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Monthly overview (Sep 2002)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.1′°, H: 29989nT, Z: 35378nT and F: 46378nT for September 2002.

Monthly average of the K-index daily sum is 14.8. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 2 magnetic storms, 3 si, 12 bay, 2 sfe, 1 pi and 0 pc.

The international 5 quietest days are the 20,23,24,25,29^th.

The international 5 most disturbed days are the 4,7,8,11,30^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	16	moderately calm			plot
2	17	moderately disturbed			plot
3	16	moderately calm			plot
4	31	disturbed		○	plot
5	16	moderately calm			plot
6	13	moderately calm			plot
7	26	disturbed		○	plot
8	21	moderately disturbed		○	plot
9	11	moderately calm			plot
10	25	disturbed			plot
11	22	moderately disturbed		○	plot
12	19	moderately disturbed			plot
13	17	moderately disturbed			plot
14	15	moderately calm			plot
15	09	calm			plot
16	12	moderately calm			plot
17	17	moderately disturbed			plot
18	21	moderately disturbed			plot
19	17	moderately disturbed			plot
20	07	calm	○		plot
21	10	calm			plot
22	09	calm			plot
23	01	extremely calm	○		plot
24	03	extremely calm	○		plot
25	03	extremely calm	○		plot
26	08	calm			plot
27	10	calm			plot
28	14	moderately calm			plot
29	11	moderately calm	○		plot
30	28	disturbed		○	plot

*) Plot diagram opens in a separate window.