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Monthly overview (May 2000)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.3′°, H: 30016nT, Z: 35374nT and F: 46393nT for May 2000.

Monthly average of the K-index daily sum is 18.3. indicates a high level of geomagnetic activity during the month.

Notable geomagnetic events include 2 magnetic storms, 5 si, 0 bay, 0 sfe, 3 pi and 1 pc.

The international 5 quietest days are the 7,8,11,20,21^th.

The international 5 most disturbed days are the 17,23,24,25,29^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	20	moderately disturbed			plot
2	24	disturbed			plot
3	21	moderately disturbed			plot
4	15	moderately calm			plot
5	16	moderately calm			plot
6	15	moderately calm			plot
7	12	moderately calm	○		plot
8	15	moderately calm	○		plot
9	16	moderately calm			plot
10	08	calm			plot
11	07	calm	○		plot
12	25	disturbed			plot
13	18	moderately disturbed			plot
14	17	moderately disturbed			plot
15	19	moderately disturbed			plot
16	27	disturbed			plot
17	21	moderately disturbed		○	plot
18	14	moderately calm			plot
19	14	moderately calm			plot
20	10	calm	○		plot
21	13	moderately calm	○		plot
22	16	moderately calm			plot
23	26	disturbed		○	plot
24	37	disturbed		○	plot
25	24	disturbed		○	plot
26	20	moderately disturbed			plot
27	17	moderately disturbed			plot
28	19	moderately disturbed			plot
29	22	moderately disturbed		○	plot
30	25	disturbed			plot
31	14	moderately calm			plot

*) Plot diagram opens in a separate window.