condition	mean	min	max
4 h after light	10.5451	10.3752	10.715
8 h after light	15.3429	14.8463	15.8395
12 h after light	22.26045	21.0619	23.459
4 h after dark	14.952300000000001	14.2814	15.6232
8 h after dark	14.26295	13.9207	14.6052
12 h after dark	11.0658	10.6019	11.5297