condition mean min max 2 h after light 44.9862 37.3905 59.306 6 h after light 38.9537 28.4909 46.2279 10 h after light 44.22055 28.1881 68.2276 14 h after light 45.72313333333333 26.5662 60.9036 18 h after light 40.95823333333333 34.5088 46.5024 2 h after dark 71.11891666666666 52.4544 85.5956