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Monthly overview (Oct 1998)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��2.9��, H: 30025nT, Z: 35351nT and F: 46381nT for October 1998.

Monthly average of the K-index daily sum is 15.1. indicates a moderate level of geomagnetic activity during the month.

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

The international 5 quietest days are the 4,5,6,14,16^th.

The international 5 most disturbed days are the 1,2,7,19,21^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	25	disturbed			��	plot
2	25	disturbed	si		��	plot
3	18	moderately disturbed				plot
4	04	calm		��		plot
5	04	calm		��		plot
6	06	calm	si	��		plot
7	25	disturbed			��	plot
8	19	moderately disturbed				plot
9	20	moderately disturbed				plot
10	13	moderately calm				plot
11	08	calm				plot
12	09	calm				plot
13	08	calm				plot
14	02	extremely calm		��		plot
15	08	calm				plot
16	06	calm				plot
17	15	moderately calm				plot
18	17	moderately disturbed	storm sfe			plot
19	39	disturbed	si bay		��	plot
20	25	disturbed	bay			plot
21	27	disturbed	bay			plot
22	22	moderately disturbed				plot
23	20	moderately disturbed				plot
24	19	moderately disturbed				plot
25	15	moderately calm				plot
26	09	calm				plot
27	13	moderately calm				plot
28	16	moderately calm				plot
29	16	moderately calm				plot
30	08	calm				plot
31	07	calm				plot

*) Plot diagram opens in a separate window.