The monthly mean values of the geomagnetic field components at Kakioka are D: -73.1, H: 29989nT, Z: 35378nT and F: 46378nT for September 2002.
Monthly average of the K-index daily sum is 14.8. indicates a moderate level of geomagnetic activity during the month.
Notable geomagnetic events include 2 magnetic storms, 2 si, 12 bay, 2 sfe, 1 pi and 0 pc.
The international 5 quietest days are the 20,23,24,25,29th.
The international 5 most disturbed days are the 4,7,8,11,30th.
Plot of the geomagnetic hourly value for September 2002
Plot of the K-index daily total sum for 2002
Details of the geomagnetic storms in September 2002
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 16 | moderately calm | plot | |||
| 2 | 17 | moderately disturbed | bay | plot | ||
| 3 | 16 | moderately calm | storm | plot | ||
| 4 | 31 | disturbed | bay | plot | ||
| 5 | 16 | moderately calm | plot | |||
| 6 | 13 | moderately calm | plot | |||
| 7 | 26 | disturbed | storm | plot | ||
| 8 | 21 | moderately disturbed | plot | |||
| 9 | 11 | moderately calm | plot | |||
| 10 | 25 | disturbed | bay | plot | ||
| 11 | 22 | moderately disturbed | pi | plot | ||
| 12 | 19 | moderately disturbed | bay | plot | ||
| 13 | 17 | moderately disturbed | plot | |||
| 14 | 15 | moderately calm | plot | |||
| 15 | 09 | calm | plot | |||
| 16 | 12 | moderately calm | sfe | plot | ||
| 17 | 17 | moderately disturbed | plot | |||
| 18 | 21 | moderately disturbed | bay | plot | ||
| 19 | 17 | moderately disturbed | bay | plot | ||
| 20 | 07 | calm | plot | |||
| 21 | 10 | calm | plot | |||
| 22 | 09 | calm | plot | |||
| 23 | 01 | extremely calm | plot | |||
| 24 | 03 | extremely calm | plot | |||
| 25 | 03 | extremely calm | plot | |||
| 26 | 08 | calm | plot | |||
| 27 | 10 | calm | plot | |||
| 28 | 14 | moderately calm | plot | |||
| 29 | 11 | moderately calm | sfe | plot | ||
| 30 | 28 | disturbed | si | plot |
*) Plot diagram opens in a separate window.
Copyright (c) Kakioka Magnetic Observatory, Japan Meteorological Agency. All rights reserved.
