Geomagnetic activity in 1965
Mean Ap7.7
G1+30days
G3+2days
G50days
G1+ days by month
- January 1965
- February 1965
- March 1965
- April 1965
- May 1965
- June 1965
- July 1965
- August 1965
- September 1965
- October 1965
- November 1965
- December 1965
Nearby years (G1+ days)
155
93
75
78
62
30
50
62
74
52
60
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 16 Jun 1965 | 7o | 73 | G3 |
| 18 Apr 1965 | 8- | 68 | G4 |
| 16 Sep 1965 | 5+ | 35 | G1 |
| 17 Jun 1965 | 6- | 34 | G2 |
| 7 Feb 1965 | 6- | 31 | G2 |
| 19 Aug 1965 | 5+ | 27 | G1 |
| 28 Sep 1965 | 6- | 27 | G2 |
| 3 Mar 1965 | 5- | 26 | G1 |
| 5 May 1965 | 5+ | 26 | G1 |
| 23 Mar 1965 | 5o | 25 | G1 |
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
1965 had 30 G1+ storm days (No. 85 of 95 years) and 2 G3+ days.