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Monthly overview (Apr 2003)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.1′°, H: 29983nT, Z: 35378nT and F: 46374nT for April 2003.

Monthly average of the K-index daily sum is 20.7. indicates an extremely high level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 2 si, 10 bay, 1 sfe, 10 pi and 0 pc.

The international 5 quietest days are the 6,7,12,13,19^th.

The international 5 most disturbed days are the 4,5,16,25,30^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	20	moderately disturbed			plot
2	24	disturbed			plot
3	20	moderately disturbed			plot
4	23	disturbed		○	plot
5	26	disturbed		○	plot
6	12	moderately calm	○		plot
7	09	calm	○		plot
8	29	disturbed			plot
9	24	disturbed			plot
10	26	disturbed			plot
11	18	moderately disturbed			plot
12	13	moderately calm	○		plot
13	13	moderately calm	○		plot
14	23	disturbed			plot
15	22	moderately disturbed			plot
16	27	disturbed		○	plot
17	25	disturbed			plot
18	21	moderately disturbed			plot
19	14	moderately calm	○		plot
20	19	moderately disturbed			plot
21	24	disturbed			plot
22	22	moderately disturbed			plot
23	19	moderately disturbed			plot
24	22	moderately disturbed			plot
25	24	disturbed		○	plot
26	18	moderately disturbed			plot
27	21	moderately disturbed			plot
28	17	moderately disturbed			plot
29	19	moderately disturbed			plot
30	28	disturbed		○	plot

*) Plot diagram opens in a separate window.