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Geomagnetic activity in December 1961
Mean Ap12.2No. 569 of 1138
G1+ days3
G3+ days2
Max Ap662 Dec 1961
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Dec 1961 | 8- | 54 | G4 |
| 2 Dec 1961 | 6+ | 66 | G2 |
| 3 Dec 1961 | 7- | 55 | G3 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 1960 | 21.4 | 12 | 1 |
| December 1961 | 12.2 | 3 | 2 |
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Mean Ap 12.2 in December 1961, No. 569 of 1138 months since 1932; 3 days reached G1 or higher.