condition	mean	min	max
4 h after light	1.629405	1.57904	1.67977
8 h after light	5.64656	5.27628	6.01684
12 h after light	4.057965	3.82933	4.2866
4 h after dark	4.96559	4.73168	5.1995
8 h after dark	3.66299	3.4942	3.83178
12 h after dark	3.279675	3.23966	3.31969