Maximum Kp index on December 18, 2004
Kp = 3
Maximum Kp index on December 18, 2004
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in San Jose on December 18, 2004
Time zone — UTC−08 (San Jose | 37.3 N 121.81 W)
Geomagnetic storms in San Jose in December 2004
Time zone — UTC−08 (San Jose | 37.3 N 121.81 W)
Geomagnetic activity indices on December 18, 2004
| Geomagnetic index Ap | 12 |
|---|---|
| Solar radio flux F10.7 | 91 |
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