condition	mean	min	max
4 h after light	4.550696666666667	4.532430000000001	4.57006
8 h after light	4.462683333333334	4.39645	4.50975
12 h after light	4.41697	4.30089	4.61926
4 h after dark	4.55032	4.52936	4.58131
8 h after dark	4.49828	4.47219	4.5281199999999995
12 h after dark	4.49369	4.36377	4.59894