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Geomagnetic storm on 24 Aug 1958 (G4)
Max Kp8-G4
Ap85No. 6 in 1958
Consecutive G1+ days2
Ap rank255since 1932
Kp by 3-hour slot (UTC)
7+
8-
6o
7-
6+
4o
3+
3o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 21 Aug 1958 | 3- | 6 | – |
| 22 Aug 1958 | 6- | 34 | G2 |
| 23 Aug 1958 | 4- | 13 | – |
| 24 Aug 1958 | 8- | 85 | G4 |
| 25 Aug 1958 | 5- | 18 | G1 |
| 26 Aug 1958 | 4o | 14 | – |
| 27 Aug 1958 | 7- | 64 | G3 |
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 8-, Ap 85: No. 255 of 34,615 days since 1932 by Ap.