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Geomagnetic activity in August 1965
Mean Ap8.5No. 887 of 1138
G1+ days3
G3+ days0
Max Ap2719 Aug 1965
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Aug 1965 | 6+ | 21 | G2 |
| 19 Aug 1965 | 5+ | 27 | G1 |
| 20 Aug 1965 | 5o | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1964 | 8.0 | 3 | 0 |
| August 1965 | 8.5 | 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 8.5 in August 1965, No. 887 of 1138 months since 1932; 3 days reached G1 or higher.