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Monthly overview (May 2010)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��9.8��, H: 29969nT, Z: 35495nT and F: 46455nT for May 2010.

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, 1 si, 0 bay, 0 sfe, 6 pi and 0 pc.

The international 5 quietest days are the 9,13,23,24,27^th.

The international 5 most disturbed days are the 2,3,29,30,31^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	05	calm				plot
2	25	disturbed	storm		��	plot
3	22	moderately disturbed	pi		��	plot
4	16	moderately calm				plot
5	11	moderately calm				plot
6	14	moderately calm				plot
7	14	moderately calm				plot
8	10	calm				plot
9	00	extremely calm		��		plot
10	09	calm				plot
11	13	moderately calm				plot
12	07	calm	pi			plot
13	04	calm		��		plot
14	03	extremely calm				plot
15	04	calm				plot
16	06	calm				plot
17	07	calm				plot
18	06	calm				plot
19	17	moderately disturbed				plot
20	12	moderately calm				plot
21	04	calm				plot
22	02	extremely calm				plot
23	01	extremely calm		��		plot
24	01	extremely calm	pi	��		plot
25	08	calm				plot
26	08	calm	pi			plot
27	03	extremely calm	pi			plot
28	20	moderately disturbed	si pi			plot
29	28	disturbed			��	plot
30	21	moderately disturbed			��	plot
31	20	moderately disturbed				plot

*) Plot diagram opens in a separate window.