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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                           DECEMBER   1971
      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  -19 -19 -20 -19 -20 -20 -20 -17  -17 -19 -18 -16 -14 -17 -19 -18  -16 -19 -18 -12  -9 -18 -15 -12
 2  -10  -8  -7  -5  -3  -7 -10 -11  -13 -11 -11 -10  -7  -4  -9 -11  -12 -12 -11  -9 -11 -15 -17 -18
 3  -16 -13 -11 -12 -12 -10 -12 -17  -26 -32 -34 -26 -21 -22 -23 -23  -20 -21 -20 -21 -20 -20 -21 -19
 4  -16 -14 -11 -10 -14 -11  -8 -14  -15 -15 -16 -16 -13 -14 -14 -13  -13 -14 -11  -6  -5 -10 -13 -13
 5  -12  -7  -6  -8  -8 -10 -13 -18  -18 -20 -20 -20 -17 -15 -16 -17  -17 -18 -17 -14 -12 -12 -16 -17

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

11   -9  -8  -9  -9  -9  -8  -7  -7   -5  -3  -1   6   8   5   1  -5   -8 -14 -13 -15 -14 -12 -22 -20
12  -16 -14 -13 -11 -10  -9  -8  -9   -5  -4  -4  -1   0  -1  -3  -3  -11 -18 -22 -14 -19 -21 -28 -33
13  -34 -30 -31 -31 -27 -23 -21 -23  -25 -29 -29 -24 -24 -26 -29 -36  -36 -33 -29 -27 -32 -40 -32 -26
14  -22 -20 -19 -18 -18 -19 -19 -20  -18 -16 -13 -11 -11 -14 -14 -14  -15 -16 -16 -16 -14 -13 -14 -16
15  -18 -19 -18 -16 -14 -12 -10  -8   -8 -11  -9  -4  -2  -5 -11 -15  -15 -15 -13 -12  -9  -9 -11 -12

16  -10  -9  -9 -11 -13 -13 -11  -9   -9 -10  -9  -6  -4  -6  -8 -11  -14 -15 -16   6   3 -13 -18 -24
17  -21 -31 -34 -35 -38 -39 -41 -49  -54 -52 -44 -35 -31 -29  -4  -4  -46-107-143-158-171-163-151-136
18 -120-108 -98 -84 -89 -82 -75 -64  -70 -68 -70 -66 -76 -73 -69 -68  -69 -72 -72 -68 -61 -61 -66 -68
19  -67 -65 -64 -65 -68 -70 -70 -68  -67 -71 -68 -76 -69 -64 -64 -65  -66 -65 -66 -63 -55 -55 -56 -57
20  -57 -56 -54 -54 -54 -53 -51 -47  -45 -43 -41 -40 -40 -43 -43 -44  -45 -44 -45 -41 -39 -38 -42 -41

21  -40 -38 -37 -37 -35 -34 -31 -27  -27 -27 -29 -23 -21 -20 -23 -26  -28 -28 -25 -25 -37 -36 -39 -38
22  -36 -37 -39 -36 -33 -34 -32 -32  -28 -31 -40 -34 -33 -40 -37 -35  -42 -43 -39 -38 -36 -36 -43 -33
23  -36 -40 -38 -38 -41 -36 -34 -38  -37 -34 -32 -30 -24 -25 -31 -34  -41 -41 -42 -39 -39 -37 -37 -37
24  -34 -30 -31 -35 -35 -33 -31 -28  -26 -28 -29 -27 -22 -17 -19 -21  -23 -25 -26 -27 -26 -25 -26 -29
25  -29 -28 -31 -32 -29 -27 -23 -23  -22 -22 -20 -15 -11 -13 -18 -25  -29 -25 -27 -29 -28 -23 -21 -26

26  -34 -35 -35 -36 -36 -33 -31 -29  -26 -26 -26 -23 -17 -18 -24 -28  -31 -36 -40 -41 -41 -37 -33 -33
27  -36 -37 -36 -34 -32 -33 -32 -31  -29 -29 -30 -26 -23 -24 -27 -27  -27 -26 -26 -23 -22 -18 -17 -19
28  -21 -22 -24 -24 -25 -23 -21 -16  -13 -10  -8  -7  -5  -7 -11 -19  -25 -20 -14 -14 -16 -18 -22 -22
29  -23 -24 -24 -27 -31 -35 -36 -37  -37 -41 -39 -43 -44 -43 -40 -33  -32 -28 -20 -16  -9  -5  -6 -24
30  -42 -47 -43 -45 -41 -44 -41 -39  -36 -31 -24 -29 -31 -28 -31 -36  -40 -37 -35 -35 -34 -28 -27 -27

31  -30 -29 -28 -30 -31 -30 -25 -21  -15 -13 -15 -12 -13 -17 -19 -19  -19 -20 -22 -23 -22 -17 -17 -19