condition mean min max 4 h after light 3.38805 1.71918 4.52923 8 h after light 3.5571966666666666 1.12275 5.13299 12 h after light 2.7737100000000003 1.53514 4.14768 4 h after dark 2.9791833333333333 1.67103 3.81818 8 h after dark 2.1017033333333335 1.77051 2.31477 12 h after dark 1.56617 1.38688 1.79837