condition mean min max 0 h after light 1.487665 1.36835 1.60698 2 h after light 0.9013365 0.685393 1.11728 4 h after light 0.5011225 0.243873 0.758372 8 h after light 1.762655 1.54161 1.9837 12 h after light 1.338935 1.18691 1.49096 2 h after dark 1.3810195 0.905059 1.85698 4 h after dark 2.07436 1.85319 2.29553 8 h after dark 2.223775 1.74896 2.69859 12 h after dark 1.88728 1.859 1.91556