Geomagnetic storms in 1958
In 1958, the maximum daily Kp reached storm level (Kp 5 or more) on 122 days. 24 days were strong (Kp 7 or more) and 3 extreme (Kp 9).
Max Kp9
Storm days (Kp ≥ 5)122
Strong (Kp ≥ 7)24
Extreme (Kp 9)3
Storm days by month
Strongest storms
| Date | Max Kp | Daily Ap |
|---|---|---|
| July 8, 1958 | 9 | 200 |
| February 11, 1958 | 9 | 199 |
| September 4, 1958 | 9− | 131 |
| June 29, 1958 | 8 | 103 |
| October 24, 1958 | 7 | 89 |
| August 24, 1958 | 8− | 85 |
| August 17, 1958 | 7+ | 82 |
| September 25, 1958 | 7 | 82 |
| June 7, 1958 | 8− | 77 |
| July 9, 1958 | 7 | 75 |
GFZ Potsdam, Kp index (CC BY 4.0), doi:10.5880/Kp.0001.