IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)


February 2017

International quiet and disturbed days

Quietest days 1 - 5:142615128
6 - 10: 11211325K9
Most disturbed days 1 - 5:1217*3*24*

Geomagnetic Planetary Indices

Kp three-hourlydaily
12345678SumApCp
14+3+3+3o4o 5o3+5o31+281.2
23+4-4-3+3- 4-4-4+28+211.1
33+4-4+2+3o 3+3o3o26o181.0
42+3+3-2o2o 2-2+2+19-100.5
53o4-3o2o3- 3+4-2o23+150.8
63o3o2-2-3- 3o2+4-21o120.7
73-2+1o1+3- 2-2-1+15-70.4
81o0o1-1o2- 2-1o1+8+40.1
92o1+1o2-1o 2o2+2+14-60.3
102+1o2o1+2o 2+1+2+15-70.3
113-1o1-1-0+ 0o1-0+6+40.1
121-0o0+0+0+ 1+2-0+5o30.0
132+1+0+1-0+ 2o2-1+10o50.2
140o0o0o0o0o 0+1-1-2-10.0
150o0o1-1-1- 1-1+1-5-20.0
161-2o2+1-2+ 3+2+2o16-80.4
172-4-4+4o2+ 3+3-4o26o191.0
184+4+2+2-1+ 2o3o3+22+160.9
193o3+2+1o1+ 3-3o0+17o100.6
200+3+2-2-2o 3-3o1+16o90.5
212o2o1-0+0+ 1-0o2o8o40.1
224-3o2+2+1o 2-2-1-16+90.5
232-2+2o2-2+ 3+2+3o19-100.6
245-3+3o4o3+ 3-2-3-25+181.0
253-3-2-1+1- 0+0+2-11+60.3
261-1o0o0+1- 0o0o0o3-20.0
271-2-1o1+1+ 1o3o3-13-70.3
283-2+2-1+1+ 1-2+3-15o80.4
Mean100.48

Preliminary sudden commencements: none

Editor: Deutsches GeoForschungsZentrum Potsdam
Adolf-Schmidt-Observatorium für Geomagnetismus
Lindenstraße 7
D-14823 Niemegk
F.R. Germany