The monthly mean values of the geomagnetic field components at Kakioka are D: -715.2, 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, 0 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 | bay | plot | ||
| 2 | 14 | moderately calm | pi | plot | ||
| 3 | 03 | extremely calm | plot | |||
| 4 | 13 | moderately calm | pi | plot | ||
| 5 | 20 | moderately disturbed | bay pi | plot | ||
| 6 | 04 | calm | plot | |||
| 7 | 15 | moderately calm | plot | |||
| 8 | 05 | calm | plot | |||
| 9 | 01 | extremely calm | plot | |||
| 10 | 09 | calm | pi | plot | ||
| 11 | 10 | calm | plot | |||
| 12 | 19 | moderately disturbed | pi | 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 | storm bay | plot | ||
| 24 | 25 | disturbed | plot | |||
| 25 | 24 | disturbed | plot | |||
| 26 | 20 | moderately disturbed | plot | |||
| 27 | 12 | moderately calm | plot | |||
| 28 | 09 | calm | pi | plot | ||
| 29 | 01 | extremely calm | plot | |||
| 30 | 01 | extremely calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
