condition	mean	min	max
4 h after light	50.3548	49.5211	51.1885
8 h after light	67.24600000000001	66.1795	68.3125
12 h after light	77.04169999999999	66.4703	87.6131
4 h after dark	38.327466666666666	34.8421	40.8088
8 h after dark	36.0262	34.6543	38.0178
12 h after dark	52.0072	41.804	61.3167