1978Year 3 of solar cycle 21

Geomagnetic storms of 1978

1978 had 71 geomagnetic storms reaching Kp 5 or more, 13 of them strong (G3 or above); the strongest reached Kp 8+. Every storm with its dates, and the Kp of every day of the year.

71Every storm

13G3–G5

Kp 8+Peak Kp

111days at Kp 5 or more

The year day by day

the day's highest Kp

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Kp 0–3Kp 4Kp 5 · G1Kp 6 · G2Kp 7 · G3Kp 8 · G4Kp 9 · G5

Every storm · 1978

8Jan

4Feb

6Mar

7Apr

7May

8Jun

3Jul

7Aug

5Sep

3Oct

5Nov

8Dec

Date	Level	Peak Kp	Hours at Kp 5 or more	ap
3 – 5 January 1978	G3	Kp 7+	33	154
6 January 1978	G2	Kp 6	6	80
7 – 8 January 1978	G1	Kp 5	6	48
9 – 10 January 1978	G1	Kp 5	9	48
18 January 1978	G1	Kp 5−	3	39
26 January 1978	G1	Kp 5−	3	39
29 January 1978	G2	Kp 6−	9	67
30 January 1978	G2	Kp 6+	9	94
15 February 1978	G3	Kp 7+	9	154
22 February 1978	G1	Kp 5−	3	39
25 – 26 February 1978	G1	Kp 5	18	48
27 February – 2 March 1978	G2	Kp 6+	42	94
8 March 1978	G1	Kp 5+	6	56
15 March 1978	G1	Kp 5−	3	39
16 March 1978	G1	Kp 5−	3	39
17 March 1978	G1	Kp 5−	3	39
23 March 1978	G1	Kp 5−	3	39
26 – 27 March 1978	G3	Kp 7−	39	111
2 – 5 April 1978	G3	Kp 7	39	132
10 – 12 April 1978	G4	Kp 8−	27	179
13 – 15 April 1978	G2	Kp 6+	21	94
18 April 1978	G1	Kp 5−	3	39
19 – 20 April 1978	G2	Kp 6−	15	67
24 – 25 April 1978	G2	Kp 6	18	80
30 April – 4 May 1978	G4	Kp 8+	93	236
9 May 1978	G4	Kp 8−	21	179
10 – 11 May 1978	G2	Kp 6	9	80
13 May 1978	G1	Kp 5−	3	39
21 – 22 May 1978	G2	Kp 6	9	80
22 May 1978	G1	Kp 5−	3	39
23 – 24 May 1978	G1	Kp 5+	9	56
30 May 1978	G1	Kp 5	3	48
2 – 3 June 1978	G3	Kp 7+	21	154
3 June 1978	G1	Kp 5−	3	39
4 – 5 June 1978	G2	Kp 6+	9	94
10 – 11 June 1978	G2	Kp 6	6	80
21 June 1978	G1	Kp 5+	12	56
24 June 1978	G1	Kp 5−	3	39
25 – 26 June 1978	G2	Kp 6−	21	67
29 – 30 June 1978	G4	Kp 8−	9	179
3 – 5 July 1978	G4	Kp 8	24	207
13 – 14 July 1978	G2	Kp 6−	21	67
18 July 1978	G1	Kp 5	3	48
4 August 1978	G2	Kp 6−	6	67
6 August 1978	G1	Kp 5−	3	39
12 August 1978	G1	Kp 5	6	48
18 August 1978	G2	Kp 6	3	80
27 August 1978	G1	Kp 5−	3	39
28 – 29 August 1978	G4	Kp 8+	36	236
30 – 31 August 1978	G2	Kp 6+	21	94
1 September 1978	G1	Kp 5	3	48
2 September 1978	G1	Kp 5−	3	39
8 September 1978	G2	Kp 6−	6	67
9 September 1978	G1	Kp 5	9	48
25 – 29 September 1978	G4	Kp 8	72	207
18 October 1978	G1	Kp 5+	6	56
26 – 27 October 1978	G1	Kp 5+	9	56
30 October 1978	G1	Kp 5−	6	39
7 November 1978	G1	Kp 5	3	48
10 November 1978	G1	Kp 5	6	48
12 November 1978	G2	Kp 6	18	80
22 November 1978	G1	Kp 5	6	48
25 – 26 November 1978	G3	Kp 7	24	132
14 December 1978	G2	Kp 6−	6	67
15 December 1978	G2	Kp 6+	3	94
18 December 1978	G2	Kp 6−	15	67
19 December 1978	G1	Kp 5−	3	39
25 December 1978	G2	Kp 6−	3	67
28 December 1978	G1	Kp 5−	3	39
29 – 30 December 1978	G1	Kp 5	9	48
30 – 31 December 1978	G1	Kp 5−	6	39