WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                           DECEMBER   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   -2   0  -2  -3  -8  -8  -6  -2   -2  -5  -5  -7  -5  -4  -5  -1   -2  -3  -7  -6  -3   1   0  -1
 2   -2  -2  -3  -2  -1   1   2   3    5   6   4   4   4   3   0  -4   -2   0   1   1   0  -3  -2  -3
 3   -2  -4  -7 -10 -12 -12 -11  -8   -4  -3  -5  -6  -6  -4  -3  -1    0   0   0   1   2   1   0   1
 4    4   5   6   7   9  10   8   4    1   0   3   2  -2   0   7  13   21   4 -21 -38 -44 -45 -38 -28
 5  -27 -28 -31 -33 -32 -26 -22 -24  -28 -30 -31 -30 -28 -19 -20 -19  -26 -27 -21 -26 -22 -27 -34 -31

 6  -29 -26 -22 -20 -19 -24 -24 -26  -24 -24 -27 -28 -28 -23 -20 -20  -23 -21 -23 -21 -20 -19 -16 -17
 7  -17 -14 -11 -11 -11 -14 -14 -13  -11 -10 -12  -8 -10 -12 -15 -21  -17 -16 -16 -17 -20 -20 -20 -20
 8  -19 -17 -14 -13 -13 -16 -14 -11  -10 -10  -8  -7  -5  -5  -6  -6   -7  -8  -7  -6  -6  -7  -7  -7
 9  -10 -12 -13 -12 -12  -8  -5  -4   -3  -2  -5  -5  -4  -3  -3  -3   -5  -4  -4  -3  -2  -2  -1   1
10    2   4   5   3   3   3   2   2    2   3   3   4   4   3   0  -2   -6  -7  -9 -10  -9  -6  -5  -6

11   -7  -7  -5  -1   8  10  11   5    1  -4  -8  -8  -4  -6  -3  -7   -5  -6  -7  -5   4   7   8   6
12   -3  -7  -8  -8 -14 -18 -22 -20  -16 -14 -12  -9  -7  -7  -5  -3   -4  -5 -22 -28 -24 -23 -18 -15
13  -13  -9  -7  -8  -8  -6  -7  -9   -9  -7  -6  -5  -7  -9  -8  -7   -8  -4  -8  -9  -8 -10  -8  -7
14   -5  -4  -7  -6  -5  -6  -7  -6   -4  -5  -5  -7  -4  -2  -3  -3   -4  -4  -2  -3  -1   1   2   1
15    3   4   3   3   2   1   1   3    2   2   1   3   5   4   5   3    4   5   7   9   6   5   8   6

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

21   -4  -4  -4  -4  -3  -4  -5  -6   -7  -5  -4  -4  -5  -5  -5  -3   -4  -3  -1  -2  -2  -1  -2  -2
22   -3  -2  -1  -1  -2  -1   1   3    5   6   5   4   4   5   6   8    7   7   7   7   8   8   7   7
23    7   7   8   7   7   5   5   5    1  -1  -1  -1  -6  -3  -2  -3   -3  -1   1   3   7   9  10  11
24   12  12  12  14  18  20  22  17   13  13  10  -9 -17  -9  -9  -8   -8  -4  -2  -5 -10 -15 -14 -14
25   -7  -4  -4  -7  -8  -8 -10  -9   -8  -4  -1  -1   1   2   0  -3  -12 -20 -25 -22 -20 -22 -24 -27

26  -27 -23 -19 -15 -16 -17 -16 -14  -12 -10 -10  -9  -4  -3  -5  -3    1  -1  -1  -8 -12 -10 -11  -9
27   -9 -10  -6  -7 -10 -11  -6  -1    4  -1  -6  -6  -5  -3   0   3    3   5   0  -4  -4  -5  -5  -3
28   -1  -1  -3  -3  -4  -5  -5  -5   -5  -5  -5  -6  -4  -2   0  -2   -4  -6  -7  -8  -8  -3  -6  -3
29    0   1   0  -2  -3  -5  -6  -5   -3  -1   1   3   4   2  -1   3    5   3   0   0   6   8   8   9
30   10   7   5   4   5   6   7   6    8   7   6   4   1   2   3   0   -4  -5  -6  -7  -5  -1   2   3

31    5   6   6   4   1   1   3   5    7   7   8   9   8   8   6   7    7   8  13  17  15   8   1  -2