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Geomagnetic activity in January 1933
Mean Ap9.6No. 789 of 1138
G1+ days4
G3+ days0
Max Ap2527 Jan 1933
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Jan 1933 | 5- | 19 | G1 |
| 20 Jan 1933 | 5o | 13 | G1 |
| 24 Jan 1933 | 5o | 15 | G1 |
| 27 Jan 1933 | 5o | 25 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1932 | 11.0 | 5 | 0 |
| January 1933 | 9.6 | 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.
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Mean Ap 9.6 in January 1933, No. 789 of 1138 months since 1932; 4 days reached G1 or higher.