Year | Date | Minimum Sym-H (nT) |
1981 | April 13 | −343 |
1982 | March 2 | −252 |
July 14 | −436 | |
June 6 | −256 | |
1986 | February 9 | −379 |
1989 | March 14 | −720 |
September 19 | −292 | |
October 21 | −337 | |
November 17 | −332 | |
1990 | April 10 | −311 |
1991 | March 25 | −337 |
October 29 | −284 | |
November 9 | −402 | |
1992 | May 14 | −363 |
2000 | April 7 | −320 |
July 15 | −347 | |
2001 | March 31 | −435 |
April 11 | −280 | |
November 6 | −320 | |
2003 | October 31 | −429 |
November 20 | −490 | |
2004 | November 8 | −393 |
2005 | May 15 | -305 |