(The data for this month in the wdc-like format is here.)
WDC for Geomagnetism, Kyoto
Hourly Equatorial Dst Values (PROVISIONAL)
SEPTEMBER 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 10 11 16 17 17 17 16 14 14 13 11 13 10 9 10 10 8 8 9 7 8 52 42 37
2 26 0 8 14 -5 -10 -10 5 -4 -1 14 5 -5 -8 -4 3 2 -11 -29 -38 -54 -66 -78 -75
3 -67 -63 -56 -52 -50 -38 -39 -41 -37 -32 -27 -21 -20 -23 -27 -26 -26 -28 -29 -26 -21 -23 -24 -25
4 -23 -20 -25 -24 -20 -16 -18 -21 -18 -13 -10 -8 -10 -9 -10 -16 -21 -23 -26 -35 -38 -33 -30 -26
5 -26 -22 -18 -16 -11 -6 -5 -6 -6 -10 -15 -13 -5 1 3 1 0 1 1 -2 -8 -6 -8 -10
6 -14 -19 -22 -26 -20 -20 -24 -26 -19 -16 -20 -17 -25 -30 -19 -10 -16 -28 -50 -45 -36 -35 -38 -38
7 -36 -33 -32 -33 -32 -31 -31 -30 -28 -27 -26 -26 -25 -26 -26 -25 -23 -20 -17 -17 -19 -24 -23 -19
8 -19 -20 -12 -12 -17 -20 -20 -20 -18 -23 -32 -29 -21 -19 -19 -23 -26 -24 -21 -22 -15 -19 -18 -17
9 -14 -11 -3 -8 -8 -5 -5 -7 -3 -3 -5 -6 -7 -8 -7 -8 -6 -6 -9 -9 -11 -21 -29 -22
10 -23 -25 -30 -32 -26 -20 -17 -15 -14 -12 -12 -12 -9 -10 -11 -8 -7 -8 -5 -4 -2 -5 -14 -19
11 -19 -12 -16 -19 -16 -21 -30 -32 -31 -29 -27 -26 -25 -22 -20 -18 -14 -15 -11 -10 -9 -8 -10 -9
12 -4 -1 0 -1 -4 -6 -8 -8 -10 -10 -16 -14 -15 -15 -9 -6 -7 -11 -13 -14 -12 -11 -10 -10
13 -10 -5 -5 -9 -11 -14 -17 -16 -15 -14 -12 -8 -9 -12 -11 -8 -8 -9 -8 -5 0 3 5 4
14 2 5 6 3 5 7 6 9 5 2 1 1 -1 -1 3 11 19 26 26 29 22 24 20 8
15 -35 -70 -77 -70 -77 -78 -75 -71 -51 -46 -47 -39 -43 -48 -42 -38 -38 -40 -36 -43 -41 -46 -43 -42
16 -47 -35 -36 -32 -27 -26 -25 -27 -24 -25 -23 -20 -21 -24 -26 -22 -21 -22 -22 -23 -19 -22 -20 -16
17 -12 -12 -14 -14 -12 -12 -15 -22 -24 -21 -19 -17 -15 -17 -17 -15 -18 -20 -18 -20 -19 -17 -16 -12
18 -7 -5 -5 -6 -5 -3 -6 -8 -8 -10 -12 -15 -15 -11 -11 -10 -11 -12 -12 -14 -11 -8 -9 -9
19 -8 -6 -7 -7 -5 -3 -3 -4 -2 0 -1 0 2 3 4 3 1 1 3 4 7 9 7 7
20 6 7 10 7 3 -1 -2 0 0 2 3 2 0 0 2 4 4 2 3 4 6 7 8 8
21 9 9 10 13 14 14 14 13 13 13 13 14 13 10 11 10 11 10 10 7 8 10 13 17
22 17 24 18 17 12 18 24 19 19 25 29 31 16 25 28 28 18 10 1 -8 -9 -4 1 2
23 -2 -12 -15 -16 -13 -12 -16 -8 -4 -3 -6 -4 -9 -6 -5 -12 -13 -8 -6 -12 -8 -9 -11 -12
24 -12 -10 -9 -9 -4 1 2 3 2 1 0 -3 -4 -2 3 1 1 3 4 5 6 5 3 6
25 5 3 1 -2 2 7 7 5 2 -6 -5 0 1 3 4 3 -2 1 4 2 1 1 -1 -4
26 -8 -8 -6 -8 -8 -1 1 2 2 2 2 1 4 7 7 5 3 4 6 5 9 15 13 10
27 6 3 5 7 11 12 14 14 11 8 9 7 9 11 9 9 10 13 15 14 12 12 12 11
28 16 12 0 3 11 18 18 16 16 16 15 18 18 18 15 13 6 0 8 9 14 9 7 7
29 2 -2 -2 -10 -15 -13 -12 -21 -34 -53 -68 -62 -57 -53 -58 -69 -79 -82 -85 -86 -72 -65 -63 -55
30 -46 -40 -46 -37 -66 -74 -90-106 -103 -88 -80 -87 -84 -70 -64 -66 -71 -68 -78 -78 -71 -72 -72 -63