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Monthly overview (Apr 1993)

The monthly mean values of the geomagnetic field components at Kakioka are D: -6��54.3��, H: 30111nT, Z: 35097nT and F: 46244nT for April 1993.

Monthly average of the K-index daily sum is 17.6. indicates a high level of geomagnetic activity during the month.

Notable geomagnetic events include 2 magnetic storms, 3 si, 4 bay, 1 sfe, 0 pi and 0 pc.

The international 5 quietest days are the 2,3,26,27,28^th.

The international 5 most disturbed days are the 4,5,13,15,21^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	12	moderately calm				plot
2	02	extremely calm		��		plot
3	01	extremely calm		��		plot
4	26	disturbed	storm		��	plot
5	35	disturbed			��	plot
6	18	moderately disturbed	sfe			plot
7	15	moderately calm				plot
8	25	disturbed				plot
9	19	moderately disturbed	si bay			plot
10	19	moderately disturbed				plot
11	13	moderately calm				plot
12	15	moderately calm				plot
13	28	disturbed	storm		��	plot
14	18	moderately disturbed				plot
15	27	disturbed			��	plot
16	15	moderately calm				plot
17	17	moderately disturbed	si			plot
18	22	moderately disturbed				plot
19	16	moderately calm				plot
20	25	disturbed	bay			plot
21	29	disturbed	bay			plot
22	25	disturbed				plot
23	15	moderately calm	si			plot
24	18	moderately disturbed				plot
25	16	moderately calm				plot
26	11	moderately calm		��		plot
27	01	extremely calm		��		plot
28	06	calm				plot
29	18	moderately disturbed				plot
30	21	moderately disturbed				plot

*) Plot diagram opens in a separate window.