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Geomagnetic activity in April 1963
Mean Ap9.8No. 773 of 1138
G1+ days5
G3+ days0
Max Ap325 Apr 1963
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1963 | 5- | 12 | G1 |
| 5 Apr 1963 | 6- | 32 | G2 |
| 6 Apr 1963 | 5- | 19 | G1 |
| 15 Apr 1963 | 5- | 15 | G1 |
| 30 Apr 1963 | 6+ | 23 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1962 | 14.0 | 7 | 0 |
| April 1963 | 9.8 | 5 | 0 |
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
Mean Ap 9.8 in April 1963, No. 773 of 1138 months since 1932; 5 days reached G1 or higher.