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Monthly overview (May 2008)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��5.7��, H: 29987nT, Z: 35430nT and F: 46417nT for May 2008.

Monthly average of the K-index daily sum is 8.2. indicates an extremely lowl level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 1 si, 2 bay, 0 sfe, 6 pi and 0 pc.

The international 5 quietest days are the 9,14,15,17,18^th.

The international 5 most disturbed days are the 3,5,21,28,30^th.

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

*) Plot diagram opens in a separate window.