condition mean min max 4 h after light 345.1 345.1 345.1 8 h after light 301.35 255.4 347.3 12 h after light 261.6 231.7 291.5 4 h after dark 310.29999999999995 306.4 314.2 8 h after dark 297.4 295.0 299.8 12 h after dark 342.05 331.6 352.5