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Monthly overview (Dec 2001)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-2.8′°, H: 29999nT, Z: 35380nT and F: 46386nT for December 2001.

Monthly average of the K-index daily sum is 14.5. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 4 si, 2 bay, 0 sfe, 0 pi and 0 pc.

The international 5 quietest days are the 9,10,11,13,20^th.

The international 5 most disturbed days are the 17,21,24,30,31^th.

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

*) Plot diagram opens in a separate window.