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Monthly overview (Jan 1998)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��1.6��, H: 30059nT, Z: 35321nT and F: 46381nT for January 1998.

Monthly average of the K-index daily sum is 12.1. indicates a slightly low level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 0 si, 5 bay, 0 sfe, 6 pi and 0 pc.

The international 5 quietest days are the 4,15,23,26,28^th.

The international 5 most disturbed days are the 6,7,20,30,31^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	09	calm				plot
2	07	calm	pi			plot
3	06	calm				plot
4	07	calm		��		plot
5	08	calm				plot
6	19	moderately disturbed	storm bay		��	plot
7	21	moderately disturbed			��	plot
8	18	moderately disturbed	pi			plot
9	17	moderately disturbed	bay			plot
10	12	moderately calm				plot
11	09	calm	pi			plot
12	10	calm				plot
13	08	calm	bay			plot
14	04	calm				plot
15	01	extremely calm		��		plot
16	12	moderately calm				plot
17	13	moderately calm	pi			plot
18	16	moderately calm				plot
19	10	calm				plot
20	19	moderately disturbed			��	plot
21	14	moderately calm				plot
22	12	moderately calm				plot
23	06	calm		��		plot
24	14	moderately calm				plot
25	17	moderately disturbed	bay			plot
26	09	calm		��		plot
27	15	moderately calm	pi			plot
28	07	calm				plot
29	14	moderately calm	bay			plot
30	25	disturbed			��	plot
31	17	moderately disturbed				plot

*) Plot diagram opens in a separate window.