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Monthly overview (Jul 1999)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��3.1��, H: 30035nT, Z: 35359nT and F: 46394nT for July 1999.

Monthly average of the K-index daily sum is 12.8. indicates a slightly low level of geomagnetic activity during the month.

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

The international 5 quietest days are the 4,5,16,17,19^th.

The international 5 most disturbed days are the 2,21,22,30,31^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	11	moderately calm				plot
2	26	disturbed	si		��	plot
3	13	moderately calm				plot
4	03	extremely calm		��		plot
5	05	calm		��		plot
6	13	moderately calm	si			plot
7	11	moderately calm				plot
8	17	moderately disturbed				plot
9	06	calm				plot
10	10	calm				plot
11	05	calm				plot
12	18	moderately disturbed	si			plot
13	08	calm				plot
14	08	calm	pi			plot
15	17	moderately disturbed				plot
16	07	calm		��		plot
17	05	calm		��		plot
18	11	moderately calm				plot
19	08	calm				plot
20	11	moderately calm				plot
21	16	moderately calm			��	plot
22	26	disturbed			��	plot
23	15	moderately calm	pi			plot
24	15	moderately calm				plot
25	16	moderately calm	pi			plot
26	13	moderately calm				plot
27	08	calm				plot
28	12	moderately calm				plot
29	11	moderately calm				plot
30	27	disturbed			��	plot
31	26	disturbed	si			plot

*) Plot diagram opens in a separate window.