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Geomagnetic activity in April 1983
Mean Ap24.0No. 75 of 1138
G1+ days16
G3+ days1
Max Ap6124 Apr 1983
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1983 | 5- | 20 | G1 |
| 5 Apr 1983 | 5+ | 17 | G1 |
| 6 Apr 1983 | 6- | 35 | G2 |
| 7 Apr 1983 | 5+ | 34 | G1 |
| 8 Apr 1983 | 5o | 25 | G1 |
| 9 Apr 1983 | 5- | 19 | G1 |
| 10 Apr 1983 | 5- | 22 | G1 |
| 13 Apr 1983 | 6o | 36 | G2 |
| 14 Apr 1983 | 6o | 45 | G2 |
| 15 Apr 1983 | 7- | 59 | G3 |
| 16 Apr 1983 | 5o | 33 | G1 |
| 23 Apr 1983 | 5o | 17 | G1 |
| 24 Apr 1983 | 6+ | 61 | G2 |
| 25 Apr 1983 | 5+ | 32 | G1 |
| 26 Apr 1983 | 5o | 28 | G1 |
| 29 Apr 1983 | 6o | 39 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1982 | 21.9 | 16 | 2 |
| April 1983 | 24.0 | 16 | 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 24.0 in April 1983, No. 75 of 1138 months since 1932; 16 days reached G1 or higher.