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Monthly overview (May 2012)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��15.2��, H: 29957nT, Z: 35581nT and F: 46513nT for May 2012.

Monthly average of the K-index daily sum is 11.5. indicates a slightly low level of geomagnetic activity during the month.

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

The international 5 quietest days are the 1,5,7,26,27^th.

The international 5 most disturbed days are the 9,11,13,22,23^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	02	extremely calm				plot
3	17	moderately disturbed				plot
4	07	calm				plot
5	04	calm		��		plot
6	09	calm				plot
7	08	calm		��		plot
8	16	moderately calm				plot
9	25	disturbed	pi		��	plot
10	17	moderately disturbed	sfe pi			plot
11	15	moderately calm			��	plot
12	14	moderately calm	pi			plot
13	17	moderately disturbed	pi		��	plot
14	05	calm				plot
15	09	calm				plot
16	17	moderately disturbed				plot
17	11	moderately calm				plot
18	12	moderately calm				plot
19	06	calm				plot
20	16	moderately calm	si			plot
21	05	calm	si			plot
22	24	disturbed	bay		��	plot
23	20	moderately disturbed	pi			plot
24	15	moderately calm				plot
25	13	moderately calm	pi			plot
26	01	extremely calm		��		plot
27	04	calm				plot
28	09	calm				plot
29	09	calm				plot
30	13	moderately calm				plot
31	14	moderately calm				plot

*) Plot diagram opens in a separate window.