condition mean min max 4 h after light 519.9345 427.4303 631.6227 8 h after light 469.8549 292.0462 629.1033 12 h after light 366.2117666666667 319.7902 396.0839 16 h after light 651.9002333333333 166.9964 1587.684 4 h after dark 447.0199 413.8076 505.9598 8 h after dark 150.31206666666665 104.5283 187.4654