condition	mean	min	max
4 h after light	70.4572	60.6735	80.2409
8 h after light	49.68195	44.3872	54.9767
12 h after light	74.37375	71.7292	77.0183
4 h after dark	110.07666666666667	106.942	112.488
8 h after dark	140.42066666666668	126.983	149.512
12 h after dark	104.2928	94.7034	111.212