condition	mean	min	max
4 h after light	19.5653	17.4511	21.6795
8 h after light	16.5316	16.2376	16.8256
12 h after light	17.18995	16.2976	18.0823
4 h after dark	18.237	17.9502	18.5967
8 h after dark	24.500933333333336	23.6107	24.9841
12 h after dark	23.328666666666667	22.2061	24.9608