condition	mean	min	max
4 h after light	7.464169999999999	6.79492	8.13342
8 h after light	7.73737	7.46075	8.01399
12 h after light	10.374825	9.82885	10.9208
4 h after dark	14.57925	13.4725	15.686
8 h after dark	13.546050000000001	13.0928	13.9993
12 h after dark	12.4263	12.1068	12.7458