condition	mean	min	max
4 h after light	6.09818	6.0182	6.14617
8 h after light	5.91465	5.84735	6.0090699999999995
12 h after light	5.921756666666666	5.8158199999999995	6.10176
4 h after dark	5.88137	5.7074300000000004	6.0144
8 h after dark	6.057223333333334	5.74239	6.46264
12 h after dark	6.02777	5.83195	6.32871