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Geomagnetic storm on 8 Jul 1958 (G5)

Max Kp9oG5

Ap200No. 1 in 1958

Consecutive G1+ days3

Ap rank13since 1932

Kp by 3-hour slot (UTC)

00–033o

03–063-

06–097+

09–128-

12–158+

15–189o

18–219-

21–249-

The days around it

Date	Max Kp	Ap	Level
5 Jul 1958	4o	11	–
6 Jul 1958	3-	6	–
7 Jul 1958	4+	17	–
8 Jul 1958	9o	200	G5
9 Jul 1958	7o	75	G3
10 Jul 1958	5o	17	G1
11 Jul 1958	4o	15	–

Highest-Ap days of 1958

8 Jul 1958200

11 Feb 1958199

4 Sep 1958131

29 Jun 1958103

24 Oct 195889

24 Aug 195885

17 Aug 195882

25 Sep 195882

7 Jun 195877

9 Jul 195875

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.

← 29 Jun 1958 9 Jul 1958 →

About this page

Max Kp 9o, Ap 200: No. 13 of 34,615 days since 1932 by Ap.