condition	mean	min	max
4 h after light	20.4395085	20.328939	20.550078
8 h after light	18.754212	18.663193	18.845231
12 h after light	22.043875999999997	20.550078	23.537674
4 h after dark	22.698038500000003	19.647055	25.749022
8 h after dark	22.5232055	20.550078	24.496333
12 h after dark	20.950368	20.950368	20.950368