condition	mean	min	max
4 h after light	12.74675	11.8962	13.5973
8 h after light	15.20815	14.3836	16.0327
12 h after light	18.405949999999997	17.3678	19.4441
4 h after dark	23.2154	19.3153	29.4127
8 h after dark	20.893833333333333	17.8163	25.6973
12 h after dark	16.737933333333334	13.4101	20.6129