condition	mean	min	max
4 h after light	37.72415	30.1863	45.262
8 h after light	31.699849999999998	31.5196	31.8801
12 h after light	44.182050000000004	42.1773	46.1868
4 h after dark	52.9445	50.1771	54.9154
8 h after dark	57.21236666666667	54.1619	59.3145
12 h after dark	43.15606666666667	40.4605	47.9831