Home > Observation data > Monthly overview > Monthly overview (Aug 2001)

Monthly overview (Aug 2001)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3′°, H: 30011nT, Z: 35374nT and F: 46390nT for August 2001.

Monthly average of the K-index daily sum is 16.5. indicates a slightly high level of geomagnetic activity during the month.

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

The international 5 quietest days are the 11,15,16,24,29^th.

The international 5 most disturbed days are the 5,6,13,17,22^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	17	moderately disturbed				plot
2	14	moderately calm				plot
3	20	moderately disturbed	si sfe			plot
4	12	moderately calm				plot
5	23	disturbed	sfe		○	plot
6	23	disturbed	bay		○	plot
7	16	moderately calm				plot
8	10	calm				plot
9	12	moderately calm	pi			plot
10	12	moderately calm				plot
11	06	calm		○		plot
12	20	moderately disturbed	si pi			plot
13	25	disturbed			○	plot
14	18	moderately disturbed				plot
15	07	calm		○		plot
16	06	calm		○		plot
17	26	disturbed	storm si bay pi		○	plot
18	23	disturbed				plot
19	20	moderately disturbed				plot
20	12	moderately calm	pi			plot
21	20	moderately disturbed				plot
22	23	disturbed	pi		○	plot
23	13	moderately calm				plot
24	07	calm		○		plot
25	19	moderately disturbed				plot
26	21	moderately disturbed				plot
27	20	moderately disturbed	si			plot
28	18	moderately disturbed				plot
29	13	moderately calm	sfe	○		plot
30	17	moderately disturbed	si bay			plot
31	18	moderately disturbed				plot

*) Plot diagram opens in a separate window.