Aurora & Space WeatherGeomagnetic activity in 1959
Mean Ap21.3
G1+133days
G3+24days
G52days
G1+ days by month
- January 1959
- February 1959
- March 1959
- April 1959
- May 1959
- June 1959
- July 1959
- August 1959
- September 1959
- October 1959
- November 1959
- December 1959
Nearby years (G1+ days)
52
63
122
118
122
133
155
93
75
78
62
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Jul 1959 | 9o | 236 | G5 |
| 27 Mar 1959 | 8+ | 178 | G4 |
| 16 Aug 1959 | 8+ | 130 | G4 |
| 18 Jul 1959 | 8o | 119 | G4 |
| 17 Aug 1959 | 8+ | 114 | G4 |
| 17 Jul 1959 | 9- | 110 | G5 |
| 12 May 1959 | 8+ | 108 | G4 |
| 4 Sep 1959 | 7+ | 103 | G3 |
| 10 Apr 1959 | 8- | 98 | G4 |
| 28 Mar 1959 | 7+ | 87 | G3 |
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
1959 had 133 G1+ storm days (No. 10 of 95 years) and 24 G3+ days.