Aurora & Space WeatherHome › Geomagnetic history › 1934
Geomagnetic activity in December 1934
Mean Ap8.3No. 903 of 1138
G1+ days6
G3+ days0
Max Ap404 Dec 1934
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Dec 1934 | 5o | 12 | G1 |
| 4 Dec 1934 | 6+ | 40 | G2 |
| 25 Dec 1934 | 5- | 14 | G1 |
| 29 Dec 1934 | 6- | 24 | G2 |
| 30 Dec 1934 | 5- | 26 | G1 |
| 31 Dec 1934 | 5- | 14 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 1933 | 7.2 | 3 | 0 |
| December 1934 | 8.3 | 6 | 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 8.3 in December 1934, No. 903 of 1138 months since 1932; 6 days reached G1 or higher.