The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.4′°, H: 30010nT, Z: 35375nT and F: 46390nT for January 2000.
Monthly average of the K-index daily sum is 15.3. indicates a moderate level of geomagnetic activity during the month.
Notable geomagnetic events include 2 magnetic storms, 2 si, 0 bay, 0 sfe, 2 pi and 0 pc.
The international 5 quietest days are the 8,9,17,18,21th.
The international 5 most disturbed days are the 1,11,23,28,29th.
Plot of the geomagnetic hourly value for January 2000
Plot of the K-index daily total sum for 2000
Details of the geomagnetic storms in January 2000
| Date | K-index daily sum | Geomagnetic activity | Geomagnetic phenomena | International 5 quietest days | International 5 quietest days | geomagnetic 1-minute value plot | 
|---|---|---|---|---|---|---|
| 1 | 25 | disturbed | ○ | plot | ||
| 2 | 19 | moderately disturbed | plot | |||
| 3 | 19 | moderately disturbed | plot | |||
| 4 | 19 | moderately disturbed | plot | |||
| 5 | 20 | moderately disturbed | plot | |||
| 6 | 22 | moderately disturbed | plot | |||
| 7 | 15 | moderately calm | plot | |||
| 8 | 09 | calm | ○ | plot | ||
| 9 | 00 | extremely calm | ○ | plot | ||
| 10 | 09 | calm | plot | |||
| 11 | 24 | disturbed | ○ | plot | ||
| 12 | 14 | moderately calm | plot | |||
| 13 | 15 | moderately calm | plot | |||
| 14 | 13 | moderately calm | plot | |||
| 15 | 11 | moderately calm | plot | |||
| 16 | 07 | calm | plot | |||
| 17 | 00 | extremely calm | ○ | plot | ||
| 18 | 04 | calm | ○ | plot | ||
| 19 | 11 | moderately calm | plot | |||
| 20 | 18 | moderately disturbed | plot | |||
| 21 | 03 | extremely calm | ○ | plot | ||
| 22 | 27 | disturbed | plot | |||
| 23 | 20 | moderately disturbed | ○ | plot | ||
| 24 | 17 | moderately disturbed | plot | |||
| 25 | 06 | calm | plot | |||
| 26 | 10 | calm | plot | |||
| 27 | 24 | disturbed | plot | |||
| 28 | 30 | disturbed | ○ | plot | ||
| 29 | 28 | disturbed | ○ | plot | ||
| 30 | 19 | moderately disturbed | plot | |||
| 31 | 16 | moderately calm | plot | 
*) Plot diagram opens in a separate window.
 
	
 
  
 