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Monthly overview (Apr 2011)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��12.1��, H: 29964nT, Z: 35527nT and F: 46476nT for April 2011.

Monthly average of the K-index daily sum is 10.4. indicates a low level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 2 si, 0 bay, 0 sfe, 5 pi and 0 pc.

The international 5 quietest days are the 10,16,26,27,28^th.

The international 5 most disturbed days are the 2,6,12,20,30^th.

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

*) Plot diagram opens in a separate window.