condition mean min max 4 h after light 1.299224 0.826158 1.77229 8 h after light 1.092709 0.941588 1.24383 12 h after light 1.127285 0.88138 1.37319 4 h after dark 0.6878386666666666 0.323055 1.1074 8 h after dark 1.0639836666666667 0.511031 1.34132 12 h after dark 1.41495 1.3275 1.47166