The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-47′°, H: 30083nT, Z: 35883nT and F: 46825nT for April 2021.
Monthly average of the K-index daily sum is 13.3. indicates a moderate level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 0 si, 2 bay, 0 sfe, 13 pi and 0 pc.
The international 5 quietest days are the 3,4,6,9,28th.
The international 5 most disturbed days are the 16,17,18,19,25th.
Plot of the geomagnetic hourly value for April 2021
Plot of the K-index daily total sum for 2021
Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
---|---|---|---|---|---|---|
1 | 11 | moderately calm | plot | |||
2 | 12 | moderately calm | plot | |||
3 | 07 | calm | ○ | plot | ||
4 | 05 | calm | ○ | plot | ||
5 | 10 | calm | plot | |||
6 | 07 | calm | ○ | plot | ||
7 | 21 | moderately disturbed | plot | |||
8 | 06 | calm | plot | |||
9 | 06 | calm | ○ | plot | ||
10 | 07 | calm | plot | |||
11 | 11 | moderately calm | plot | |||
12 | 09 | calm | plot | |||
13 | 13 | moderately calm | plot | |||
14 | 12 | moderately calm | plot | |||
15 | 19 | moderately disturbed | plot | |||
16 | 25 | disturbed | ○ | plot | ||
17 | 27 | disturbed | ○ | plot | ||
18 | 23 | disturbed | ○ | plot | ||
19 | 24 | disturbed | ○ | plot | ||
20 | 21 | moderately disturbed | plot | |||
21 | 09 | calm | plot | |||
22 | 08 | calm | plot | |||
23 | 17 | moderately disturbed | plot | |||
24 | 16 | moderately calm | plot | |||
25 | 23 | disturbed | ○ | plot | ||
26 | 16 | moderately calm | plot | |||
27 | 10 | calm | plot | |||
28 | 04 | calm | ○ | plot | ||
29 | 09 | calm | plot | |||
30 | 12 | moderately calm | plot |
*) Plot diagram opens in a separate window.