condition mean min max 3 h after light 509.0876666666667 470.24 553.557 6 h after light 470.313 384.354 524.105 9 h after light 556.52 466.248 675.681 12 h after light 657.03175 590.794 764.167 3 h after dark 625.34 557.331 691.068 6 h after dark 612.2496666666667 544.076 668.716 9 h after dark 510.72066666666666 455.793 561.182 12 h after dark 578.8130000000001 540.907 616.719