Yearly Temperatures of Bloomington, Indiana
There’s a very nice NASA-GISS site where you can click on a map of the United States to get monthly weather station temperatures since 1880. This will be useful to check out the facts when people say in conversation, “Oh, global warming has made it so much warmer this past few years around here.” Here’s some of the yearly averages for Bloomington, Indiana.

1980 11.71
1981 11.88
1982 11.08
1983 13.19
1984 11.3
1985 12.73
1986 12.39
1987 12.89
1988 12.11
1989 11.83
1990 12.32
1991 13.38
1992 12.18
1993 11.68
1994 11.97
1995 12.43
1996 10.91
1997 10.9
1998 13.64
1999 13.17
2000 12.06
2001 11.74
2002 12.76
2003 11.22
2004 12.26
2005 12.58