condition	mean	min	max
4 h after light	12.575700000000001	11.2604	13.891
8 h after light	10.603745	9.74189	11.4656
12 h after light	8.375415	7.82973	8.9211
4 h after dark	13.3668	13.2046	13.529
8 h after dark	15.23215	14.9931	15.4712
12 h after dark	14.262599999999999	14.0676	14.4576