condition mean min max 3 h after light 1.56656475 0.268289 3.18822 7 h after light 1.47943425 0.588929 2.77972 11 h after light 1.780781 0.406048 3.00068 2 h after dark 2.3218305833333335 0.423591 4.17774 6 h after dark 2.7041475 0.61012 4.92591 10 h after dark 2.06731925 0.561266 4.11765