condition	mean	min	max
4 h after light	4.213583333333333	4.14144	4.31234
8 h after light	4.271393333333333	4.20613	4.36112
12 h after light	4.23601	4.07353	4.32381
4 h after dark	4.23078	4.20171	4.28724
8 h after dark	4.274013333333333	4.17967	4.3485
12 h after dark	4.25942	4.165430000000001	4.4372