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Geomagnetic activity in November 1938
Mean Ap10.0No. 750 of 1138
G1+ days3
G3+ days0
Max Ap339 Nov 1938
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Nov 1938 | 5- | 24 | G1 |
| 9 Nov 1938 | 5o | 33 | G1 |
| 17 Nov 1938 | 5o | 24 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1937 | 11.5 | 6 | 0 |
| November 1938 | 10.0 | 3 | 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 10.0 in November 1938, No. 750 of 1138 months since 1932; 3 days reached G1 or higher.