condition mean min max 0 h after light 0.66952 0.638234 0.700806 4 h after light 0.6700555 0.649154 0.690957 8 h after light 1.303977 0.843084 1.76487 4 h after dark 1.75508 1.57046 1.9397 8 h after dark 1.259945 1.20222 1.31767 12 h after dark 0.8471454999999999 0.636241 1.05805