condition mean min max 2 h after light 39.29723333333333 33.8982 45.5408 6 h after light 32.9388 30.3928 38.8233 10 h after light 54.33715 45.072 71.5598 14 h after light 60.62375 48.6526 69.2656 18 h after light 49.16641666666667 39.8224 55.5949 2 h after dark 63.2472 59.7943 66.5883