condition mean min max 2 h after light 46.29513333333333 32.2023 59.8293 6 h after light 44.04513333333333 35.1405 48.735 10 h after light 55.29875 42.0144 70.1756 14 h after light 61.53938333333333 49.9631 76.4239 18 h after light 56.8389 47.3933 64.3657 2 h after dark 66.18268333333333 53.8911 73.3571