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Monthly overview (Apr 2023)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-53′°, H: 30102nT, Z: 35918nT and F: 46864nT for April 2023.

Monthly average of the K-index daily sum is 15.4. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 3 si, 8 bay, 1 sfe, 3 pi and 2 pc.

The international 5 quietest days are the 11,12,16,17,20^th.

The international 5 most disturbed days are the 23,24,27,28,29^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	15	moderately calm	pi			plot
3	15	moderately calm				plot
4	17	moderately disturbed	pi			plot
5	13	moderately calm				plot
6	11	moderately calm	bay			plot
7	11	moderately calm				plot
8	07	calm	sfe			plot
9	11	moderately calm	si			plot
10	20	moderately disturbed				plot
11	08	calm	bay	○		plot
12	07	calm		○		plot
13	09	calm				plot
14	12	moderately calm				plot
15	14	moderately calm				plot
16	09	calm		○		plot
17	12	moderately calm		○		plot
18	16	moderately calm	si pc			plot
19	19	moderately disturbed	bay			plot
20	10	calm		○		plot
21	18	moderately disturbed				plot
22	10	calm				plot
23	28	disturbed	storm si bay pc		○	plot
24	32	disturbed			○	plot
25	15	moderately calm	bay			plot
26	20	moderately disturbed	bay			plot
27	26	disturbed			○	plot
28	25	disturbed	bay pi		○	plot
29	23	disturbed			○	plot
30	13	moderately calm				plot

*) Plot diagram opens in a separate window.