condition	mean	min	max
4 h after light	23.00515	19.0748	26.9355
8 h after light	32.81045	32.6001	33.0208
12 h after light	26.85465	26.2349	27.4744
4 h after dark	26.601	25.8355	27.5741
8 h after dark	31.14	28.1156	32.8949
12 h after dark	24.185966666666666	22.7829	25.2809