condition	mean	min	max
4 h after light	5.8486	5.75761	5.94319
8 h after light	5.944893333333333	5.79566	6.22708
12 h after light	5.34803	5.26693	5.4450199999999995
4 h after dark	5.449413333333333	5.20967	5.6260900000000005
8 h after dark	5.660473333333333	5.53892	5.87213
12 h after dark	5.815236666666666	5.61779	5.91775