condition mean min max 0 h after light 2.569605 2.09037 3.04884 2 h after light 1.61775 1.41857 1.81693 4 h after light 1.948265 1.78139 2.11514 8 h after light 1.702445 1.46241 1.94248 12 h after light 2.333635 1.89629 2.77098 2 h after dark 3.571225 2.9157 4.22675 4 h after dark 2.8395400000000004 2.78684 2.89224 8 h after dark 4.504795 4.47483 4.53476 12 h after dark 3.078755 2.63053 3.52698