condition	mean	min	max
4 h after light	14.932	14.2789	15.5851
8 h after light	16.0117	14.5256	17.4978
12 h after light	16.0551	14.3057	17.8045
4 h after dark	21.75895	20.6713	22.8466
8 h after dark	27.643	26.3019	28.9841
12 h after dark	22.8619	20.1343	25.5895