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Monthly overview (Dec 2007)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��5.2��, H: 29985nT, Z: 35418nT and F: 46406nT for December 2007.

Monthly average of the K-index daily sum is 9. indicates an extremely lowl level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 0 si, 4 bay, 0 sfe, 5 pi and 0 pc.

The international 5 quietest days are the 3,4,7,8,25^th.

The international 5 most disturbed days are the 11,17,18,20,21^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	04	calm				plot
2	07	calm				plot
3	01	extremely calm		��		plot
4	05	calm		��		plot
5	07	calm				plot
6	00	extremely calm				plot
7	00	extremely calm		��		plot
8	01	extremely calm		��		plot
9	08	calm				plot
10	15	moderately calm				plot
11	21	moderately disturbed	bay		��	plot
12	14	moderately calm				plot
13	10	calm				plot
14	06	calm				plot
15	03	extremely calm				plot
16	05	calm				plot
17	27	disturbed	storm bay pi		��	plot
18	20	moderately disturbed	bay pi		��	plot
19	13	moderately calm				plot
20	21	moderately disturbed	bay		��	plot
21	17	moderately disturbed				plot
22	14	moderately calm	pi			plot
23	11	moderately calm				plot
24	06	calm				plot
25	02	extremely calm				plot
26	05	calm				plot
27	14	moderately calm				plot
28	04	calm				plot
29	04	calm				plot
30	06	calm				plot
31	09	calm				plot

*) Plot diagram opens in a separate window.