condition mean min max 0 h after light 0.412163 0.360281 0.464045 4 h after light 0.3873795 0.355217 0.419542 8 h after light 1.2622650000000002 1.04784 1.47669 4 h after dark 1.39239 1.16722 1.61756 8 h after dark 1.347565 1.02235 1.67278 12 h after dark 0.859798 0.462596 1.257