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Monthly overview (Sep 2007)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��5.1��, H: 29983nT, Z: 35414nT and F: 46402nT for September 2007.

Monthly average of the K-index daily sum is 12.2. indicates a slightly low level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 3 si, 9 bay, 0 sfe, 8 pi and 0 pc.

The international 5 quietest days are the 9,10,11,12,13^th.

The international 5 most disturbed days are the 2,23,27,28,29^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	25	disturbed	bay		��	plot
3	18	moderately disturbed	pi			plot
4	13	moderately calm				plot
5	18	moderately disturbed	bay			plot
6	15	moderately calm				plot
7	14	moderately calm				plot
8	10	calm				plot
9	05	calm	pi	��		plot
10	02	extremely calm		��		plot
11	02	extremely calm		��		plot
12	03	extremely calm		��		plot
13	04	calm	si			plot
14	10	calm				plot
15	09	calm				plot
16	04	calm				plot
17	06	calm				plot
18	04	calm				plot
19	07	calm				plot
20	16	moderately calm	si			plot
21	18	moderately disturbed	pi			plot
22	19	moderately disturbed				plot
23	19	moderately disturbed	pi		��	plot
24	16	moderately calm	pi			plot
25	10	calm				plot
26	04	calm				plot
27	15	moderately calm	si bay pi		��	plot
28	21	moderately disturbed	bay		��	plot
29	24	disturbed	bay pi			plot
30	16	moderately calm	pi			plot

*) Plot diagram opens in a separate window.