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Geomagnetic activity in February 1983
Mean Ap26.6No. 47 of 1138
G1+ days15
G3+ days2
Max Ap1435 Feb 1983
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Feb 1983 | 8- | 59 | G4 |
| 5 Feb 1983 | 8o | 143 | G4 |
| 6 Feb 1983 | 6+ | 47 | G2 |
| 7 Feb 1983 | 6o | 43 | G2 |
| 8 Feb 1983 | 5- | 18 | G1 |
| 10 Feb 1983 | 5+ | 23 | G1 |
| 11 Feb 1983 | 5+ | 24 | G1 |
| 12 Feb 1983 | 6o | 33 | G2 |
| 13 Feb 1983 | 5+ | 35 | G1 |
| 14 Feb 1983 | 5+ | 28 | G1 |
| 15 Feb 1983 | 5- | 25 | G1 |
| 16 Feb 1983 | 5+ | 30 | G1 |
| 20 Feb 1983 | 6o | 41 | G2 |
| 21 Feb 1983 | 5o | 36 | G1 |
| 22 Feb 1983 | 5+ | 21 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 1982 | 32.8 | 22 | 2 |
| February 1983 | 26.6 | 15 | 2 |
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 26.6 in February 1983, No. 47 of 1138 months since 1932; 15 days reached G1 or higher.