condition	mean	min	max
4 h after light	5.18125	5.15695	5.20097
8 h after light	5.47067	5.3226	5.61625
12 h after light	5.557766666666667	5.43089	5.65476
4 h after dark	5.32281	5.28408	5.36388
8 h after dark	5.221089999999999	5.036169999999999	5.44618
12 h after dark	5.086276666666667	5.010680000000001	5.15203