condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.5007231666666666 0.0968275 0.882077 12 h after light 0.6034229999999999 0.267939 1.15949 4 h after dark 0.302389 0.0 0.479734 8 h after dark 0.10682166666666666 0.0 0.320465 12 h after dark 0.059899 0.0 0.179697