condition mean min max 4 h after light 260.0988 239.0872 280.6464 8 h after light 308.1986 245.7299 396.3432 12 h after light 321.8405 281.8894 381.3613 16 h after light 419.2839333333333 370.2468 516.1306 4 h after dark 337.5367333333333 322.8793 345.5223 8 h after dark 209.4887 144.6898 244.4119