condition mean min max 3 h after light 1.03655305 0.0878676 2.29376 7 h after light 2.1787779166666668 0.528589 5.52098 11 h after light 2.2358480833333334 0.754997 3.71967 2 h after dark 1.2275575833333334 0.545393 2.36129 6 h after dark 0.8495865833333334 0.278249 1.66062 10 h after dark 0.6606086416666667 0.0671647 1.27007