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Geomagnetic storm on 12 Mar 1958 (G3)
Max Kp7oG3
Ap64No. 14 in 1958
Consecutive G1+ days16
Ap rank502since 1932
Kp by 3-hour slot (UTC)
7o
7o
7-
5-
4+
4+
4-
3o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Mar 1958 | 4o | 20 | – |
| 10 Mar 1958 | 4o | 18 | – |
| 11 Mar 1958 | 5- | 22 | G1 |
| 12 Mar 1958 | 7o | 64 | G3 |
| 13 Mar 1958 | 6- | 48 | G2 |
| 14 Mar 1958 | 6- | 20 | G2 |
| 15 Mar 1958 | 5- | 23 | G1 |
Highest-Ap days of 1958
200
199
131
103
89
85
82
82
77
75
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
Max Kp 7o, Ap 64: No. 502 of 34,615 days since 1932 by Ap.