condition	mean	min	max
4 h after light	7.98551	7.74655	8.367189999999999
8 h after light	8.776693333333332	8.65086	8.99072
12 h after light	7.875676666666667	7.78425	7.99565
4 h after dark	7.405713333333334	7.16527	7.68416
8 h after dark	7.29644	7.0068399999999995	7.5770800000000005
12 h after dark	6.8534266666666666	6.4901800000000005	7.2943