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Geomagnetic activity in November 1958
Mean Ap7.8No. 957 of 1138
G1+ days2
G3+ days0
Max Ap1828 Nov 1958
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Nov 1958 | 5+ | 16 | G1 |
| 11 Nov 1958 | 5o | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 1957 | 18.0 | 9 | 2 |
| November 1958 | 7.8 | 2 | 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.
About this page
Mean Ap 7.8 in November 1958, No. 957 of 1138 months since 1932; 2 days reached G1 or higher.