Home > Observation data > Monthly overview > Monthly overview (Dec 2015)

Monthly overview (Dec 2015)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-27.5′°, H: 29958nT, Z: 35753nT and F: 46646nT for December 2015.

Monthly average of the K-index daily sum is 16.4. indicates a slightly high level of geomagnetic activity during the month.

Notable geomagnetic events include 3 magnetic storms, 3 si, 18 bay, 0 sfe, 6 pi and 0 pc.

The international 5 quietest days are the 3,4,18,28,30^th.

The international 5 most disturbed days are the 6,10,20,21,31^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	19	moderately disturbed			plot
2	14	moderately calm			plot
3	04	calm	○		plot
4	06	calm	○		plot
5	21	moderately disturbed			plot
6	25	disturbed		○	plot
7	24	disturbed			plot
8	17	moderately disturbed			plot
9	10	calm			plot
10	24	disturbed		○	plot
11	23	disturbed			plot
12	14	moderately calm			plot
13	08	calm			plot
14	21	moderately disturbed			plot
15	21	moderately disturbed			plot
16	04	calm			plot
17	11	moderately calm			plot
18	03	extremely calm	○		plot
19	14	moderately calm			plot
20	40	disturbed		○	plot
21	26	disturbed		○	plot
22	18	moderately disturbed			plot
23	16	moderately calm			plot
24	18	moderately disturbed			plot
25	13	moderately calm			plot
26	17	moderately disturbed			plot
27	18	moderately disturbed			plot
28	12	moderately calm	○		plot
29	09	calm			plot
30	05	calm	○		plot
31	34	disturbed		○	plot

*) Plot diagram opens in a separate window.