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Monthly overview (May 2023)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7��53.3��, H: 30110nT, Z: 35921nT and F: 46871nT for May 2023.

Monthly average of the K-index daily sum is 14.4. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 2 magnetic storms, 3 si, 1 bay, 2 sfe, 7 pi and 3 pc.

The international 5 quietest days are the 3,5,17,18,29^th.

The international 5 most disturbed days are the 6,10,20,21,22^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	15	moderately calm				plot
3	04	calm		��		plot
4	06	calm				plot
5	05	calm		��		plot
6	27	disturbed	storm pc		��	plot
7	22	moderately disturbed				plot
8	22	moderately disturbed	si			plot
9	17	moderately disturbed	si sfe pi			plot
10	26	disturbed	bay pi pc		��	plot
11	12	moderately calm				plot
12	22	moderately disturbed	si pi			plot
13	20	moderately disturbed	pi			plot
14	12	moderately calm				plot
15	08	calm				plot
16	11	moderately calm				plot
17	03	extremely calm		��		plot
18	00	extremely calm		��		plot
19	15	moderately calm	storm sfe			plot
20	29	disturbed			��	plot
21	19	moderately disturbed			��	plot
22	24	disturbed	pc			plot
23	19	moderately disturbed	pi			plot
24	16	moderately calm				plot
25	16	moderately calm				plot
26	11	moderately calm				plot
27	06	calm				plot
28	13	moderately calm				plot
29	05	calm				plot
30	08	calm				plot
31	16	moderately calm				plot

*) Plot diagram opens in a separate window.