condition mean min max 4 h after light 0.7195155 0.445166 0.993865 8 h after light 0.067626 0.0 0.135252 12 h after light 0.11911155 0.0730371 0.165186 4 h after dark 0.19320305 0.0976451 0.288761 8 h after dark 0.38482099999999997 0.239053 0.530589 12 h after dark 0.504826 0.439801 0.569851