condition mean min max 2 h after light 172.5235 159.439 186.067 6 h after light 160.09133333333332 137.588 177.955 10 h after light 166.27283333333332 119.755 236.487 14 h after light 173.64733333333334 141.354 202.525 18 h after light 163.5665 130.675 179.884 2 h after dark 176.2505 141.724 207.205