condition	mean	min	max
4 h after light	23.05445	19.7017	26.4072
8 h after light	18.492449999999998	18.1356	18.8493
12 h after light	22.6315	22.6241	22.6389
4 h after dark	32.1399	31.3223	32.9575
8 h after dark	28.1432	27.5139	28.7725
12 h after dark	26.50285	25.5065	27.4992