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Geomagnetic activity in November 1937
Mean Ap11.5No. 625 of 1138
G1+ days6
G3+ days0
Max Ap3030 Nov 1937
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Nov 1937 | 5- | 17 | G1 |
| 18 Nov 1937 | 5- | 29 | G1 |
| 19 Nov 1937 | 5- | 22 | G1 |
| 22 Nov 1937 | 5o | 23 | G1 |
| 29 Nov 1937 | 6- | 27 | G2 |
| 30 Nov 1937 | 5+ | 30 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1936 | 9.6 | 6 | 1 |
| November 1937 | 11.5 | 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 11.5 in November 1937, No. 625 of 1138 months since 1932; 6 days reached G1 or higher.