condition	mean	min	max
4 h after light	3.621512333333333	3.5371099999999998	3.7482889999999998
8 h after light	3.154122666666667	3.0607029999999997	3.299643
12 h after light	2.0073003333333332	1.5329700000000002	2.717879
16 h after light	3.6301376666666663	3.336205	4.095587999999999
4 h after dark	4.706660333333334	2.8409720000000003	7.8520270000000005
8 h after dark	2.0534623333333335	1.643271	2.6008560000000003