condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.40135566666666667 0.0 0.613177 3 h after dark 0.0 0.0 0.0 6 h after dark 0.23223366666666667 0.0 0.696701 9 h after dark 0.46587433333333333 0.0 0.99976 12 h after dark 0.0 0.0 0.0