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Monthly overview (Sep 1997)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-1.6′°, H: 30059nT, Z: 35312nT and F: 46374nT for September 1997.

Monthly average of the K-index daily sum is 15.3. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 1 si, 7 bay, 1 sfe, 5 pi and 0 pc.

The international 5 quietest days are the 2,7,19,25,26^th.

The international 5 most disturbed days are the 3,4,9,10,18^th.

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

*) Plot diagram opens in a separate window.