As of Aug 2012, using NOAA data, this is a list of States with a negative (or zero) temperature trend (in Fahrenheit per decade) from Sept 1997 to Aug 2012 (15 years).
| State | Trend F/Decade |
| Washington | -1.23 |
| South Dakota | -1.02 |
| North Dakota | -0.99 |
| Montana | -0.98 |
| Idaho | -0.79 |
| Nebraska | -0.78 |
| Minnesota | -0.72 |
| Oregon | -0.67 |
| Iowa | -0.63 |
| Utah | -0.57 |
| Wisconsin | -0.57 |
| Colorado | -0.31 |
| Kansas | -0.28 |
| Michigan | -0.24 |
| Arizona | -0.21 |
| Florida | -0.21 |
| Nevada | -0.2 |
| Kentucky | -0.16 |
| Wyoming | -0.16 |
| Georgia | -0.07 |
| Illinois | -0.05 |
| Pennsylvania | -0.03 |
| Arkansas | -0.01 |
| Texas | -0.01 |
