condition	mean	min	max
4 h after light	14.663250000000001	13.7626	15.5639
8 h after light	18.453850000000003	17.8246	19.0831
12 h after light	20.0148	19.3795	20.6501
4 h after dark	25.56395	24.7313	26.3966
8 h after dark	18.086350000000003	17.9581	18.2146
12 h after dark	18.286450000000002	17.7271	18.8458