condition mean min max 4 h after light 10.801256666666667 10.733939999999999 10.8392 8 h after light 10.809653333333333 10.748619999999999 10.8527 12 h after light 10.96531 10.82569 11.05035 4 h after dark 11.022643333333335 10.939210000000001 11.06887 8 h after dark 11.02928 10.98206 11.0729 12 h after dark 10.92231 10.85643 11.04107