The monthly mean values of the geomagnetic field components at Kakioka are D: -743.5, H: 30060nT, Z: 35872nT and F: 46802nT for April 2020.
Monthly average of the K-index daily sum is 9.3. indicates an extremely lowl level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 0 si, 4 bay, 0 sfe, 8 pi and 0 pc.
The international 5 quietest days are the 6,19,23,29,30th.
The international 5 most disturbed days are the 3,8,14,20,21th.
Plot of the geomagnetic hourly value for April 2020
Plot of the K-index daily total sum for 2020
Details of the geomagnetic storms in April 2020
Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
---|---|---|---|---|---|---|
1 | 09 | calm | bay | plot | ||
2 | 11 | moderately calm | plot | |||
3 | 14 | moderately calm | pi | plot | ||
4 | 06 | calm | pi | plot | ||
5 | 07 | calm | pi | plot | ||
6 | 00 | extremely calm | plot | |||
7 | 05 | calm | plot | |||
8 | 19 | moderately disturbed | pi | plot | ||
9 | 06 | calm | plot | |||
10 | 10 | calm | bay | plot | ||
11 | 12 | moderately calm | bay pi | plot | ||
12 | 15 | moderately calm | plot | |||
13 | 10 | calm | plot | |||
14 | 11 | moderately calm | plot | |||
15 | 07 | calm | plot | |||
16 | 07 | calm | plot | |||
17 | 07 | calm | plot | |||
18 | 07 | calm | plot | |||
19 | 04 | calm | plot | |||
20 | 26 | disturbed | storm | plot | ||
21 | 20 | moderately disturbed | bay pi | plot | ||
22 | 10 | calm | pi | plot | ||
23 | 07 | calm | plot | |||
24 | 11 | moderately calm | pi | plot | ||
25 | 06 | calm | plot | |||
26 | 12 | moderately calm | plot | |||
27 | 11 | moderately calm | plot | |||
28 | 08 | calm | plot | |||
29 | 01 | extremely calm | plot | |||
30 | 00 | extremely calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.