condition mean min max 4 h after light 0.0407476 0.0 0.0814952 8 h after light 0.03951095 0.0183959 0.060626 12 h after light 0.0528556 0.0447018 0.0610094 4 h after dark 0.131476 0.053098 0.216816 8 h after dark 0.042169766666666664 0.0269797 0.0637072 12 h after dark 0.03322156666666667 0.0 0.0627382