condition mean min max 0 h after light 611.7615000000001 587.755 635.768 4 h after light 408.132 364.253 452.011 8 h after light 258.579 252.197 264.961 4 h after dark 429.773 428.127 431.419 8 h after dark 504.002 472.554 535.45 12 h after dark 565.9295 546.437 585.422