The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-17.9′°, H: 29962nT, Z: 35624nT and F: 46548nT for April 2013.
Monthly average of the K-index daily sum is 8.9. indicates an extremely lowl level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 3 si, 0 bay, 0 sfe, 3 pi and 0 pc.
The international 5 quietest days are the 8,17,18,19,21th.
The international 5 most disturbed days are the 14,23,24,25,26th.
Plot of the geomagnetic hourly value for April 2013
Plot of the K-index daily total sum for 2013
Details of the geomagnetic storms in April 2013
| 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 | 06 | calm | plot | |||
| 3 | 01 | extremely calm | plot | |||
| 4 | 06 | calm | plot | |||
| 5 | 04 | calm | plot | |||
| 6 | 07 | calm | plot | |||
| 7 | 11 | moderately calm | plot | |||
| 8 | 02 | extremely calm | ○ | plot | ||
| 9 | 09 | calm | plot | |||
| 10 | 11 | moderately calm | plot | |||
| 11 | 11 | moderately calm | plot | |||
| 12 | 08 | calm | plot | |||
| 13 | 09 | calm | si | plot | ||
| 14 | 19 | moderately disturbed | ○ | plot | ||
| 15 | 11 | moderately calm | plot | |||
| 16 | 06 | calm | plot | |||
| 17 | 04 | calm | ○ | plot | ||
| 18 | 02 | extremely calm | ○ | plot | ||
| 19 | 01 | extremely calm | ○ | plot | ||
| 20 | 07 | calm | plot | |||
| 21 | 04 | calm | ○ | plot | ||
| 22 | 07 | calm | plot | |||
| 23 | 15 | moderately calm | si | ○ | plot | |
| 24 | 21 | moderately disturbed | pi | ○ | plot | |
| 25 | 16 | moderately calm | ○ | plot | ||
| 26 | 23 | disturbed | pi | ○ | plot | |
| 27 | 11 | moderately calm | plot | |||
| 28 | 10 | calm | pi | plot | ||
| 29 | 03 | extremely calm | plot | |||
| 30 | 11 | moderately calm | storm si | plot |
*) Plot diagram opens in a separate window.
