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Geomagnetic activity in July 1961
Mean Ap27.7No. 36 of 1138
G1+ days15
G3+ days4
Max Ap11427 Jul 1961
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Jul 1961 | 5+ | 16 | G1 |
| 5 Jul 1961 | 6+ | 45 | G2 |
| 6 Jul 1961 | 5- | 16 | G1 |
| 13 Jul 1961 | 8+ | 102 | G4 |
| 14 Jul 1961 | 8+ | 98 | G4 |
| 15 Jul 1961 | 5- | 25 | G1 |
| 16 Jul 1961 | 6- | 23 | G2 |
| 17 Jul 1961 | 6+ | 36 | G2 |
| 18 Jul 1961 | 8- | 93 | G4 |
| 19 Jul 1961 | 6o | 18 | G2 |
| 20 Jul 1961 | 5+ | 19 | G1 |
| 21 Jul 1961 | 6- | 35 | G2 |
| 23 Jul 1961 | 5o | 17 | G1 |
| 26 Jul 1961 | 5+ | 23 | G1 |
| 27 Jul 1961 | 8+ | 114 | G4 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1960 | 20.1 | 11 | 2 |
| July 1961 | 27.7 | 15 | 4 |
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 27.7 in July 1961, No. 36 of 1138 months since 1932; 15 days reached G1 or higher.