The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-3.1′°, H: 30035nT, Z: 35359nT and F: 46394nT for July 1999.
Monthly average of the K-index daily sum is 12.8. indicates a slightly low level of geomagnetic activity during the month.
Notable geomagnetic events include 0 magnetic storms, 4 si, 0 bay, 0 sfe, 4 pi and 0 pc.
The international 5 quietest days are the 4,5,16,17,19th.
The international 5 most disturbed days are the 2,21,22,30,31th.
Plot of the geomagnetic hourly value for July 1999
Plot of the K-index daily total sum for 1999
| Date | K-index daily sum |
Geomagnetic activity |
Geomagnetic phenomena |
International 5 quietest days |
International 5 quietest days |
geomagnetic 1-minute value plot |
|---|---|---|---|---|---|---|
| 1 | 11 | moderately calm | plot | |||
| 2 | 26 | disturbed | ○ | plot | ||
| 3 | 13 | moderately calm | plot | |||
| 4 | 03 | extremely calm | ○ | plot | ||
| 5 | 05 | calm | ○ | plot | ||
| 6 | 13 | moderately calm | plot | |||
| 7 | 11 | moderately calm | plot | |||
| 8 | 17 | moderately disturbed | plot | |||
| 9 | 06 | calm | plot | |||
| 10 | 10 | calm | plot | |||
| 11 | 05 | calm | plot | |||
| 12 | 18 | moderately disturbed | plot | |||
| 13 | 08 | calm | plot | |||
| 14 | 08 | calm | plot | |||
| 15 | 17 | moderately disturbed | plot | |||
| 16 | 07 | calm | ○ | plot | ||
| 17 | 05 | calm | ○ | plot | ||
| 18 | 11 | moderately calm | plot | |||
| 19 | 08 | calm | ○ | plot | ||
| 20 | 11 | moderately calm | plot | |||
| 21 | 16 | moderately calm | ○ | plot | ||
| 22 | 26 | disturbed | ○ | plot | ||
| 23 | 15 | moderately calm | plot | |||
| 24 | 15 | moderately calm | plot | |||
| 25 | 16 | moderately calm | plot | |||
| 26 | 13 | moderately calm | plot | |||
| 27 | 08 | calm | plot | |||
| 28 | 12 | moderately calm | plot | |||
| 29 | 11 | moderately calm | plot | |||
| 30 | 27 | disturbed | ○ | plot | ||
| 31 | 26 | disturbed | ○ | plot |
*) Plot diagram opens in a separate window.
