condition	mean	min	max
4 h after light	14.217376666666667	12.22387	15.2166
8 h after light	11.203553	5.213919000000001	17.76834
12 h after light	12.9468	12.29931	14.11933
16 h after light	15.193553333333332	11.636330000000001	21.029729999999997
4 h after dark	18.12125	16.23484	19.32764
8 h after dark	12.248443	9.490049	14.398279999999998