condition mean min max 0 h after light 14.952950000000001 14.7855 15.1204 4 h after light 82.02510000000001 68.6366 95.4136 8 h after light 118.5175 111.783 125.252 4 h after dark 57.98235 52.7907 63.174 8 h after dark 44.95385 40.5002 49.4075 12 h after dark 19.03995 14.458 23.6219