condition	mean	min	max
4 h after light	13.87405	13.7381	14.01
8 h after light	22.9035	22.4859	23.3211
12 h after light	30.46365	28.1297	32.7976
4 h after dark	20.48496666666667	18.9619	21.4719
8 h after dark	17.3387	16.792	17.926
12 h after dark	14.768066666666668	13.5242	16.1536