condition	mean	min	max
4 h after light	10.96122	9.48394	12.4385
8 h after light	24.606	23.4968	25.7152
12 h after light	18.8164	17.357	20.2758
4 h after dark	16.47075	15.1063	17.8352
8 h after dark	11.47925	10.6402	12.3183
12 h after dark	12.9557	12.559	13.3524