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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, 5 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.