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Monthly overview (May 2003)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.4′°, H: 29982nT, Z: 35379nT and F: 46375nT for May 2003.

Monthly average of the K-index daily sum is 21.9. indicates an extremely high level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 8 si, 5 bay, 1 sfe, 11 pi and 1 pc.

The international 5 quietest days are the 3,4,16,17,18^th.

The international 5 most disturbed days are the 1,7,8,29,30^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	28	disturbed		○	plot
2	18	moderately disturbed			plot
3	13	moderately calm	○		plot
4	13	moderately calm	○		plot
5	20	moderately disturbed			plot
6	25	disturbed			plot
7	26	disturbed		○	plot
8	27	disturbed		○	plot
9	27	disturbed			plot
10	26	disturbed			plot
11	23	disturbed			plot
12	23	disturbed			plot
13	26	disturbed			plot
14	24	disturbed			plot
15	22	moderately disturbed			plot
16	15	moderately calm	○		plot
17	12	moderately calm	○		plot
18	13	moderately calm	○		plot
19	15	moderately calm			plot
20	16	moderately calm			plot
21	21	moderately disturbed			plot
22	23	disturbed			plot
23	21	moderately disturbed			plot
24	24	disturbed			plot
25	18	moderately disturbed			plot
26	19	moderately disturbed			plot
27	25	disturbed			plot
28	26	disturbed			plot
29	35	disturbed		○	plot
30	34	disturbed		○	plot
31	22	moderately disturbed			plot

*) Plot diagram opens in a separate window.