The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-1.8′°, H: 30055nT, Z: 35324nT and F: 46380nT for February 1998.
Monthly average of the K-index daily sum is 12.6. indicates a slightly low level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 0 si, 3 bay, 0 sfe, 3 pi and 0 pc.
The international 5 quietest days are the 6,7,16,24,26th.
The international 5 most disturbed days are the 9,11,17,18,28th.
Plot of the geomagnetic hourly value for February 1998
Plot of the K-index daily total sum for 1998
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 19 | moderately disturbed | plot | |||
| 2 | 07 | calm | plot | |||
| 3 | 06 | calm | plot | |||
| 4 | 18 | moderately disturbed | plot | |||
| 5 | 12 | moderately calm | plot | |||
| 6 | 08 | calm | ○ | plot | ||
| 7 | 07 | calm | ○ | plot | ||
| 8 | 11 | moderately calm | pi | plot | ||
| 9 | 18 | moderately disturbed | ○ | plot | ||
| 10 | 13 | moderately calm | plot | |||
| 11 | 21 | moderately disturbed | bay | ○ | plot | |
| 12 | 17 | moderately disturbed | plot | |||
| 13 | 09 | calm | plot | |||
| 14 | 11 | moderately calm | plot | |||
| 15 | 03 | extremely calm | plot | |||
| 16 | 07 | calm | ○ | plot | ||
| 17 | 20 | moderately disturbed | ○ | plot | ||
| 18 | 28 | disturbed | bay pi | ○ | plot | |
| 19 | 15 | moderately calm | plot | |||
| 20 | 15 | moderately calm | plot | |||
| 21 | 09 | calm | plot | |||
| 22 | 17 | moderately disturbed | bay | plot | ||
| 23 | 15 | moderately calm | plot | |||
| 24 | 09 | calm | ○ | plot | ||
| 25 | 04 | calm | plot | |||
| 26 | 02 | extremely calm | ○ | plot | ||
| 27 | 11 | moderately calm | plot | |||
| 28 | 22 | moderately disturbed | pi | ○ | plot |
*) Plot diagram opens in a separate window.
