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WDC for Geomagnetism, Kyoto
Hourly Equatorial Dst Values (FINAL)
DECEMBER 1987
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 1 5 3 2 1 -4 -7 -2 -2 -6 -10 -10 -8 -8 -11 -11 -10 -12 -14 -9 -6 -4 -1
2 -1 1 -2 -4 -5 -8 -7 -7 -5 -3 -2 -1 2 3 5 -4 -6 -7 -4 -1 -2 -2 3 4
3 1 -1 -5 -2 -5 -15 -15 -15 -12 -8 -7 -4 -8 -8 -11 -22 -29 -26 -23 -23 -25 -23 -26 -20
4 -15 -13 -17 -18 -19 -18 -18 -16 -13 -11 -8 -4 -2 -3 -5 -8 -17 -23 -18 -11 -12 -16 -14 -20
5 -27 -30 -24 -22 -24 -29 -32 -31 -28 -26 -18 -14 -14 -16 -9 -5 -5 -9 -15 -19 -23 -27 -28 -25
6 -22 -20 -21 -19 -20 -21 -24 -25 -23 -24 -22 -19 -15 -13 -13 -13 -10 -11 -17 -19 -21 -24 -19 -17
7 -18 -15 -15 -15 -14 -13 -17 -19 -17 -19 -18 -16 -15 -15 -12 -13 -13 -14 -16 -15 -11 -10 -10 -9
8 -10 -9 -8 -9 -11 -12 -13 -11 -11 -11 -11 -9 -8 -9 -9 -9 -10 -10 -10 -8 -7 -7 -5 -6
9 -5 -4 -1 0 2 1 -2 -4 -5 -5 -7 -3 0 4 7 13 15 12 8 16 29 24 19 12
10 7 7 11 7 4 0 -7 -11 -14 -17 -18 -10 1 3 2 -10 -9 -12 -19 -29 -37 -42 -44 -38
11 -36 -36 -33 -29 -25 -27 -31 -32 -31 -30 -29 -25 -23 -23 -21 -21 -20 -22 -24 -25 -23 -22 -17 -12
12 -10 -11 -10 -13 -16 -17 -18 -17 -18 -20 -19 -24 -30 -27 -21 -22 -24 -24 -26 -26 -26 -27 -23 -18
13 -17 -17 -17 -16 -15 -15 -14 -13 -12 -15 -16 -16 -16 -16 -18 -17 -15 -11 -10 -10 -10 -12 -12 -10
14 -5 -5 -7 -10 -13 -15 -18 -16 -14 -14 -16 -16 -15 -12 -9 -8 -8 -9 -9 -11 -14 -16 -14 -12
15 -12 -10 -7 -7 -7 -5 -1 6 12 13 10 7 8 5 2 -13 -19 -15 -16 -17 -12 -8 -7 -8
16 -14 -13 -29 -50 -48 -62 -70 -58 -50 -51 -49 -42 -43 -45 -41 -44 -58 -53 -42 -40 -44 -46 -41 -33
17 -31 -30 -32 -36 -32 -32 -33 -31 -32 -30 -34 -39 -43 -40 -32 -34 -41 -38 -34 -32 -30 -28 -27 -25
18 -22 -23 -31 -34 -30 -31 -34 -33 -28 -24 -24 -22 -18 -16 -17 -21 -25 -23 -22 -22 -20 -20 -22 -21
19 -20 -18 -19 -21 -20 -19 -18 -17 -15 -12 -15 -14 -15 -19 -19 -22 -26 -25 -23 -22 -21 -20 -19 -17
20 -16 -16 -19 -21 -22 -22 -20 -21 -21 -19 -16 -13 -12 -16 -12 -14 -19 -21 -21 -17 -16 -14 -12 -7
21 -5 -7 -10 -17 -21 -24 -23 -23 -22 -18 -16 -18 -23 -30 -32 -38 -42 -45 -46 -51 -54 -49 -49 -53
22 -57 -59 -55 -53 -54 -51 -46 -47 -42 -42 -40 -36 -29 -27 -26 -26 -24 -27 -33 -38 -37 -39 -33 -26
23 -25 -27 -29 -28 -27 -30 -32 -33 -37 -40 -41 -37 -34 -32 -29 -25 -27 -30 -28 -26 -23 -23 -23 -23
24 -21 -20 -23 -27 -27 -26 -27 -31 -36 -35 -35 -31 -29 -28 -26 -28 -31 -30 -27 -27 -28 -25 -22 -20
25 -16 -16 -15 -17 -20 -17 -19 -23 -26 -28 -30 -25 -22 -25 -28 -27 -26 -25 -23 -24 -22 -21 -20 -17
26 -17 -18 -19 -22 -20 -18 -16 -14 -12 -11 -16 -17 -17 -17 -16 -15 -16 -14 -16 -15 -13 -11 -10 -10
27 -8 -8 -9 -9 -7 -6 -5 -4 -3 -3 -3 -3 -4 -7 -8 -8 -5 -5 -5 -5 -4 -4 -4 -5
28 -7 -7 -7 -8 -8 -5 -2 -1 0 -1 0 0 0 1 4 5 6 4 2 -1 -1 0 0 0
29 -2 -2 4 6 3 6 6 4 3 8 7 6 5 3 0 -1 1 5 7 10 11 12 11 10
30 9 7 5 5 5 5 5 1 0 1 0 2 1 0 0 -3 -4 -3 -2 -2 -2 0 0 -1
31 0 0 5 3 1 -1 -4 -5 -2 3 0 -5 -6 -6 -8 -12 -15 -13 -10 -8 -12 -15 -13 -13