condition	mean	min	max
4 h after light	4.020275	3.2394	4.80115
8 h after light	3.41495	3.26005	3.56985
12 h after light	3.6072550000000003	3.60541	3.6091
4 h after dark	4.01129	3.54609	4.60096
8 h after dark	3.5121933333333333	3.1804	3.77327
12 h after dark	3.7404266666666666	3.20801	4.48129