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Monthly overview (Dec 2018)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-38.6′°, H: 30024nT, Z: 35853nT and F: 46764nT for December 2018.

Monthly average of the K-index daily sum is 9.8. indicates an extremely lowl level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 0 si, 7 bay, 0 sfe, 1 pi and 0 pc.

The international 5 quietest days are the 13,14,15,16,23^th.

The international 5 most disturbed days are the 2,7,8,20,28^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	bay			plot
2	16	moderately calm			○	plot
3	15	moderately calm	pi			plot
4	13	moderately calm				plot
5	07	calm				plot
6	09	calm				plot
7	16	moderately calm			○	plot
8	17	moderately disturbed	bay		○	plot
9	13	moderately calm				plot
10	17	moderately disturbed	bay			plot
11	12	moderately calm				plot
12	04	calm				plot
13	02	extremely calm		○		plot
14	01	extremely calm		○		plot
15	02	extremely calm		○		plot
16	04	calm		○		plot
17	11	moderately calm				plot
18	13	moderately calm	bay			plot
19	11	moderately calm				plot
20	13	moderately calm			○	plot
21	05	calm				plot
22	04	calm				plot
23	02	extremely calm		○		plot
24	05	calm				plot
25	04	calm				plot
26	02	extremely calm				plot
27	05	calm				plot
28	25	disturbed	bay		○	plot
29	17	moderately disturbed				plot
30	16	moderately calm	bay			plot
31	11	moderately calm				plot

*) Plot diagram opens in a separate window.