condition	mean	min	max
4 h after light	3.405215	3.29269	3.51774
8 h after light	4.03388	4.02066	4.0471
12 h after light	3.8888299999999996	3.7399	4.03776
4 h after dark	5.438335	5.33947	5.5372
8 h after dark	4.35527	4.0299	4.68064
12 h after dark	4.28491	4.16278	4.40704