condition mean min max 4 h after light 0.841291 0.0 1.75445 8 h after light 0.059967 0.0 0.179901 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.8630236666666666 0.661064 1.10096 12 h after dark 1.3569816666666668 0.869585 2.03876