condition	mean	min	max
4 h after light	13.993248999999999	13.408612	14.577886
8 h after light	14.6474555	13.046904	16.248007
12 h after light	16.004171	14.74738	17.260962
4 h after dark	15.093664	14.31532	15.872008
8 h after dark	13.32371	12.069534	14.577886
12 h after dark	13.569416	13.569416	13.569416