condition	mean	min	max
4 h after light	4.04986	3.98686	4.12782
8 h after light	3.98324	3.92999	4.03789
12 h after light	3.87513	3.8415800000000004	3.93379
4 h after dark	3.9047766666666663	3.83206	3.98791
8 h after dark	3.8519	3.68569	3.94645
12 h after dark	3.971156666666667	3.8094300000000003	4.08115