condition	mean	min	max
4 h after light	9.021356666666668	8.796510000000001	9.41264
8 h after light	8.285786666666667	8.139510000000001	8.48135
12 h after light	8.449860000000001	8.17698	8.68392
4 h after dark	8.791056666666666	8.68955	8.98255
8 h after dark	9.03698	8.84527	9.39217
12 h after dark	9.26255	9.00964	9.66382