condition	mean	min	max
4 h after light	3.6371700000000002	2.95246	4.32188
8 h after light	3.00141	2.97998	3.02284
12 h after light	3.600245	3.37418	3.82631
4 h after dark	3.4941166666666668	2.93876	3.94362
8 h after dark	3.52806	3.40261	3.67818
12 h after dark	3.45148	3.13223	3.75772