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Geomagnetic activity in September 1960
Mean Ap20.5No. 137 of 1138
G1+ days14
G3+ days3
Max Ap1185 Sep 1960
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Sep 1960 | 6- | 20 | G2 |
| 3 Sep 1960 | 7- | 35 | G3 |
| 4 Sep 1960 | 8o | 95 | G4 |
| 5 Sep 1960 | 8- | 118 | G4 |
| 6 Sep 1960 | 5+ | 28 | G1 |
| 7 Sep 1960 | 6- | 27 | G2 |
| 8 Sep 1960 | 5- | 19 | G1 |
| 13 Sep 1960 | 5o | 21 | G1 |
| 14 Sep 1960 | 5o | 13 | G1 |
| 18 Sep 1960 | 5- | 16 | G1 |
| 24 Sep 1960 | 5o | 27 | G1 |
| 27 Sep 1960 | 5- | 17 | G1 |
| 29 Sep 1960 | 5- | 14 | G1 |
| 30 Sep 1960 | 5- | 28 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| September 1959 | 28.3 | 19 | 4 |
| September 1960 | 20.5 | 14 | 3 |
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 20.5 in September 1960, No. 137 of 1138 months since 1932; 14 days reached G1 or higher.