condition	mean	min	max
4 h after light	11.91424	9.87788	13.9506
8 h after light	12.495999999999999	12.2425	12.7495
12 h after light	16.8963	15.9007	17.8919
4 h after dark	23.940066666666667	23.0124	25.0381
8 h after dark	15.886099999999999	13.7071	19.0676
12 h after dark	16.181966666666668	14.6289	17.2965