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Geomagnetic activity in February 1959
Mean Ap24.0No. 76 of 1138
G1+ days14
G3+ days1
Max Ap6925 Feb 1959
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Feb 1959 | 5- | 22 | G1 |
| 4 Feb 1959 | 5+ | 36 | G1 |
| 5 Feb 1959 | 5- | 24 | G1 |
| 9 Feb 1959 | 5o | 23 | G1 |
| 11 Feb 1959 | 6+ | 36 | G2 |
| 12 Feb 1959 | 5o | 24 | G1 |
| 14 Feb 1959 | 6- | 30 | G2 |
| 15 Feb 1959 | 6- | 37 | G2 |
| 16 Feb 1959 | 6+ | 61 | G2 |
| 17 Feb 1959 | 6- | 24 | G2 |
| 25 Feb 1959 | 7+ | 69 | G3 |
| 26 Feb 1959 | 6+ | 48 | G2 |
| 27 Feb 1959 | 6- | 30 | G2 |
| 28 Feb 1959 | 6- | 44 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 1958 | 26.9 | 14 | 1 |
| February 1959 | 24.0 | 14 | 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 February 1959, No. 76 of 1138 months since 1932; 14 days reached G1 or higher.