Kp index — December 1950
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
6.3
22 Dec · G2
Storm nights
9
G1×5G2×4
Time at storm level
8.9%
intervals at Kp ≥ 5−
Avg Kp
2.6
all intervals
Tap a day — its eight intervals open here.
Highlights
- G2 storm · Dec 22–26 · peak Kp 6.3
1950 · the year at a glance — storm nights by month · year peak Kp 8.7
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.