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                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                           DECEMBER   2015
      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   -9  -7  -9  -7  -8  -7  -5  -4    4   7   2 -11 -21 -20 -14 -13  -13 -13 -14 -19 -28 -26 -18 -16
 2  -20 -21 -18 -18 -16 -16 -15 -17  -13 -12 -16 -19 -18 -15 -11  -7   -7  -7  -8 -10 -15 -13  -9  -8
 3   -9 -13 -11 -11  -8  -8  -6  -4   -4  -3  -2  -3  -1  -2  -3  -2    0   1   0   1   2   0   0  -1
 4    1  -1   0  -2  -4  -3  -1  -2   -2  -2  -1   1   0   2   3   3    3   3   4   3   1   2   2   1
 5   -1  -3  -3   0   4   5   9  11    2  -6  -2   3   3   2  -2  -4   -7 -11  -7  -7 -13 -14 -10  -6

 6   -4  -3  -4  -7 -11 -14 -14 -16  -18 -17 -12 -18 -21 -28 -20 -16  -13 -11 -13 -15 -21 -16 -12 -14
 7  -13 -12 -12 -11 -11 -11  -7  -6   -8  -8 -14 -15 -11  -6 -11  -9   -8  -9 -10 -13 -12  -9  -6  -5
 8  -10 -12 -12 -11 -12 -16 -17 -14  -11 -12 -12 -16 -13 -10 -10  -8   -2  -2  -4  -5  -4  -2  -2   1
 9    0   1  -3  -5  -5  -4  -1   2    5   6   5   3   2   3  -1  -6   -4  -1   2  -2  -5   0   5   9
10    5  -1  -1  -2  -8  -4  -6 -11  -10 -15 -11  -8  -9 -13 -10  -6   -6  -1  -5  -7  -1   1   1   0

11    1   2   2  -2  -5  -9 -12 -14   -9 -12 -10 -10  -6  -1  -7  -6    0  -5  -6  -5  -8  -8  -9  -3
12   -2  -5 -11 -15 -12 -11 -10  -9   -5  -7  -8  -9  -6  -5  -4  -8   -5  -6  -5  -6  -4  -2   0   0
13   -1  -2  -2  -3  -3  -1  -3  -7   -7  -4  -2  -1  -3  -2   2   2    5   6   6   4   2   4   3   2
14    0  -3  -3  -3   0   1   1   0   -1  -1  -3  -2   3  11  16  26   12 -21 -32 -47 -35 -38 -45 -35
15  -30 -37 -35 -38 -32 -31 -29 -31  -30 -30 -28 -29 -25 -22 -20 -18  -19 -16 -11 -10 -16 -16 -12 -11

16  -13 -25 -27 -23 -16 -14 -16 -16  -15 -14 -17 -17 -15 -14 -14 -11   -8  -8  -8  -7  -8  -7  -1   0
17   -1  -3  -4  -1   4   8  11   8    7   4   0  -5  -6  -8 -10 -13  -12 -11 -12 -14 -18 -14  -7  -9
18  -11 -12  -9  -7  -6  -6  -5  -3   -4  -3  -2  -3  -4  -3  -4  -3    2   1  -2  -4  -4  -5  -8  -5
19   -2  -4  -7  -9  -7  -5  -6  -6   -1  -2  -2   1   3   5   1   0   16  19  39  36  31  41  43  40
20   30  20  10  20   6 -16 -28 -47  -61 -71 -70 -65 -48 -60 -74 -86  -84-108-118-109-120-133-155-151

21 -138-148-142-132-128-116-109-115 -119-117-108 -92 -88 -78 -73 -73  -66 -59 -53 -53 -53 -38 -32 -25
22  -26 -32 -36 -35 -32 -36 -34 -36  -34 -32 -29 -34 -40 -38 -34 -30  -27 -25 -24 -30 -33 -30 -30 -28
23  -27 -28 -25 -21 -22 -20 -19 -20  -16 -17 -15 -14  -9 -10 -20 -21  -16 -16 -17 -18 -21 -15 -13  -7
24   -9 -11 -10 -12 -14 -15 -12 -11  -11  -8  -4  -6  -8   0  -4  -5   -3  -3  -4  -8  -4  -3  -5  -7
25   -7  -6  -7 -10  -9  -8  -8  -8   -7  -6  -4  -3  -7  -4  -1  -4   -4   3   5   3  -1  -3  -1   2

26   -2  -2  -2  -3  -1   2   1  -3   -3  -2   1   1   1   1  -8 -11   -7  -2   0   1  -1  -5  -7  -8
27  -10  -6  -8 -10  -7  -8 -15 -21  -22 -25 -17 -19 -14 -11  -2  -1    0  -1   1   5   9  10  10   9
28    2   3   5   9   9   7   3   2    4   3   2   0  -3  -2  -2  -2   -4  -1   2   4   4   6   9  10
29    9  10   7   3   1  -1   0   1    1   0   0   1   5   4   6  10   10   6   2  -2  -3   1  -1  -1
30    1   0   1   4   6   8   8   6    5   5   6   8  10   8   9   7    6   5   4   2   1   3   3   4

31    8  21  20  17  10  13  12  11    8   7   4  11  -4 -31 -44 -48  -40 -35 -28 -43 -53 -66 -83 -93