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Monthly overview (Nov 1991)

The monthly mean values of the geomagnetic field components at Kakioka are D: -6°-53′°, H: 30087nT, Z: 35028nT and F: 46176nT for November 1991.

Monthly average of the K-index daily sum is 24.1. indicates an extremely high level of geomagnetic activity during the month.

Notable geomagnetic events include 4 magnetic storms, 6 si, 7 bay, 3 sfe, 0 pi and 0 pc.

The international 5 quietest days are the 12,25,26,27,28^th.

The international 5 most disturbed days are the 1,8,9,19,21^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	40	disturbed		○	plot
2	25	disturbed			plot
3	21	moderately disturbed			plot
4	25	disturbed			plot
5	23	disturbed			plot
6	18	moderately disturbed			plot
7	16	moderately calm			plot
8	38	disturbed		○	plot
9	43	disturbed		○	plot
10	25	disturbed			plot
11	24	disturbed			plot
12	11	moderately calm	○		plot
13	20	moderately disturbed			plot
14	26	disturbed			plot
15	30	disturbed			plot
16	27	disturbed			plot
17	24	disturbed			plot
18	30	disturbed			plot
19	33	disturbed		○	plot
20	20	moderately disturbed			plot
21	35	disturbed		○	plot
22	31	disturbed			plot
23	28	disturbed			plot
24	21	moderately disturbed			plot
25	12	moderately calm	○		plot
26	13	moderately calm	○		plot
27	11	moderately calm	○		plot
28	17	moderately disturbed	○		plot
29	18	moderately disturbed			plot
30	18	moderately disturbed			plot

*) Plot diagram opens in a separate window.