condition mean min max 3 h after light 343.831 327.591 358.368 6 h after light 352.273 298.246 403.742 9 h after light 231.819 209.967 246.397 12 h after light 142.497 106.71 195.651 3 h after dark 30.7372 21.9466 46.3894 6 h after dark 34.44873333333333 21.9773 43.4618 9 h after dark 121.04166666666667 82.465 143.676 12 h after dark 289.2393333333333 228.833 320.209