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Monthly overview (Fab 1999)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��2.7��, H: 30030nT, Z: 35355nT and F: 46387nT for February 1999.

Monthly average of the K-index daily sum is 15.5. indicates a slightly high level of geomagnetic activity during the month.

Notable geomagnetic events include 2 magnetic storms, 0 si, 10 bay, 0 sfe, 4 pi and 0 pc.

The international 5 quietest days are the 1,2,9,20,26^th.

The international 5 most disturbed days are the 11,12,17,18,19^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	01	extremely calm		��		plot
2	03	extremely calm		��		plot
3	14	moderately calm				plot
4	15	moderately calm				plot
5	18	moderately disturbed				plot
6	19	moderately disturbed	bay			plot
7	18	moderately disturbed				plot
8	14	moderately calm				plot
9	07	calm		��		plot
10	07	calm	pi			plot
11	25	disturbed			��	plot
12	28	disturbed	bay		��	plot
13	13	moderately calm				plot
14	20	moderately disturbed				plot
15	19	moderately disturbed				plot
16	11	moderately calm				plot
17	23	disturbed	storm pi		��	plot
18	41	disturbed	storm pi		��	plot
19	29	disturbed	bay pi			plot
20	08	calm		��		plot
21	07	calm				plot
22	15	moderately calm				plot
23	18	moderately disturbed				plot
24	17	moderately disturbed				plot
25	12	moderately calm				plot
26	02	extremely calm				plot
27	08	calm				plot
28	21	moderately disturbed	bay			plot

*) Plot diagram opens in a separate window.