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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                              APRIL   2010
      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   -3 -20 -16 -12  -9 -11  -8  -4   -4  -6 -11 -19 -23 -24 -20 -21  -23 -21 -19 -18 -19 -22 -24 -21
 2  -22 -23 -24 -25 -29 -30 -30 -16  -15 -15 -25 -24 -20 -13 -10 -12   -8  -8  -8  -9 -22 -32 -33 -28
 3  -23 -17 -14 -13 -12  -9 -10  -9  -13 -11 -10 -10 -11 -10  -6 -10  -16 -14 -19 -19 -16 -16 -15 -17
 4  -17 -16 -11 -12 -12 -14 -19 -21  -19 -18 -19 -22 -24 -21 -17 -16  -17 -15 -19 -21 -21 -16 -19 -25
 5  -27 -22 -19 -18 -18 -19 -20 -19   -7 -20 -41 -36 -16 -29 -43 -55  -51 -46 -37 -46 -44 -44 -50 -61

 6  -64 -54 -63 -68 -59 -65 -71 -76  -75 -70 -68 -70 -75 -79 -81 -74  -67 -64 -69 -68 -72 -70 -72 -68
 7  -65 -57 -48 -43 -41 -42 -49 -53  -46 -42 -40 -35 -43 -42 -43 -50  -54 -54 -46 -47 -48 -50 -46 -44
 8  -37 -37 -37 -37 -35 -34 -33 -33  -34 -34 -30 -31 -30 -28 -28 -30  -30 -30 -29 -29 -33 -37 -43 -41
 9  -41 -37 -32 -33 -35 -36 -37 -36  -34 -32 -32 -33 -32 -30 -29 -28  -29 -30 -29 -30 -31 -31 -31 -28
10  -25 -22 -21 -22 -21 -21 -21 -20  -19 -17 -18 -19 -20 -20 -19 -20  -20 -21 -23 -23 -22 -20 -21 -20

11  -19 -18 -15 -11 -11 -13 -13 -13  -17 -17 -16 -17 -19  -7  -7  -7  -14 -22 -36 -46 -47 -47 -46 -51
12  -61 -67 -58 -43 -41 -44 -54 -44  -40 -35 -31 -31 -30 -31 -30 -25   -9  -6 -13 -21 -28 -28 -30 -32
13  -28 -26 -25 -26 -26 -26 -28 -28  -27 -24 -22 -20 -22 -22 -23 -24  -24 -23 -21 -21 -23 -26 -27 -24
14  -19 -18 -19 -21 -23 -21 -21 -20  -18 -18 -16 -16 -14 -12  -7  -1    1   5   6   4   2  -7 -20 -36
15  -30 -22 -23 -30 -35 -34 -32 -29  -28 -28 -28 -25 -25 -27 -29 -28  -26 -22 -18 -16 -13 -15 -17 -16

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

21  -13 -11 -11 -13 -12 -14 -14 -11  -11 -11 -11  -9 -10  -8  -9 -12   -8  -7  -5  -3  -4  -3  -2  -1
22   -1  -1  -4  -5  -6 -10 -10 -14  -14 -13 -12  -7  -6  -7  -8 -10   -5  -1  -3  -3  -1   2   3   0
23   -6 -22 -33 -31 -23 -26 -23 -22  -20 -18 -17 -13 -10 -11 -15 -15  -16 -15 -14 -13 -17 -19 -18 -26
24  -31 -31 -25 -22 -23 -23 -21 -18  -17 -15 -15 -20 -24 -23 -24 -24  -22 -22 -21 -19 -16 -16 -13 -10
25  -10 -13 -13 -10  -8  -9  -9  -9  -10  -9  -9 -10  -7  -6  -6  -6   -7  -8  -7  -7  -5  -3  -5  -6

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