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Monthly overview (Jul 1998)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��2.6��, H: 30047nT, Z: 35338nT and F: 46386nT for July 1998.

Monthly average of the K-index daily sum is 15. indicates a moderate level of geomagnetic activity during the month.

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

The international 5 quietest days are the 8,14,15,20,27^th.

The international 5 most disturbed days are the 6,16,23,24,31^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	13	moderately calm				plot
2	19	moderately disturbed				plot
3	18	moderately disturbed				plot
4	17	moderately disturbed				plot
5	19	moderately disturbed	pi			plot
6	24	disturbed			��	plot
7	10	calm				plot
8	08	calm		��		plot
9	17	moderately disturbed				plot
10	09	calm				plot
11	18	moderately disturbed				plot
12	14	moderately calm				plot
13	11	moderately calm	pi			plot
14	04	calm		��		plot
15	07	calm	storm	��		plot
16	31	disturbed			��	plot
17	13	moderately calm				plot
18	06	calm				plot
19	08	calm				plot
20	06	calm		��		plot
21	16	moderately calm	si pi			plot
22	15	moderately calm				plot
23	28	disturbed	pi		��	plot
24	23	disturbed	bay		��	plot
25	16	moderately calm				plot
26	09	calm				plot
27	07	calm				plot
28	11	moderately calm	sfe			plot
29	17	moderately disturbed				plot
30	17	moderately disturbed	storm			plot
31	34	disturbed				plot

*) Plot diagram opens in a separate window.