condition	mean	min	max
4 h after light	4.8582	4.44223	5.27417
8 h after light	5.36982	5.3237	5.41594
12 h after light	5.375954999999999	5.03679	5.71512
4 h after dark	6.19722	6.15275	6.24169
8 h after dark	5.98046	5.95398	6.00694
12 h after dark	5.450699999999999	5.12897	5.77243