condition mean min max 4 h after light 10.5159015 9.516667 11.515136 8 h after light 10.682446500000001 9.955063 11.40983 12 h after light 11.0287265 9.958561 12.098892 4 h after dark 9.252632 8.605192 9.900072 8 h after dark 10.743375499999999 9.58828 11.898471 12 h after dark 14.035453 14.035453 14.035453