condition mean min max 4 h after light 0.0103104 0.0 0.0206208 8 h after light 0.00835345 0.0 0.0167069 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0087988 0.0 0.0175976