condition mean min max 2 h after light 526.4765 378.876 754.146 6 h after light 625.9010000000001 499.251 773.934 10 h after light 646.8801666666667 557.46 723.119 14 h after light 497.92633333333333 398.52 550.758 18 h after light 520.2575 456.2 635.34 2 h after dark 434.0015 339.44 516.275