The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-1′°, H: 30067nT, Z: 35298nT and F: 46368nT for May 1997.
Monthly average of the K-index daily sum is 10. indicates a low level of geomagnetic activity during the month.
Notable geomagnetic events include 2 magnetic storms, 4 si, 2 bay, 0 sfe, 7 pi and 1 pc.
The international 5 quietest days are the 12,13,19,23,29th.
The international 5 most disturbed days are the 1,2,15,16,27th.
Plot of the geomagnetic hourly value for May 1997
Plot of the K-index daily total sum for 1997
Details of the geomagnetic storms in May 1997
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 20 | moderately disturbed | storm si | ○ | plot | |
| 2 | 15 | moderately calm | pc | ○ | plot | |
| 3 | 16 | moderately calm | bay pi | plot | ||
| 4 | 09 | calm | plot | |||
| 5 | 09 | calm | plot | |||
| 6 | 07 | calm | plot | |||
| 7 | 03 | extremely calm | plot | |||
| 8 | 04 | calm | pi | plot | ||
| 9 | 05 | calm | plot | |||
| 10 | 05 | calm | plot | |||
| 11 | 08 | calm | pi | plot | ||
| 12 | 04 | calm | ○ | plot | ||
| 13 | 05 | calm | ○ | plot | ||
| 14 | 07 | calm | plot | |||
| 15 | 35 | disturbed | storm si pi | ○ | plot | |
| 16 | 19 | moderately disturbed | ○ | plot | ||
| 17 | 10 | calm | plot | |||
| 18 | 11 | moderately calm | plot | |||
| 19 | 04 | calm | ○ | plot | ||
| 20 | 08 | calm | si | plot | ||
| 21 | 08 | calm | plot | |||
| 22 | 07 | calm | plot | |||
| 23 | 06 | calm | ○ | plot | ||
| 24 | 13 | moderately calm | plot | |||
| 25 | 07 | calm | plot | |||
| 26 | 14 | moderately calm | si pi | plot | ||
| 27 | 16 | moderately calm | ○ | plot | ||
| 28 | 08 | calm | pi | plot | ||
| 29 | 05 | calm | ○ | plot | ||
| 30 | 10 | calm | plot | |||
| 31 | 13 | moderately calm | bay | plot |
*) Plot diagram opens in a separate window.
