condition	mean	min	max
4 h after light	54.475899999999996	52.0616	56.8902
8 h after light	39.6588	38.9848	40.3328
12 h after light	49.5111	46.2768	52.7454
4 h after dark	68.8923	64.9516	72.833
8 h after dark	56.1737	55.499	56.8484
12 h after dark	59.3596	59.157	59.5622