condition	mean	min	max
4 h after light	14.27075	13.6625	14.879
8 h after light	13.45275	13.3195	13.586
12 h after light	19.1369	18.3001	19.9737
4 h after dark	19.572200000000002	18.8667	20.2777
8 h after dark	20.4472	19.5187	21.3757
12 h after dark	20.32655	20.26	20.3931