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Geomagnetic activity in October 1983
Mean Ap17.2No. 240 of 1138
G1+ days13
G3+ days1
Max Ap5118 Oct 1983
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Oct 1983 | 5o | 23 | G1 |
| 4 Oct 1983 | 7- | 43 | G3 |
| 6 Oct 1983 | 5o | 22 | G1 |
| 8 Oct 1983 | 5- | 16 | G1 |
| 13 Oct 1983 | 5+ | 30 | G1 |
| 14 Oct 1983 | 5- | 22 | G1 |
| 17 Oct 1983 | 6+ | 48 | G2 |
| 18 Oct 1983 | 6- | 51 | G2 |
| 22 Oct 1983 | 5o | 19 | G1 |
| 23 Oct 1983 | 5o | 21 | G1 |
| 24 Oct 1983 | 5- | 22 | G1 |
| 28 Oct 1983 | 5o | 10 | G1 |
| 29 Oct 1983 | 5- | 34 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 1982 | 18.2 | 8 | 0 |
| October 1983 | 17.2 | 13 | 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.
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Mean Ap 17.2 in October 1983, No. 240 of 1138 months since 1932; 13 days reached G1 or higher.