condition mean min max 4 h after light 8.752255 6.33121 11.1733 8 h after light 12.535250000000001 11.6043 13.4662 12 h after light 69.61585 65.9451 73.2866 4 h after dark 39.453266666666664 38.0575 41.9361 8 h after dark 34.61763333333334 28.8166 38.819 12 h after dark 15.012433333333334 14.5776 15.2891