
A reconstruction of daily weather back to 1806 puts current climate trends into historical perspective.
Historical weather reconstructions, or reanalyses, combine weather model output and observations from many sources to estimate the state of the atmosphere at a particular instant in time, over the entire globe. Reanalyses provide the context for understanding how weather and climate events and trends are changing over time and support improved prediction of future changes.
An interagency partnership between NOAA and DOE supported an...