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Monthly overview (Jan 1999)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��2.8��, H: 30031nT, Z: 35355nT and F: 46388nT for January 1999.

Monthly average of the K-index daily sum is 15.2. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 1 si, 6 bay, 0 sfe, 0 pi and 0 pc.

The international 5 quietest days are the 3,19,26,30,31^th.

The international 5 most disturbed days are the 8,13,14,15,23^th.

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

*) Plot diagram opens in a separate window.