condition	mean	min	max
4 h after light	9.939125	8.58015	11.2981
8 h after light	9.982185000000001	8.45837	11.506
12 h after light	12.3719	11.8467	12.8971
4 h after dark	21.912399999999998	21.5627	22.2621
8 h after dark	21.5073	21.1326	21.882
12 h after dark	18.203049999999998	16.9611	19.445