Home > Observation data > Monthly overview > Monthly overview (Apr 2003)

Monthly overview (Apr 2003)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��3.1��, H: 29983nT, Z: 35378nT and F: 46374nT for April 2003.

Monthly average of the K-index daily sum is 20.7. indicates an extremely high level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 2 si, 10 bay, 1 sfe, 10 pi and 0 pc.

The international 5 quietest days are the 6,7,12,13,19^th.

The international 5 most disturbed days are the 4,5,16,25,30^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	20	moderately disturbed				plot
2	24	disturbed				plot
3	20	moderately disturbed				plot
4	23	disturbed			��	plot
5	26	disturbed			��	plot
6	12	moderately calm		��		plot
7	09	calm		��		plot
8	29	disturbed	si bay			plot
9	24	disturbed	bay pi			plot
10	26	disturbed	pi			plot
11	18	moderately disturbed				plot
12	13	moderately calm		��		plot
13	13	moderately calm	pi	��		plot
14	23	disturbed				plot
15	22	moderately disturbed	bay			plot
16	27	disturbed	bay pi		��	plot
17	25	disturbed	bay			plot
18	21	moderately disturbed	pi			plot
19	14	moderately calm				plot
20	19	moderately disturbed				plot
21	24	disturbed				plot
22	22	moderately disturbed	bay pi			plot
23	19	moderately disturbed	sfe			plot
24	22	moderately disturbed	bay			plot
25	24	disturbed			��	plot
26	18	moderately disturbed				plot
27	21	moderately disturbed	pi			plot
28	17	moderately disturbed	bay			plot
29	19	moderately disturbed	si bay pi			plot
30	28	disturbed				plot

*) Plot diagram opens in a separate window.