condition	mean	min	max
4 h after light	6.00723	5.76363	6.18494
8 h after light	5.82761	5.6548300000000005	6.06853
12 h after light	5.85153	5.48409	6.388719999999999
4 h after dark	5.717083333333333	5.55885	5.95103
8 h after dark	5.948103333333333	5.5883	6.29314
12 h after dark	5.797546666666666	5.6306	6.1067