condition	mean	min	max
4 h after light	19.20701	18.607634	19.806386
8 h after light	18.793808	16.120294	21.467322
12 h after light	27.781617500000003	22.262995	33.30024
4 h after dark	22.489894	22.262995	22.716793
8 h after dark	23.738996	22.262995	25.214997
12 h after dark	23.559796	23.559796	23.559796