condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.00278451 0.0 0.00556902 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 1.172915 0.0 2.34583 4 h after dark 0.3535245 0.0 0.707049 8 h after dark 0.0 0.0 0.0 12 h after dark 0.122356 0.0 0.244712