リンク | データセンタートップページ , トップページ , 先月 , 来月 [更新時刻 2026-06-05 04:27UT]
(The data for this month in the wdc-like format is here.)

                                      WDC for Geomagnetism, Kyoto
                                Hourly Equatorial Dst Values (PROVISIONAL)
                                           DECEMBER   2025
      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   -4  -2  -3  -3  -3  -4  -5   1    0  -4  -4  -6  -6  -1  -4  -8  -10 -12 -13 -11  -6  -3  -2  -5
 2   -7  -6  -9  -8  -5  -3  -5  -7  -10  -6  -3  -1   2   1   2   0    0   1  -3  -4  -2  -3  -3  -3
 3    4  12  13  10   8   6   4   1   -4  -8  -3  -5 -11 -18 -24 -29  -39 -25 -40 -53 -37 -38 -57 -64
 4  -51 -46 -50 -54 -48 -51 -57 -53  -43 -41 -41 -42 -37 -38 -45 -34  -35 -38 -37 -33 -32 -24 -22 -18
 5  -19 -15 -16 -20 -23 -24 -29 -28  -30 -32 -29 -22 -22 -17 -13  -9   -5  -4  -7  -8 -13 -16 -10  -7

 6   -4  -6 -10  -6  -7 -13 -10 -15  -21 -17 -19 -19 -16 -14 -15 -15  -12  -8  -7  -3  -2   1   3   4
 7    8   9   3  -2  -4  -4  -7 -11   -9  -8  -6  -3  -8 -12  -8  -4    0   3   3   2   2   3   1  -1
 8   -2   2   2   0  -4  -5  -3   0    1  -1   0   1   4   3   1  -2   -2  -1  -1  -2  -3  -2  -2  -3
 9   -7  -7  -5  -4  -6  -6  -7  -7   -6  -2  -5  -6  -7  -5  -3   2    2   1  -3  -3  -5  -6  -4  -3
10   -5  -4  -8  -6   3   3   0  -7   -7  -4  -4  -6  -7 -10 -11 -11   -6   5   5   7  23  21 -12 -42

11  -65 -70 -78 -82 -75 -71 -67 -57  -50 -41 -34 -27 -22 -17 -16 -19  -28 -18 -25 -34 -29 -24 -23 -24
12  -28 -26 -29 -36 -43 -41 -32 -31  -39 -39 -27 -21 -23 -24 -30 -38  -46 -48 -53 -55 -54 -57 -48 -44
13  -45 -38 -32 -30 -28 -21 -20 -18  -14 -13 -11 -15 -14 -16 -19 -22  -27 -24 -27 -21 -15 -14 -16 -19
14  -18 -15 -14 -15 -17 -14  -9  -7   -7  -7  -7  -6  -7  -6  -5  -5   -5  -5  -5  -3  -1  -1  -5  -8
15   -6  -4  -3  -5  -4  -2  -1   5    5   6   5   3   1  -1   0  -3   -2   0  -1   0   4   9  10  13

16   21  20  21  24  25  21  18  16   14  11  12  10   9  10  14   8    9   5   9   6   6   9  10   8
17    9  15  11   6   7   7   5   6    6   7  11  14  15  15  20  21   15  13  13  11   2  -3  -4  -7
18  -10  -6  -7  -5  -3  -5  -9  -6   -6 -12 -14 -14  -6  -1   2  -1   -9  -9  -6  -6  -9 -10  -8  -7
19   -5   0  -2  -3  -2  -2   1   3    0  -2  -2   0   1   2   5   7    5   6   8   2  -3  -6  -7  -7
20   -3   2   6   7  10   9  10   9   10   8   9  11  12  13  11  12   13  15  16  18  16  14  21  29

21   26  19  16  19  18  19  20   9    7   7   5  10  -3  -5   2 -17  -27 -23 -14 -14 -14  -8  -5 -10
22   -9  -8  -8 -10 -13 -16 -17 -20  -17 -13  -9  -6  -6  -8 -11 -18  -14 -10 -14 -14 -22 -17 -15 -15
23  -12  -4   0  -1 -10 -13 -18 -17  -11  -9  -4  -1   0   0  -5 -11   -9 -12 -15 -12 -17 -16 -11 -17
24  -17 -12  -8  -7  -9 -14 -10  -9  -11 -14 -16 -12 -13 -15 -11 -13  -12 -10  -5  -3   0   1  -3  -6
25   -4  -4  -2  -2  -3  -8  -4   3    4   0  -4  -1  -1  -2  -2  -1   -2   2   4   5   5   3  -1  -1

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

31   21  22  20  17  17  13  10  14   21  20  14  10  10  16  14   9    6   4   2   3   6   5   5   7