WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                           DECEMBER   2018
      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    7   7   6   5   4   4   9  13   16  16  16  19  15   8  10  11    7   3   2  -1  -5  -3   2   1
 2    1  -1  -7 -12 -15 -16  -8  -2    2   1  -1   2  -3  -4  -3  -4   -6  -8 -11 -10 -10  -7  -8  -3
 3    6   7   5  -2  -5  -7  -9  -7   -3  -3  -3  -1   0  -1  -5  -9  -15 -16 -15 -14 -10  -6  -5  -2
 4   -1  -4  -8 -13 -15 -17 -16 -16  -14  -9  -5  -2  -1   0  -1   3   -2  -7  -9  -6  -4  -1  -3  -1
 5   -2  -2  -3  -5  -6  -5  -5  -4   -3  -2  -1   1   0  -1  -4  -3   -4  -5  -5  -6  -3  -7 -11 -10

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

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

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

21    0  -3  -4  -4  -8 -10 -12 -13  -10  -8 -10 -10 -10  -8 -10  -5   -4  -5  -7  -8  -9  -9  -8  -6
22   -7  -6  -7 -10 -11  -7  -6  -4   -4  -4  -4  -5  -5  -4  -2  -2   -4  -2  -1   0   0   0   2   4
23    5   4   3   2  -1  -4  -5  -2   -1  -3  -2   0   4   7   5   0   -2  -2   0   2   3   3   3   5
24    6   6   6   3   0  -3  -2   3    5   6   7   8   8   9   5   2    1   2   6   4   4   3   2  -2
25   -3  -3  -3   0   1  -1   0   3    3   3   4   5   6   5   0  -4   -5  -3  -3   0  -1  -3  -2   1

26    6   5   3   3   1  -1   0  -1   -3  -4  -3  -2  -3  -3  -5  -4   -5  -5   0   0   1   3   5   5
27    4   4   2   3   2   0   0   0    1   3   5   3   6   9  11  13   13  17  17  17  22  24  12  10
28    2  -2 -11  -9  -6  -5  -7 -20  -16  -9 -11 -15 -10 -10 -11  -7  -10  -8 -14 -14 -14 -18 -15 -10
29  -10 -10 -12 -15 -15 -19 -21 -20  -20 -21 -21 -20 -18 -19 -21 -18  -13  -6  -2  -1  -2  -1  -4  -4
30   -4  -7  -8  -7 -11 -18 -19 -16  -10 -13 -14 -11 -11 -14 -13  -9   -6   3   5   4   4   1  -2  -2

31   -4  -5  -7  -6  -4  -5  -7  -4   -2  -8 -11 -16 -19 -17 -12  -8   -6  -4  -2  -1  -5  -5  -3  -2