condition	mean	min	max
4 h after light	5.965165	5.56924	6.36109
8 h after light	6.43679	6.09034	6.78324
12 h after light	7.771855	7.30551	8.2382
4 h after dark	8.996469999999999	7.92024	10.0727
8 h after dark	7.696809999999999	7.07492	8.3187
12 h after dark	7.927695	7.82342	8.03197