10 -12 -11  -9  -8   -7  -7  -9  -5  -5  -5  -9 -10   -8  -4  -5 -10 -10  -7  -8 -10
29   -7  -7  -6  -6  -5  -4  -7  -9   -7  -9 -13 -12  -6  -6  -8 -10   -9   0  -1  -2  -4  -5  -6 -17
30  -18 -17 -13 -15 -19 -17 -21 -20  -24 -45 -45 -43 -38 -33 -28 -24  -27 -25 -25 -25 -27 -25 -23  -9

31   -9 -15 -23 -27 -30 -29 -26 -32  -28 -27 -27 -29 -29 -29 -22 -24  -28 -30 -33 -38 -41 -45 -44 -39