condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.39365133333333335 0.188649 0.620538 4 h after dark 0.17320233333333335 0.0 0.519607 8 h after dark 0.0 0.0 0.0 12 h after dark 0.5544376666666667 0.0 0.836003