condition mean min max 4 h after light 0.2600935 0.2286 0.291587 8 h after light 0.2497895 0.181142 0.318437 12 h after light 0.1782365 0.168873 0.1876 4 h after dark 0.672349 0.510699 0.850822 8 h after dark 0.8744706666666667 0.707017 0.98972 12 h after dark 0.997821 0.550983 1.41828