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Geomagnetic activity in June 1937
Mean Ap12.0No. 584 of 1138
G1+ days5
G3+ days0
Max Ap426 Jun 1937
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Jun 1937 | 5+ | 20 | G1 |
| 6 Jun 1937 | 6- | 42 | G2 |
| 13 Jun 1937 | 5o | 19 | G1 |
| 20 Jun 1937 | 5o | 25 | G1 |
| 27 Jun 1937 | 5+ | 31 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1936 | 11.8 | 6 | 1 |
| June 1937 | 12.0 | 5 | 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 12.0 in June 1937, No. 584 of 1138 months since 1932; 5 days reached G1 or higher.