condition mean min max 4 h after light 37.41083666666667 31.52903 46.02406 8 h after light 49.728213333333336 31.625390000000003 69.17284000000001 12 h after light 21.730173333333333 16.81285 26.89012 16 h after light 54.915330000000004 38.05731 70.7906 4 h after dark 101.93672 90.16076 110.3393 8 h after dark 49.30731333333333 44.949490000000004 52.92846