condition mean min max 0 h after light 1.9313950000000002 1.80507 2.05772 4 h after light 1.347148 0.981906 1.71239 8 h after light 0.591247 0.443524 0.73897 4 h after dark 1.23225 1.22746 1.23704 8 h after dark 2.5853 2.53459 2.63601 12 h after dark 1.22899 1.18105 1.27693