condition	mean	min	max
4 h after light	17.875856499999998	16.872649	18.879064
8 h after light	18.215556	16.15804	20.273072
12 h after light	17.107974499999997	15.683881	18.532068
4 h after dark	23.933602999999998	22.337018	25.530188
8 h after dark	39.0101865	25.289983	52.73039
12 h after dark	17.24701	17.24701	17.24701