condition	mean	min	max
0 h after light	20.220950000000002	19.7474	20.6945
4 h after light	23.8536	22.7473	24.9599
8 h after light	20.7479	20.7059	20.7899
4 h after dark	21.82915	21.1046	22.5537
8 h after dark	20.5288	20.4231	20.6345
12 h after dark	19.221249999999998	18.4167	20.0258