Maximum Kp index on February 13, 2004
Kp = 4
Maximum Kp index on February 13, 2004
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Peterborough on February 13, 2004
Time zone — UTC−05 (Peterborough | 44.3 N 78.34 W)
Geomagnetic storms in Peterborough in February 2004
Time zone — UTC−05 (Peterborough | 44.3 N 78.34 W)
Geomagnetic activity indices on February 13, 2004
| Geomagnetic index Ap | 21 |
|---|---|
| Solar radio flux F10.7 | 108 |