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Monthly overview (Dec 2021)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��49.1��, H: 30093nT, Z: 35890nT and F: 46837nT for December 2021.

Monthly average of the K-index daily sum is 10.5. indicates a low level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 1 si, 4 bay, 0 sfe, 3 pi and 0 pc.

The international 5 quietest days are the 9,10,12,17,26^th.

The international 5 most disturbed days are the 1,19,20,22,27^th.

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

*) Plot diagram opens in a separate window.