condition mean min max 4 h after light 0.877141 0.659012 0.995663 8 h after light 0.6391243333333333 0.115896 1.24677 12 h after light 1.04154 0.495304 1.75866 4 h after dark 1.194139 0.790587 1.77471 8 h after dark 1.3664133333333333 1.0687 1.55841 12 h after dark 1.015035 0.533325 1.42871