IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)

April 2019

International quiet and disturbed days

Geomagnetic Planetary Indices

Kp three-hourly									daily
	1	2	3	4	5	6	7	8	Sum	Ap	Cp
1	2+	2-	2o	3-	2o	2o	1-	0o	13+	6	0.3
2	1-	0+	1-	0+	1-	1-	3+	3o	10-	6	0.3
3	2+	3+	3-	2-	2+	2-	2o	3-	19-	10	0.6
4	3-	2-	1+	2+	3-	4-	2+	1o	18-	10	0.6
5	3o	3+	3-	2-	3-	2+	3-	3-	21o	12	0.7
6	2+	3o	2-	1+	1-	1o	2o	1+	13+	7	0.3
7	0+	2-	0+	1o	2-	1-	1+	2o	9o	4	0.2
8	3-	3+	2+	2-	3o	3o	2o	2+	20+	11	0.7
9	3+	2o	2+	2o	2-	2+	2o	2o	18-	9	0.5
10	4-	4o	3-	1o	2o	3+	3o	1+	21o	14	0.8
11	1+	3-	2-	2o	2o	2o	1-	1-	13o	6	0.3
12	3o	2-	1+	1o	2-	2-	2-	2+	14+	7	0.4
13	3o	3o	2-	0+	1o	1-	2o	1+	13o	7	0.4
14	1-	2-	2-	0+	1-	1-	0+	1+	7+	4	0.1
15	1+	1+	2+	2+	1+	1-	2+	2o	14-	6	0.3
16	2o	2-	2+	1+	1+	1-	1+	1-	11+	5	0.2
17	1-	1-	0o	0+	0o	1-	2-	1+	5+	3	0.0
18	0o	0o	0o	0o	1o	1-	1-	1-	3o	2	0.0
19	0o	0+	1+	1+	1+	1o	2-	1o	8o	4	0.1
20	1o	1-	1-	1-	1-	1-	1+	1o	7-	4	0.1
21	2-	1o	1-	1-	1-	0+	0+	0+	6-	3	0.1
22	0o	0o	1o	0+	1o	1+	1o	0+	5o	3	0.0
23	1o	0+	0+	1-	1-	2+	3+	3+	12o	7	0.4
24	3o	1+	0+	2-	2+	2-	1-	1+	12+	6	0.3
25	1o	2-	2-	2-	2-	0+	1o	0+	9+	4	0.2
26	1-	0o	0+	1-	1-	1+	1+	2-	7-	3	0.1
27	1o	0+	2o	2-	1+	1o	2o	2o	11+	5	0.2
28	1-	0+	1o	0+	1-	1+	2o	2o	8+	4	0.1
29	2-	1o	0o	1o	1+	2o	1-	1o	9-	4	0.1
30	2-	1o	0o	1-	1o	1o	2-	1+	8+	4	0.1
									Mean	6	0.28

Preliminary sudden commencements: none