condition	mean	min	max
4 h after light	20.6828	20.2116	21.154
8 h after light	19.0106	18.6934	19.3278
12 h after light	21.4321	20.0909	22.7733
4 h after dark	30.4833	26.8834	34.0832
8 h after dark	28.7066	27.3601	30.0531
12 h after dark	27.5613	27.3203	27.8023