The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-15.2′°, H: 29948nT, Z: 35577nT and F: 46504nT for April 2012.
Monthly average of the K-index daily sum is 11.3. indicates a low level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 1 si, 4 bay, 0 sfe, 6 pi and 0 pc.
The international 5 quietest days are the 6,8,9,16,30th.
The international 5 most disturbed days are the 5,13,23,24,25th.
Plot of the geomagnetic hourly value for April 2012
Plot of the K-index daily total sum for 2012
Details of the geomagnetic storms in April 2012
| Date | K-index daily sum | Geomagnetic activity | Geomagnetic phenomena | International 5 quietest days | International 5 quietest days | geomagnetic 1-minute value plot | 
|---|---|---|---|---|---|---|
| 1 | 13 | moderately calm | plot | |||
| 2 | 14 | moderately calm | plot | |||
| 3 | 03 | extremely calm | plot | |||
| 4 | 13 | moderately calm | plot | |||
| 5 | 20 | moderately disturbed | ○ | plot | ||
| 6 | 04 | calm | ○ | plot | ||
| 7 | 15 | moderately calm | plot | |||
| 8 | 05 | calm | ○ | plot | ||
| 9 | 01 | extremely calm | ○ | plot | ||
| 10 | 09 | calm | plot | |||
| 11 | 10 | calm | plot | |||
| 12 | 19 | moderately disturbed | plot | |||
| 13 | 20 | moderately disturbed | ○ | plot | ||
| 14 | 10 | calm | plot | |||
| 15 | 06 | calm | plot | |||
| 16 | 02 | extremely calm | ○ | plot | ||
| 17 | 12 | moderately calm | plot | |||
| 18 | 12 | moderately calm | plot | |||
| 19 | 03 | extremely calm | plot | |||
| 20 | 12 | moderately calm | plot | |||
| 21 | 06 | calm | plot | |||
| 22 | 13 | moderately calm | plot | |||
| 23 | 24 | disturbed | ○ | plot | ||
| 24 | 25 | disturbed | ○ | plot | ||
| 25 | 24 | disturbed | ○ | plot | ||
| 26 | 20 | moderately disturbed | plot | |||
| 27 | 12 | moderately calm | plot | |||
| 28 | 09 | calm | plot | |||
| 29 | 01 | extremely calm | plot | |||
| 30 | 01 | extremely calm | ○ | plot | 
*) Plot diagram opens in a separate window.
 
	
 
  
 