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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (REAL-TIME)  
                                           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    5   8   9   7   8   9  14  16   18  17  16  19  14   7  11  12    7   3   4   0  -5  -4  -1  -1
 2   -1   0  -4 -10 -11 -11  -4   1    4   2  -1   1  -4  -5  -2  -4   -5  -8 -10  -9  -9  -8 -11  -6
 3    4   8   8   0  -1  -2  -4  -4   -1  -2  -4  -2  -1  -2  -3  -8  -14 -16 -14 -13  -9  -7  -8  -4
 4   -3  -3  -6 -12 -11 -12 -11 -13  -13  -8  -6  -3  -2  -1   1   3   -1  -7  -8  -5  -3  -2  -6  -4
 5   -4  -1  -1  -3  -2   0   0  -1   -1  -1  -1   1  -1  -2  -3  -3   -3  -5  -3  -5  -3  -8 -14 -13

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

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

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

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

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

31   -6  -4  -4  -4   0  -1  -2  -1    0  -7 -12 -17 -20 -19 -11  -8   -6  -4   0  -1  -4  -6  -6  -5