condition	mean	min	max
4 h after light	7.596475	6.80843	8.38452
8 h after light	8.894895	8.80008	8.98971
12 h after light	9.163170000000001	8.52282	9.80352
4 h after dark	9.808345	9.42679	10.1899
8 h after dark	9.011790000000001	8.08759	9.93599
12 h after dark	9.86266	9.72793	9.99739