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Geomagnetic activity in December 1963
Mean Ap10.5No. 697 of 1138
G1+ days4
G3+ days0
Max Ap363 Dec 1963
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Dec 1963 | 6- | 36 | G2 |
| 4 Dec 1963 | 5o | 25 | G1 |
| 5 Dec 1963 | 5- | 28 | G1 |
| 20 Dec 1963 | 5- | 20 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 1962 | 12.8 | 6 | 1 |
| December 1963 | 10.5 | 4 | 0 |
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 10.5 in December 1963, No. 697 of 1138 months since 1932; 4 days reached G1 or higher.