condition	mean	min	max
4 h after light	2.5477049999999997	2.44658	2.64883
8 h after light	2.5089249999999996	2.46594	2.55191
12 h after light	2.0745750000000003	2.02827	2.12088
4 h after dark	2.5633666666666666	2.39823	2.66832
8 h after dark	2.5822233333333333	2.34208	2.70244
12 h after dark	2.644163333333333	2.40689	2.97862