text: For the hindcast period of 1861 to 2005, the model mean of the outgoing longwave radiation declines at a rate of about -0.1 watts/m^2/decade. The model with the slowest decline during the hindcast has a trend of about -0.02 watts/m^2/decade, while the model with the fastest decline from 1861-2005 has a trend of about -0.17 watts/m^2/decade. That is, theres a spread of about 0.15 watts/m^2/decade during the hindcast.