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Monthly overview (Sep 2005)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��4.4��, H: 29963nT, Z: 35386nT and F: 46368nT for September 2005.

Monthly average of the K-index daily sum is 18.5. indicates an extremely high level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 4 si, 15 bay, 6 sfe, 9 pi and 1 pc.

The international 5 quietest days are the 8,20,21,24,25^th.

The international 5 most disturbed days are the 2,11,12,13,15^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	19	moderately disturbed				plot
2	28	disturbed	si bay		��	plot
3	23	disturbed	pi			plot
4	25	disturbed	bay			plot
5	17	moderately disturbed				plot
6	13	moderately calm	pi			plot
7	11	moderately calm				plot
8	11	moderately calm	sfe	��		plot
9	24	disturbed	si sfe			plot
10	27	disturbed				plot
11	39	disturbed	storm si bay pc		��	plot
12	37	disturbed	bay pi		��	plot
13	30	disturbed	bay sfe pi		��	plot
14	23	disturbed	bay			plot
15	27	disturbed	si bay pi			plot
16	20	moderately disturbed	bay pi			plot
17	17	moderately disturbed	bay sfe			plot
18	16	moderately calm				plot
19	07	calm				plot
20	08	calm		��		plot
21	04	calm		��		plot
22	11	moderately calm				plot
23	06	calm				plot
24	05	calm		��		plot
25	12	moderately calm				plot
26	27	disturbed				plot
27	18	moderately disturbed				plot
28	18	moderately disturbed				plot
29	13	moderately calm	pi			plot
30	19	moderately disturbed	bay pi			plot

*) Plot diagram opens in a separate window.