condition	mean	min	max
4 h after light	14.990938499999999	12.487487	17.49439
8 h after light	18.664489	16.797472	20.531506
12 h after light	18.407125999999998	17.165725	19.648527
4 h after dark	18.570644	18.279337	18.861951
8 h after dark	24.3864375	20.505787	28.267088
12 h after dark	15.043904	15.043904	15.043904