Legend linking the numeric values in the maps to the Köppen-Geiger classes.
The RGB colors used in Beck et al. (2023) are provided between brackets.

    1:  Af   Tropical, rainforest                  [0 0 255]
    2:  Am   Tropical, monsoon                     [0 120 255]
    3:  Aw   Tropical, savannah                    [70 170 250]
    4:  BWh  Arid, desert, hot                     [255 0 0]
    5:  BWk  Arid, desert, cold                    [255 150 150]
    6:  BSh  Arid, steppe, hot                     [245 165 0]
    7:  BSk  Arid, steppe, cold                    [255 220 100]
    8:  Csa  Temperate, dry summer, hot summer     [255 255 0]
    9:  Csb  Temperate, dry summer, warm summer    [200 200 0]
    10: Csc  Temperate, dry summer, cold summer    [150 150 0]
    11: Cwa  Temperate, dry winter, hot summer     [150 255 150]
    12: Cwb  Temperate, dry winter, warm summer    [100 200 100]
    13: Cwc  Temperate, dry winter, cold summer    [50 150 50]
    14: Cfa  Temperate, no dry season, hot summer  [200 255 80]
    15: Cfb  Temperate, no dry season, warm summer [100 255 80]
    16: Cfc  Temperate, no dry season, cold summer [50 200 0]
    17: Dsa  Cold, dry summer, hot summer          [255 0 255]
    18: Dsb  Cold, dry summer, warm summer         [200 0 200]
    19: Dsc  Cold, dry summer, cold summer         [150 50 150]
    20: Dsd  Cold, dry summer, very cold winter    [150 100 150]
    21: Dwa  Cold, dry winter, hot summer          [170 175 255]
    22: Dwb  Cold, dry winter, warm summer         [90 120 220]
    23: Dwc  Cold, dry winter, cold summer         [75 80 180]
    24: Dwd  Cold, dry winter, very cold winter    [50 0 135]
    25: Dfa  Cold, no dry season, hot summer       [0 255 255]
    26: Dfb  Cold, no dry season, warm summer      [55 200 255]
    27: Dfc  Cold, no dry season, cold summer      [0 125 125]
    28: Dfd  Cold, no dry season, very cold winter [0 70 95]
    29: ET   Polar, tundra                         [178 178 178]
    30: EF   Polar, frost                          [102 102 102]

Please cite Beck et al. (2023) when using the maps in any publication:

   Beck, H. E., T. R. McVicar, N. Vergopolan, A. Berg, N. J. Lutsko, A. Dufour,
   Z. Zeng, X. Jiang, A. I. J. M. van Dijk, and D. G. Miralles. High-resolution
   (1 km) Köppen-Geiger maps for 1901–2099 based on constrained CMIP6 
   projections, Scientific Data 10, 724 (2023).
