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Monthly overview (Fab 2004)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.1′°, H: 29987nT, Z: 35374nT and F: 46374nT for February 2004.

Monthly average of the K-index daily sum is 16.2. indicates a slightly high level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 0 si, 2 bay, 1 sfe, 4 pi and 0 pc.

The international 5 quietest days are the 8,10,17,20,26^th.

The international 5 most disturbed days are the 11,12,13,15,29^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	16	moderately calm	pi			plot
2	23	disturbed				plot
3	24	disturbed				plot
4	20	moderately disturbed				plot
5	17	moderately disturbed				plot
6	23	disturbed	pi			plot
7	12	moderately calm	pi			plot
8	09	calm		○		plot
9	13	moderately calm				plot
10	10	calm		○		plot
11	25	disturbed	storm bay		○	plot
12	28	disturbed			○	plot
13	23	disturbed			○	plot
14	21	moderately disturbed				plot
15	22	moderately disturbed			○	plot
16	08	calm				plot
17	03	extremely calm		○		plot
18	11	moderately calm				plot
19	11	moderately calm				plot
20	08	calm		○		plot
21	13	moderately calm				plot
22	17	moderately disturbed				plot
23	14	moderately calm	pi			plot
24	18	moderately disturbed				plot
25	09	calm				plot
26	08	calm	sfe	○		plot
27	18	moderately disturbed				plot
28	22	moderately disturbed				plot
29	24	disturbed	bay		○	plot

*) Plot diagram opens in a separate window.