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Geomagnetic activity in December 1954
Mean Ap6.4No. 1041 of 1138
G1+ days2
G3+ days0
Max Ap1727 Dec 1954
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Dec 1954 | 5- | 16 | G1 |
| 27 Dec 1954 | 5o | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 1953 | 6.9 | 1 | 0 |
| December 1954 | 6.4 | 2 | 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 6.4 in December 1954, No. 1041 of 1138 months since 1932; 2 days reached G1 or higher.