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Geomagnetic activity in December 1960
Mean Ap21.4No. 121 of 1138
G1+ days12
G3+ days1
Max Ap931 Dec 1960
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Dec 1960 | 8o | 93 | G4 |
| 2 Dec 1960 | 5o | 26 | G1 |
| 7 Dec 1960 | 6- | 25 | G2 |
| 8 Dec 1960 | 5+ | 22 | G1 |
| 15 Dec 1960 | 6o | 43 | G2 |
| 16 Dec 1960 | 6- | 33 | G2 |
| 18 Dec 1960 | 5o | 26 | G1 |
| 20 Dec 1960 | 5- | 24 | G1 |
| 21 Dec 1960 | 5o | 25 | G1 |
| 27 Dec 1960 | 6+ | 50 | G2 |
| 28 Dec 1960 | 5+ | 23 | G1 |
| 29 Dec 1960 | 5- | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 1959 | 19.2 | 10 | 1 |
| December 1960 | 21.4 | 12 | 1 |
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 21.4 in December 1960, No. 121 of 1138 months since 1932; 12 days reached G1 or higher.