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The Race for the Title of Warmest Year on Record

The 25 Hottest Years in the United States

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1895-2006 Global Warming Graph

Temperatures from 1895-2006 are on the rise possibly due to global warming. With average contiguous United States temperatures rising over the course of the last century, the mean temperatures seem to be accelerating at unprecedented levels.

National Climatic Data Center/NESDIS/NOAA
The data below comes from the 2006 annual climate summary from the National Oceanographic and Atmospheric Administration (NOAA). If you are arriving on this page without seeing the rest of the article, you can go back to the previous page for a full explanation of the climate data detailed here.

Is it Global Warming?

While you may want to jump to the conclusion that all of the hottest years listed below are due to global warming, bear in mind that there are a lot of factors and variables that can affect climate over the long term. In fact, that is one of the reasons there are two different data sets below.

Climate data analysis is very difficult. Climate models have to use supercomputers just to predict future climate trends. In fact, that is one of the main reasons global warming is given the status of a debate. But as with all facts, variables and interpretations can wreck havoc on the true science.

The Truth about Temperature Changes

Earth is warming. There is little doubt of this fact. But what exactly is the cause of the accelerated warmth we are experiencing? The question becomes then...Is the earth warming due to human activity?

Finally, do not underestimate our good friend El Nino. Currently, El Nino is the most likely cause for the unusually warm 2006. In fact, the ocean was also the culprit in the incredible heat waves of the 1930s that caused the Dust Bowl. Many are even asking...Can we have another dust bowl?

The answer is (unfortunately)...Yes.

The 25 Warmest Years on Record

Data in Years and Degrees Fahrenheit
Rank USHCN Version 1 USHCN Version 2 Beta
1200655.01199855.09
2199854.94200654.95
3193454.91199954.61
4199954.53193454.54
5192154.49192154.37
6193154.34199054.37
7199054.24200154.35
8200154.23200554.28
9195354.18193154.20
10195454.13195354.10
11200554.08198654.08
12198754.08198754.07
13198654.08199153.98
14193954.07200253.95
15193854.01200353.94
16198153.88200053.92
17199153.87193953.89
18200353.86195453.88
19200053.84193853.86
20194653.81198153.79
21193353.81200453.78
22200253.76199453.66
23200453.62193353.64
24199453.61194653.63
25194153.57199553.51
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