The monthly mean values of the geomagnetic field components at Kakioka are D: -746.6, H: 30075nT, Z: 35880nT and F: 46818nT for February 2021.
Monthly average of the K-index daily sum is 14.1. indicates a moderate level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 2 si, 6 bay, 0 sfe, 5 pi and 0 pc.
The international 5 quietest days are the 9,10,11,14,27th.
The international 5 most disturbed days are the 7,20,21,22,24th.
Plot of the geomagnetic hourly value for February 2021
Plot of the K-index daily total sum for 2021
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 10 | calm | plot | |||
| 2 | 22 | moderately disturbed | bay pi | plot | ||
| 3 | 17 | moderately disturbed | bay | plot | ||
| 4 | 10 | calm | plot | |||
| 5 | 09 | calm | plot | |||
| 6 | 10 | calm | plot | |||
| 7 | 22 | moderately disturbed | bay | plot | ||
| 8 | 12 | moderately calm | pi | plot | ||
| 9 | 09 | calm | plot | |||
| 10 | 05 | calm | plot | |||
| 11 | 08 | calm | plot | |||
| 12 | 11 | moderately calm | plot | |||
| 13 | 15 | moderately calm | plot | |||
| 14 | 07 | calm | plot | |||
| 15 | 07 | calm | plot | |||
| 16 | 19 | moderately disturbed | bay | plot | ||
| 17 | 15 | moderately calm | plot | |||
| 18 | 07 | calm | plot | |||
| 19 | 21 | moderately disturbed | pi | plot | ||
| 20 | 20 | moderately disturbed | plot | |||
| 21 | 23 | disturbed | bay pi | plot | ||
| 22 | 23 | disturbed | pi | plot | ||
| 23 | 17 | moderately disturbed | plot | |||
| 24 | 22 | moderately disturbed | si | plot | ||
| 25 | 19 | moderately disturbed | plot | |||
| 26 | 17 | moderately disturbed | si | plot | ||
| 27 | 09 | calm | plot | |||
| 28 | 08 | calm | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
