condition mean min max 0 h after light 1.921795 1.77819 2.0654 2 h after light 1.866235 1.5761 2.15637 4 h after light 1.4037549999999999 1.23847 1.56904 8 h after light 1.90568 1.685 2.12636 12 h after light 2.31914 2.02093 2.61735 2 h after dark 1.6507399999999999 1.51898 1.7825 4 h after dark 1.601365 1.49366 1.70907 8 h after dark 1.9879149999999999 1.89479 2.08104 12 h after dark 1.978075 1.69832 2.25783