condition	mean	min	max
4 h after light	11.367500999999999	8.447923	13.080639999999999
8 h after light	7.359487333333334	6.431716000000001	7.859375
12 h after light	11.067645666666667	9.233907	12.57702
16 h after light	11.850525	7.224505000000001	17.9423
4 h after dark	15.604310000000002	14.04582	17.006970000000003
8 h after dark	12.129103666666667	9.792071	15.46181