condition mean min max 0 h after light 0.175938 0.0 0.351876 4 h after light 0.177334 0.115644 0.239024 8 h after light 0.2354385 0.232085 0.238792 4 h after dark 0.2303915 0.0 0.460783 8 h after dark 0.115518 0.0 0.231036 12 h after dark 0.3475765 0.343749 0.351404