Home > Observation data > Monthly overview > Monthly overview (Jan 2005)

Monthly overview (Jan 2005)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��3.9��, H: 29970nT, Z: 35380nT and F: 46367nT for January 2005.

Monthly average of the K-index daily sum is 20.1. indicates an extremely high level of geomagnetic activity during the month.

Notable geomagnetic events include 3 magnetic storms, 0 si, 9 bay, 1 sfe, 12 pi and 1 pc.

The international 5 quietest days are the 6,9,25,26,27^th.

The international 5 most disturbed days are the 2,17,18,19,21^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	25	disturbed	sfe			plot
2	29	disturbed	bay pi		��	plot
3	23	disturbed				plot
4	20	moderately disturbed				plot
5	18	moderately disturbed	pi			plot
6	06	calm	pi	��		plot
7	24	disturbed	storm			plot
8	26	disturbed				plot
9	08	calm		��		plot
10	15	moderately calm	pi			plot
11	18	moderately disturbed				plot
12	31	disturbed	bay pi			plot
13	17	moderately disturbed				plot
14	17	moderately disturbed	bay			plot
15	22	moderately disturbed				plot
16	20	moderately disturbed				plot
17	36	disturbed	storm bay pi		��	plot
18	38	disturbed	pi		��	plot
19	31	disturbed			��	plot
20	23	disturbed	bay			plot
21	29	disturbed	storm pi pc			plot
22	28	disturbed				plot
23	20	moderately disturbed				plot
24	15	moderately calm				plot
25	06	calm		��		plot
26	03	extremely calm		��		plot
27	03	extremely calm	pi			plot
28	09	calm				plot
29	24	disturbed	bay pi			plot
30	20	moderately disturbed				plot
31	20	moderately disturbed	pi			plot

*) Plot diagram opens in a separate window.