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Monthly overview (May 2015)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-25.2′°, H: 29969nT, Z: 35723nT and F: 46629nT for May 2015.

Monthly average of the K-index daily sum is 11.9. indicates a slightly low level of geomagnetic activity during the month.

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

The international 5 quietest days are the 21,22,23,24,25^th.

The international 5 most disturbed days are the 6,11,12,13,18^th.

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

*) Plot diagram opens in a separate window.