How Can Anyone Deny Global Warming?
| Annual Mean | |
|---|---|
| 1900 | 31.73 |
| 1910 | 31.172 |
| 1920 | 31.53 |
| 1930 | 31.784 |
| 1940 | 32.126 |
| 1950 | 31.658 |
| 1960 | 31.928 |
| 1970 | 32.072 |
| 1980 | 32.414 |
| 1990 | 32.702 |
| 2000 | 32.738 |
| 2010 | 33.206 |
Global Surface Temperature (Fahrenheit)
Sources:
nationalmemo.com
