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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                           FEBRUARY   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  -20 -21 -22 -23 -28 -34 -31 -23  -27 -36 -34 -24 -23 -14  -4   0    0   0   2   6   3  -9 -13 -15
 2  -13 -24 -28 -26 -24 -22 -24 -26  -27 -24 -23 -17 -17 -10 -14 -15  -24 -26 -30 -25 -24 -20 -19 -13
 3  -18 -19 -21 -20 -20 -21 -23 -28  -34 -36 -39 -30 -26 -20 -18 -17  -18 -19 -12 -13 -11  -7  -7  -5
 4  -10 -11 -10 -10 -13 -18 -22 -20  -17 -16 -13  -9  -5  -4  -5  -7   -9 -12 -11  -9 -16 -20 -15  -9
 5   -6  -4  -4  -8 -16 -21 -24 -27  -33 -42 -51 -50 -30 -35 -27 -39  -63 -74 -66 -56 -53 -49 -42 -41

 6  -43 -39 -40 -41 -41 -38 -39 -40  -39 -26 -29 -33 -15 -13 -48 -62  -57 -68 -87-102-103-117-123-110
 7 -131-131-110-110-103 -95 -89 -88  -88 -85 -83 -77 -69 -59 -53 -51  -53 -53 -51 -48 -46 -44 -40 -36
 8  -34 -34 -35 -35 -35 -35 -35 -36  -38 -42 -40 -34 -30 -22  -8  -5   -4 -18 -18 -17 -19 -21 -33 -41
 9  -56 -59 -56 -59 -69 -76 -81 -77  -73 -69 -67 -60 -56 -57 -49 -45  -42 -42 -42 -36 -31 -30 -28 -26
10  -24 -22 -21 -23 -22 -21 -22 -25  -26 -27 -28 -28 -28 -27 -26 -28  -28 -30 -28 -23 -19 -16 -15 -16

11  -16 -13 -12 -12 -12 -11 -10 -10   -8  -7  -8  -6  -8 -13 -11  -9  -11 -15 -19 -34 -32 -24 -16 -22
12  -32 -25 -22 -23 -28 -26 -20 -17  -18 -20 -17 -16 -11  -8  -8  -8  -10 -13 -15 -15 -16 -16 -16 -15
13  -18 -19 -19 -20 -21 -18 -17 -13  -12 -10 -10  -6  -9  -8 -10 -16  -16 -15 -14 -13 -15 -11  -7  -5
14   -6  -8  -7  -8 -10  -8 -10  -9   -7  -8  -7  -3  -2   1   3   1    4   5   4   3   2   3   2   5
15    4   2   1   1   2   4   5   4    3   6   7  10  16  19  16  12   -2 -11 -23 -24 -21 -20 -25 -25

16  -29 -29 -29 -27 -27 -24 -19 -14  -10  -7  -9  -6  -3  -6  -8  -8  -13 -15 -15 -14 -13 -11  -5  -2
17    1   0  -2   2   3  -1  -4  -7   -6   0   2   1   2   2   0   3    4   0   0  -2  -4  -4  -5  -6
18   -6  -1   0   0  -1   1   4   5    2   3   5   7   8   3   3   3    4   5   8   4   3   4   7   3
19   -8  -9  -6  -4  -5  -8  -8  -3    2   4   5   6   7   4   3   4    2  -2  -2   0   1   5   8  13
20   13  10   8   7   5   7   8   8    7   7   3  -3  -3 -12 -15 -22  -26 -28 -28 -26 -26 -25 -24 -20

21  -17 -18 -18 -19 -17 -19 -16 -10   -6  -8 -11 -10  -9  -8  -3  -1   -2  -3  -2  -1   0   2   2   0
22   -1   0  -1  -1   0   2   7  11   12  15  14  15  18  18  18  16   14  17  13  15  21  10  -1 -21
23  -37 -28 -21 -21 -20 -20 -15  -8   -6  -7  -6  -2   3   6   5   4   -3  -9  -2   0   4  13  19  17
24   18  20  16  15   9  12   9   5   10  12  13  12  11   6   1 -10  -21 -33 -39 -42 -46 -44 -54 -57
25  -55 -53 -57 -57 -55 -50 -50 -48  -45 -45 -54 -45 -43 -43 -48 -52  -57 -52 -47 -43 -47 -41 -43 -51

26  -57 -49 -50 -53 -52 -50 -53 -50  -41 -32 -32 -27 -34 -37 -36 -31  -29 -35 -55 -72 -69 -65 -60 -62
27  -67 -64 -62 -65 -63 -59 -57 -57  -54 -60 -58 -52 -48 -43 -41 -40  -42 -43 -39 -40 -45 -40 -40 -41
28  -42 -46 -51 -50 -49 -45 -41 -37  -33 -34 -36 -34 -32 -29 -26 -28  -29 -29 -33 -32 -36 -36 -35 -33