condition	mean	min	max
4 h after light	16.2318305	14.888824	17.574837
8 h after light	13.8102745	13.419001	14.201548
12 h after light	16.5219905	16.147993	16.895988
4 h after dark	18.480547	16.382495	20.578599
8 h after dark	24.199054500000003	16.093408	32.304701
12 h after dark	16.215645	16.215645	16.215645