condition	mean	min	max
4 h after light	8.600019999999999	8.435039999999999	8.74713
8 h after light	8.664706666666667	8.5104	8.8764
12 h after light	8.676683333333333	8.52374	8.86588
4 h after dark	9.021040000000001	8.89126	9.21415
8 h after dark	9.035266666666667	8.78939	9.3612
12 h after dark	8.778459999999999	8.64643	8.86201