Geomagnetic storms in 1964
In 1964, the maximum daily Kp reached storm level (Kp 5 or more) on 62 days. 4 days were strong (Kp 7 or more) and 0 extreme (Kp 9).
Max Kp8−
Storm days (Kp ≥ 5)62
Strong (Kp ≥ 7)4
Extreme (Kp 9)0
Storm days by month
Strongest storms
| Date | Max Kp | Daily Ap |
|---|---|---|
| January 2, 1964 | 7− | 53 |
| March 4, 1964 | 6 | 52 |
| June 10, 1964 | 7− | 49 |
| April 1, 1964 | 7+ | 46 |
| September 22, 1964 | 8− | 44 |
| September 28, 1964 | 6− | 35 |
| August 4, 1964 | 6+ | 34 |
| March 5, 1964 | 6− | 33 |
| April 28, 1964 | 5+ | 33 |
| February 13, 1964 | 5 | 32 |
GFZ Potsdam, Kp index (CC BY 4.0), doi:10.5880/Kp.0001.