condition	mean	min	max
4 h after light	4.06064	4.01201	4.09061
8 h after light	4.122613333333334	3.99275	4.2897
12 h after light	4.109843333333334	3.9871300000000005	4.26727
4 h after dark	4.083573333333334	3.99782	4.18803
8 h after dark	4.2244	4.14175	4.38917
12 h after dark	4.14436	4.09312	4.20749