condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.038695 0.0 0.116085 12 h after light 0.0 0.0 0.0 4 h after dark 0.047412333333333334 0.0 0.142237 8 h after dark 0.150029 0.0 0.236805 12 h after dark 0.16670933333333335 0.0 0.500128