Kp index — March 1942
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
8.0
1 Mar · G4
Storm nights
14
G1×8G2×3G3×2G4×1
Time at storm level
14.5%
intervals at Kp ≥ 5−
Avg Kp
2.9
all intervals
Tap a day — its eight intervals open here.
Highlights
- G4 storm · Mar 1–3 · peak Kp 8.0
1942 · the year at a glance — storm nights by month · year peak Kp 8.0
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.