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Geomagnetic storm on 9 Jul 1958 (G3)
Max Kp7oG3
Ap75No. 10 in 1958
Consecutive G1+ days3
Ap rank351since 1932
Kp by 3-hour slot (UTC)
6+
6-
6o
7o
6+
5o
3o
6-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Jul 1958 | 3- | 6 | – |
| 7 Jul 1958 | 4+ | 17 | – |
| 8 Jul 1958 | 9o | 200 | G5 |
| 9 Jul 1958 | 7o | 75 | G3 |
| 10 Jul 1958 | 5o | 17 | G1 |
| 11 Jul 1958 | 4o | 15 | – |
| 12 Jul 1958 | 4+ | 21 | – |
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 75: No. 351 of 34,615 days since 1932 by Ap.