WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                                MAY   2017
      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   12   5   4   2  -2  -3   2   5    5   5   7   6   4   3   4   5    5   4   6   5   3   4   7   8
 2    9   6   7   7   3   6   7   9    7   8   9   5   6   9  13  13    9   8  10   8   7   6   3   3
 3    6   7   8   8   9   9   9   8    5   4   2   2   5   7   5   6    6  10   7   8   9  10  10  12
 4   14  15  13  11  11  12  11   9    9  10   7   8   6   5   8   6    6   5   9  19  20  16  17  11
 5    7   5   7  13  13   9   7   7    7   6   5   4   4   1  -1  -1    1   2   4   6  10  12  14  14

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

11   17  18  17  16  14   5   9   9   13  13  13  14  14  12  14  12   12  18  23  22  21  23  23  25
12   27  23  17  14   7   8   9  12   10  13  14  14  10   9  11   8    5   3   1   1   1   5   8   8
13    7   7   8   6   6  10  12  15   16  15  16  16  14  13  12  11   13  13  14  13  14  16  18  17
14   15  11  14  14  20  20  27  28   30  36  43  34  23  16  18  14    8   8   8  11  20  20  19  18
15   17  16  16  18  20  27  26  27   26  12   6   5  10  19  18  20   19  14  13  10   7  10  13  14

16   13   9   0  -5  -6  -2  -1   2    4   2   5   7   4   0  -1   2    4   4   5   3   1   2   3   6
17    7   6   6   5   8   7   2  -3   -5  -7  -2   3  -1  -3  -2   0    1   0   1   0   3   5   4   6
18    3   3   2  -3 -17 -28 -24 -15  -11 -10  -6  -6  -7  -5  -3   3    4   4   3   1   1   4   7   8
19    8   4   7  19  18  22  23  19    7   6   8  10   9   4   0 -10  -15 -18 -19 -23 -22 -18 -14  -7
20   -1 -10 -24 -17  -9 -11 -11 -22  -31 -23 -24 -24 -29 -39 -39 -31  -32 -30 -30 -26 -26 -24 -21 -16

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

26   -5  -2   1   3   4   5   5   3    3   5   6   4   3   3   5   4    4   3   4   5   5   4   2   1
27    2   1   1   3   2   4   4   6    7   8   8   7   6   5   6  14   28  30  36  38  42  43  15 -33
28  -58 -79 -92 -91 -89-105-118-125 -109 -97 -93 -84 -79 -73 -73 -74  -71 -66 -58 -53 -49 -42 -34 -26
29  -23 -20 -20 -21 -20 -19 -16 -14   -8  -2  -3  -5  -5 -11 -21 -33  -36 -36 -39 -37 -35 -32 -29 -26
30  -21 -10 -10 -20 -25 -23 -20 -16  -15 -15 -20 -21 -22 -21 -20 -20  -20 -19 -18 -16 -15 -18 -17 -16

31  -14 -13 -13 -13 -12 -12 -14 -14  -13 -14 -15 -16 -13 -10 -13 -10   -9  -6  -2   1   4   9  13  15