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(The monthly data in the wdc-like format is here.)

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (FINAL)      
                                                MAY   2005
      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   -8 -18 -24 -26 -26 -30 -33 -32  -31 -35 -32 -32 -28 -26 -28 -30  -30 -28 -23 -23 -23 -21 -18 -16
 2  -16 -17 -15 -17 -17 -16 -11  -9   -8 -10 -12 -11 -10 -11  -9  -6  -11  -9  -9 -10  -9  -6  -5  -7
 3   -7  -8  -6  -9 -13  -9 -11 -11  -11 -12 -18 -23 -19 -16 -18 -19  -22 -26 -24 -21 -20 -17 -14 -12
 4  -13 -18 -19 -16 -18 -17 -16 -14  -11  -9 -10 -11 -13 -15 -16 -15  -15 -16 -15 -12 -10  -7  -6  -6
 5   -8 -10  -8  -8 -10  -8  -8  -8   -8  -7  -2   0   0   1   1  -1    4   3   5   8  10   7  10  13

 6   13  11   6   5   5   6   8   8    9   9   9   9   8  17  17  20   19  19  17  20  21  17  17  13
 7   10  13  12  11   9  10  11  11   10  10   7   5   3   8   7   5    5   8  15  25  13   6  -2 -19
 8  -31 -68 -82 -82 -81 -76 -80 -81  -65 -56 -40 -33 -48 -62 -85 -83  -98-105-110-106-104 -94 -81 -70
 9  -64 -61 -64 -60 -56 -51 -53 -53  -51 -47 -43 -41 -39 -37 -39 -41  -43 -44 -44 -42 -43 -44 -52 -49
10  -49 -52 -52 -55 -55 -54 -52 -51  -44 -39 -39 -38 -39 -33 -31 -32  -32 -32 -31 -29 -34 -38 -34 -31

11  -27 -24 -17 -16 -17 -18 -17 -22  -28 -31 -34 -32 -26 -23 -21 -26  -28 -25 -26 -23 -19 -23 -22 -23
12  -22 -23 -20 -24 -32 -27 -22 -23  -31 -30 -27 -23 -20 -17 -15 -20  -23 -23 -20 -23 -21 -24 -20 -12
13  -21 -23 -32 -32 -38 -37 -42 -41  -38 -38 -38 -33 -30 -21 -23 -24  -27 -26 -25 -26 -24 -27 -23 -22
14  -20 -18 -16 -17 -17 -17 -18 -18  -16 -16 -20 -19 -19 -19 -20 -21  -21 -20 -23 -28 -26 -19 -14 -11
15  -14 -12  11  52  42  37 -58-229 -247-222-184-175-162-157-146-135 -118-100-105-115-120-108 -94-102

16  -99-101 -99 -99 -97 -91 -97 -87  -87 -88 -86 -88 -85 -83 -81 -82  -78 -74 -70 -71 -74 -77 -76 -71
17  -66 -65 -67 -68 -74 -80 -76 -72  -69 -65 -64 -63 -65 -66 -64 -59  -63 -69 -72 -70 -64 -63 -61 -58
18  -59 -63 -64 -64 -62 -59 -55 -53  -53 -49 -49 -49 -50 -49 -48 -46  -49 -48 -49 -49 -49 -45 -41 -39
19  -39 -40 -36 -32 -26 -29 -31 -30  -32 -34 -39 -43 -37 -28 -25 -26  -30 -31 -31 -29 -21 -16 -10 -11
20  -12 -12 -10  -3   8 -18 -54 -74  -83 -81 -72 -63 -65 -63 -49 -39  -36 -36 -34 -38 -41 -39 -43 -49

21  -47 -41 -36 -44 -51 -61 -63 -59  -57 -58 -56 -56 -55 -49 -48 -50  -48 -52 -56 -56 -48 -44 -38 -34
22  -36 -38 -33 -35 -35 -38 -38 -37  -39 -41 -40 -38 -34 -30 -28 -28  -29 -28 -28 -29 -31 -29 -27 -25
23  -22 -18 -18 -18 -18 -19 -18 -18  -17 -16 -16 -13 -11 -13 -22 -27  -27 -23 -21 -22 -25 -24 -24 -21
24  -16 -11  -9 -11 -11 -11 -10  -9   -9  -7  -7  -7  -6  -4  -5  -7   -7 -10 -11  -7  -6  -6  -6  -5
25   -6  -4  -3  -2  -1  -2  -4  -6   -4  -2  -2  -3  -5  -5  -4  -5   -4  -7  -7  -7  -7  -7  -7  -7

26   -7  -6  -3  -2  -1  -1   0  -2   -2  -2  -3  -2  -2  -1   1   4    3   3   1  -2   0   1   2   1
27   -1  -1   0   1   3   3   3   2    1  -1  -3  -3  -2   1   2   1    2   6   7   5   4   3   3   1
28    1   2   4   4  11  23  29  39   36  28  24  26  21  21  17  15    1 -11 -20 -30 -33 -33 -24 -21
29  -25 -25 -23 -21 -21 -30 -27 -26  -32 -24 -11 -10  -9  -4   4  10    7   4   4  -3   0  19  23 -26
30  -42 -37 -30 -29 -31 -22 -18 -36  -60 -78 -94-107-111-113-105 -91  -86 -96-102-108 -99 -95 -85 -76

31  -72 -73 -78 -77 -71 -61 -59 -51  -42 -38 -35 -24 -27 -39 -33 -31  -26 -32 -32 -30 -25 -19 -22 -27