condition	mean	min	max
0 h after light	14.413599999999999	14.0559	14.7713
4 h after light	17.29905	17.1871	17.411
8 h after light	19.5426	17.8851	21.2001
4 h after dark	19.31915	17.7815	20.8568
8 h after dark	16.76635	16.0827	17.45
12 h after dark	14.131	13.1928	15.0692