condition	mean	min	max
4 h after light	3.427125	3.14555	3.7087
8 h after light	3.681985	3.26811	4.09586
12 h after light	4.293725	3.97308	4.61437
4 h after dark	6.659	6.33721	6.98079
8 h after dark	6.41414	6.16705	6.66123
12 h after dark	5.767155	5.59708	5.93723