The monthly mean values of the geomagnetic field components at Kakioka are D: -717.4, H: 29961nT, Z: 35615nT and F: 46542nT for February 2013.
Monthly average of the K-index daily sum is 11.8. indicates a slightly low level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 1 si, 2 bay, 0 sfe, 1 pi and 1 pc.
The international 5 quietest days are the 5,6,9,24,25th.
The international 5 most disturbed days are the 2,13,14,17,22th.
Plot of the geomagnetic hourly value for February 2013
Plot of the K-index daily total sum for 2013
| 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 | 18 | moderately disturbed | plot | |||
| 3 | 10 | calm | plot | |||
| 4 | 10 | calm | plot | |||
| 5 | 09 | calm | plot | |||
| 6 | 04 | calm | plot | |||
| 7 | 14 | moderately calm | plot | |||
| 8 | 15 | moderately calm | plot | |||
| 9 | 05 | calm | plot | |||
| 10 | 11 | moderately calm | plot | |||
| 11 | 12 | moderately calm | plot | |||
| 12 | 10 | calm | plot | |||
| 13 | 18 | moderately disturbed | bay | plot | ||
| 14 | 21 | moderately disturbed | pc | plot | ||
| 15 | 08 | calm | plot | |||
| 16 | 12 | moderately calm | si pi | plot | ||
| 17 | 19 | moderately disturbed | bay | plot | ||
| 18 | 07 | calm | plot | |||
| 19 | 09 | calm | plot | |||
| 20 | 17 | moderately disturbed | plot | |||
| 21 | 15 | moderately calm | plot | |||
| 22 | 16 | moderately calm | plot | |||
| 23 | 13 | moderately calm | plot | |||
| 24 | 04 | calm | plot | |||
| 25 | 08 | calm | plot | |||
| 26 | 12 | moderately calm | plot | |||
| 27 | 07 | calm | plot | |||
| 28 | 12 | moderately calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
