The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-12.1′°, H: 29964nT, Z: 35527nT and F: 46476nT for April 2011.
Monthly average of the K-index daily sum is 10.4. indicates a low level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 3 si, 0 bay, 0 sfe, 5 pi and 0 pc.
The international 5 quietest days are the 10,16,26,27,28th.
The international 5 most disturbed days are the 2,6,12,20,30th.
Plot of the geomagnetic hourly value for April 2011
Plot of the K-index daily total sum for 2011
Details of the geomagnetic storms in April 2011
| 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 | 20 | moderately disturbed | ○ | plot | ||
| 3 | 20 | moderately disturbed | plot | |||
| 4 | 05 | calm | plot | |||
| 5 | 07 | calm | plot | |||
| 6 | 24 | disturbed | storm si | ○ | plot | |
| 7 | 02 | extremely calm | plot | |||
| 8 | 12 | moderately calm | pi | plot | ||
| 9 | 07 | calm | plot | |||
| 10 | 05 | calm | ○ | plot | ||
| 11 | 13 | moderately calm | pi | plot | ||
| 12 | 22 | moderately disturbed | pi | ○ | plot | |
| 13 | 12 | moderately calm | plot | |||
| 14 | 04 | calm | plot | |||
| 15 | 07 | calm | plot | |||
| 16 | 07 | calm | ○ | plot | ||
| 17 | 05 | calm | plot | |||
| 18 | 15 | moderately calm | si | plot | ||
| 19 | 06 | calm | si | plot | ||
| 20 | 18 | moderately disturbed | pi | ○ | plot | |
| 21 | 07 | calm | plot | |||
| 22 | 07 | calm | plot | |||
| 23 | 07 | calm | plot | |||
| 24 | 12 | moderately calm | plot | |||
| 25 | 06 | calm | plot | |||
| 26 | 03 | extremely calm | ○ | plot | ||
| 27 | 00 | extremely calm | ○ | plot | ||
| 28 | 05 | calm | ○ | plot | ||
| 29 | 16 | moderately calm | pi | plot | ||
| 30 | 22 | moderately disturbed | ○ | plot |
*) Plot diagram opens in a separate window.
