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Geomagnetic activity in January 1937
Mean Ap7.2No. 989 of 1138
G1+ days1
G3+ days0
Max Ap2010 Jan 1937
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Jan 1937 | 6- | 18 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1936 | 9.0 | 2 | 0 |
| January 1937 | 7.2 | 1 | 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.
← December 1936February 1937 →
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Mean Ap 7.2 in January 1937, No. 989 of 1138 months since 1932; 1 days reached G1 or higher.