condition mean min max 3 h after light 1.6300366666666668 1.17567 2.48903 6 h after light 0.6895016666666667 0.634514 0.756857 9 h after light 0.237031 0.15039 0.298179 12 h after light 0.1805674 0.0910692 0.318995 3 h after dark 0.0830105 0.0484369 0.110444 6 h after dark 0.100377 0.0 0.185689 9 h after dark 0.08888833333333333 0.0 0.148484 12 h after dark 0.0520403 0.0 0.108204