The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-6.5′°, H: 29979nT, Z: 35438nT and F: 46418nT for September 2008.
Monthly average of the K-index daily sum is 7.2. indicates an extremely lowl level of geomagnetic activity during the month.
Notable geomagnetic events include 1 magnetic storms, 3 si, 1 bay, 0 sfe, 8 pi and 0 pc.
The international 5 quietest days are the 12,13,21,24,29th.
The international 5 most disturbed days are the 4,7,8,15,16th.
Plot of the geomagnetic hourly value for September 2008
Plot of the K-index daily total sum for 2008
Details of the geomagnetic storms in September 2008
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 03 | extremely calm | plot | |||
| 2 | 04 | calm | plot | |||
| 3 | 17 | moderately disturbed | storm si | plot | ||
| 4 | 25 | disturbed | pi | ○ | plot | |
| 5 | 09 | calm | plot | |||
| 6 | 11 | moderately calm | pi | plot | ||
| 7 | 13 | moderately calm | pi | ○ | plot | |
| 8 | 14 | moderately calm | ○ | plot | ||
| 9 | 06 | calm | plot | |||
| 10 | 05 | calm | plot | |||
| 11 | 01 | extremely calm | plot | |||
| 12 | 02 | extremely calm | ○ | plot | ||
| 13 | 01 | extremely calm | ○ | plot | ||
| 14 | 08 | calm | si pi | plot | ||
| 15 | 24 | disturbed | bay | ○ | plot | |
| 16 | 11 | moderately calm | ○ | plot | ||
| 17 | 03 | extremely calm | plot | |||
| 18 | 12 | moderately calm | plot | |||
| 19 | 06 | calm | pi | plot | ||
| 20 | 04 | calm | plot | |||
| 21 | 02 | extremely calm | pi | ○ | plot | |
| 22 | 06 | calm | plot | |||
| 23 | 02 | extremely calm | plot | |||
| 24 | 03 | extremely calm | ○ | plot | ||
| 25 | 04 | calm | plot | |||
| 26 | 04 | calm | plot | |||
| 27 | 04 | calm | plot | |||
| 28 | 04 | calm | plot | |||
| 29 | 03 | extremely calm | ○ | plot | ||
| 30 | 06 | calm | si | plot |
*) Plot diagram opens in a separate window.
