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Monthly overview (Apr 2013)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��17.9��, H: 29962nT, Z: 35624nT and F: 46548nT for April 2013.

Monthly average of the K-index daily sum is 8.9. indicates an extremely lowl level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 2 si, 0 bay, 0 sfe, 3 pi and 0 pc.

The international 5 quietest days are the 8,17,18,19,21^th.

The international 5 most disturbed days are the 14,23,24,25,26^th.

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

*) Plot diagram opens in a separate window.