condition	mean	min	max
4 h after light	4.32155	3.91343	4.72967
8 h after light	4.188295	4.11819	4.2584
12 h after light	4.04026	3.91908	4.16144
4 h after dark	4.773483333333333	4.41841	5.03813
8 h after dark	4.3980033333333335	4.13395	4.66021
12 h after dark	3.9816366666666667	3.76408	4.20882