condition mean min max 4 h after light 365.317 338.9758 409.2303 8 h after light 274.7158 209.958 369.3304 12 h after light 237.8933 155.4628 282.7806 16 h after light 362.261 304.9981 395.458 4 h after dark 163.3343 147.313 186.3754 8 h after dark 56.12649 44.24315 67.92164