condition	mean	min	max
0 h after light	17.764499999999998	17.5807	17.9483
4 h after light	18.61475	16.9095	20.32
8 h after light	30.54455	28.6086	32.4805
4 h after dark	38.25215	30.0852	46.4191
8 h after dark	25.1332	21.7871	28.4793
12 h after dark	21.73575	19.1191	24.3524