condition mean min max 0 h after light 0.8540725 0.669135 1.03901 4 h after light 1.049101 0.999092 1.09911 8 h after light 0.6385205 0.548833 0.728208 4 h after dark 1.251425 1.08434 1.41851 8 h after dark 1.2239 1.12977 1.31803 12 h after dark 0.757555 0.534589 0.980521