condition	mean	min	max
4 h after light	13.0767	13.01295	13.11447
8 h after light	13.20085	13.075610000000001	13.297920000000001
12 h after light	12.556333333333333	12.39744	12.7162
4 h after dark	12.281826666666667	12.00883	12.54354
8 h after dark	11.97622	11.68073	12.14884
12 h after dark	11.426743333333334	11.00646	11.82437