(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