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Geomagnetic activity in March 1959
Mean Ap24.1No. 74 of 1138
G1+ days10
G3+ days4
Max Ap17827 Mar 1959
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Mar 1959 | 6- | 42 | G2 |
| 2 Mar 1959 | 5- | 31 | G1 |
| 8 Mar 1959 | 5- | 11 | G1 |
| 25 Mar 1959 | 5+ | 31 | G1 |
| 26 Mar 1959 | 8o | 81 | G4 |
| 27 Mar 1959 | 8+ | 178 | G4 |
| 28 Mar 1959 | 7+ | 87 | G3 |
| 29 Mar 1959 | 7- | 73 | G3 |
| 30 Mar 1959 | 5o | 20 | G1 |
| 31 Mar 1959 | 5o | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1958 | 26.3 | 23 | 2 |
| March 1959 | 24.1 | 10 | 4 |
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 24.1 in March 1959, No. 74 of 1138 months since 1932; 10 days reached G1 or higher.