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Monthly overview (Oct 2021)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��48.6��, H: 30093nT, Z: 35886nT and F: 46834nT for October 2021.

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 2 magnetic storms, 2 si, 6 bay, 0 sfe, 5 pi and 0 pc.

The international 5 quietest days are the 7,23,27,28,29^th.

The international 5 most disturbed days are the 1,11,12,19,31^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	18	moderately disturbed	si		��	plot
2	12	moderately calm				plot
3	13	moderately calm	bay pi			plot
4	05	calm				plot
5	08	calm				plot
6	15	moderately calm				plot
7	12	moderately calm		��		plot
8	04	calm				plot
9	05	calm				plot
10	20	moderately disturbed	bay			plot
11	19	moderately disturbed	bay pi		��	plot
12	33	disturbed	storm		��	plot
13	08	calm				plot
14	14	moderately calm				plot
15	09	calm	bay			plot
16	13	moderately calm				plot
17	22	moderately disturbed				plot
18	19	moderately disturbed				plot
19	20	moderately disturbed	bay		��	plot
20	10	calm				plot
21	10	calm				plot
22	08	calm				plot
23	05	calm		��		plot
24	08	calm	pi			plot
25	06	calm				plot
26	08	calm				plot
27	03	extremely calm		��		plot
28	01	extremely calm		��		plot
29	05	calm				plot
30	16	moderately calm	bay pi			plot
31	21	moderately disturbed	si			plot

*) Plot diagram opens in a separate window.