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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	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	08	calm				plot
2	07	calm		��		plot
3	24	disturbed	storm		��	plot
4	21	moderately disturbed	bay		��	plot
5	11	moderately calm				plot
6	14	moderately calm				plot
7	09	calm	pi	��		plot
8	14	moderately calm	bay			plot
9	21	moderately disturbed			��	plot
10	24	disturbed	bay		��	plot
11	19	moderately disturbed				plot
12	17	moderately disturbed	bay			plot
13	13	moderately calm				plot
14	18	moderately disturbed	bay pi			plot
15	19	moderately disturbed	bay			plot
16	08	calm				plot
17	16	moderately calm				plot
18	23	disturbed	si bay pi			plot
19	07	calm		��		plot
20	14	moderately calm				plot
21	23	disturbed				plot
22	16	moderately calm				plot
23	11	moderately calm	pi			plot
24	12	moderately calm	sfe			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.