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Monthly overview (Aug 1999)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��3.6��, H: 30020nT, Z: 35365nT and F: 46388nT for August 1999.

Monthly average of the K-index daily sum is 18.2. indicates a high level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 2 si, 0 bay, 6 sfe, 2 pi and 0 pc.

The international 5 quietest days are the 2,3,10,14,21^th.

The international 5 most disturbed days are the 17,18,20,23,24^th.

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

*) Plot diagram opens in a separate window.