Aurora & Space WeatherHome › Geomagnetic history › 1935
Geomagnetic activity in December 1935
Mean Ap9.3No. 815 of 1138
G1+ days4
G3+ days0
Max Ap2428 Dec 1935
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Dec 1935 | 5- | 13 | G1 |
| 14 Dec 1935 | 5- | 17 | G1 |
| 15 Dec 1935 | 5- | 21 | G1 |
| 28 Dec 1935 | 5o | 24 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| December 1934 | 8.3 | 6 | 0 |
| December 1935 | 9.3 | 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 9.3 in December 1935, No. 815 of 1138 months since 1932; 4 days reached G1 or higher.