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Geomagnetic activity in June 1947
Mean Ap16.0No. 296 of 1138
G1+ days9
G3+ days1
Max Ap6214 Jun 1947
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jun 1947 | 6- | 26 | G2 |
| 5 Jun 1947 | 6o | 34 | G2 |
| 6 Jun 1947 | 6- | 13 | G2 |
| 7 Jun 1947 | 5o | 18 | G1 |
| 8 Jun 1947 | 5o | 22 | G1 |
| 13 Jun 1947 | 6- | 23 | G2 |
| 14 Jun 1947 | 7o | 62 | G3 |
| 17 Jun 1947 | 6o | 40 | G2 |
| 25 Jun 1947 | 5- | 23 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1946 | 16.0 | 8 | 2 |
| June 1947 | 16.0 | 9 | 1 |
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 16.0 in June 1947, No. 296 of 1138 months since 1932; 9 days reached G1 or higher.