Extended Data Figure 2: The fraction of land area, expressed as decadal means for 1900–1999, exceeding a given wetness or dryness threshold in the gridded reconstruction, model simulations, and instrumental precipitation data.
From: Northern Hemisphere hydroclimate variability over the past twelve centuries
a, Weighted gridded proxy reconstruction derived from the subset containing only hydroclimate records resolved decadally or better. b, The same as a but for median-model anomaly values of annual precipitation. c, The same as a and b but for the Global Historical Climatology Network 5° × 5° (GHCN5) instrumental annual precipitation data. All decadal average values are standardized over the 1910–1979 period, and model and instrumental values are extracted from grid cells covered by gridded reconstructed values. The red horizontal bars denote the 50% levels.
