Home > Observation data > Monthly overview > Monthly overview (May 2013)

Monthly overview (May 2013)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��18.6��, H: 29953nT, Z: 35631nT and F: 46549nT for May 2013.

Monthly average of the K-index daily sum is 14.3. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 5 si, 2 bay, 3 sfe, 3 pi and 0 pc.

The international 5 quietest days are the 9,11,12,29,30^th.

The international 5 most disturbed days are the 1,18,24,25,26^th.

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

*) Plot diagram opens in a separate window.