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Monthly overview (Sep 2015)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-26.8′°, H: 29956nT, Z: 35744nT and F: 46637nT for September 2015.

Monthly average of the K-index daily sum is 15.8. indicates a slightly high level of geomagnetic activity during the month.

Notable geomagnetic events include 3 magnetic storms, 1 si, 13 bay, 4 sfe, 9 pi and 0 pc.

The international 5 quietest days are the 1,26,27,28,30^th.

The international 5 most disturbed days are the 7,8,9,11,20^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	07	calm	○		plot
2	12	moderately calm			plot
3	10	calm			plot
4	23	disturbed			plot
5	16	moderately calm			plot
6	19	moderately disturbed			plot
7	28	disturbed		○	plot
8	22	moderately disturbed		○	plot
9	35	disturbed		○	plot
10	19	moderately disturbed			plot
11	29	disturbed		○	plot
12	18	moderately disturbed			plot
13	18	moderately disturbed			plot
14	17	moderately disturbed			plot
15	20	moderately disturbed			plot
16	15	moderately calm			plot
17	12	moderately calm			plot
18	19	moderately disturbed			plot
19	14	moderately calm			plot
20	31	disturbed		○	plot
21	15	moderately calm			plot
22	16	moderately calm			plot
23	18	moderately disturbed			plot
24	09	calm			plot
25	13	moderately calm			plot
26	07	calm	○		plot
27	03	extremely calm	○		plot
28	05	calm	○		plot
29	03	extremely calm			plot
30	00	extremely calm	○		plot

*) Plot diagram opens in a separate window.