condition mean min max 4 h after light 1460.0 1460.0 1460.0 8 h after light 1610.0500000000002 1418.7 1801.4 12 h after light 1090.3 456.9 1723.7 4 h after dark 869.45 556.2 1182.7 8 h after dark 811.75 709.3 914.2 12 h after dark 733.4 727.4 739.4