condition	mean	min	max
4 h after light	9.05836	8.657796	9.458924
8 h after light	8.734555	8.193597	9.275513
12 h after light	8.8944705	8.264202	9.524739
4 h after dark	8.074627	7.938313	8.210941
8 h after dark	8.8613515	8.733849	8.988854
12 h after dark	9.888491	9.888491	9.888491