condition mean min max 0 h after light 40.3156 38.4995 42.1317 2 h after light 14.81185 13.8844 15.7393 4 h after light 21.33415 18.0103 24.658 8 h after light 58.089150000000004 52.8667 63.3116 12 h after light 75.51905 71.8906 79.1475 2 h after dark 85.99324999999999 83.2975 88.689 4 h after dark 80.1909 76.2702 84.1116 8 h after dark 75.09145000000001 70.5804 79.6025 12 h after dark 53.293350000000004 46.5013 60.0854