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Geomagnetic activity in January 1959
Mean Ap13.8No. 448 of 1138
G1+ days6
G3+ days0
Max Ap4510 Jan 1959
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Jan 1959 | 6- | 25 | G2 |
| 6 Jan 1959 | 5- | 24 | G1 |
| 9 Jan 1959 | 6+ | 38 | G2 |
| 10 Jan 1959 | 6- | 45 | G2 |
| 11 Jan 1959 | 5- | 14 | G1 |
| 26 Jan 1959 | 6o | 22 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1958 | 14.7 | 7 | 1 |
| January 1959 | 13.8 | 6 | 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.
← December 1958February 1959 →
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Mean Ap 13.8 in January 1959, No. 448 of 1138 months since 1932; 6 days reached G1 or higher.