condition mean min max 4 h after light 430.39883050000003 349.344942 511.452719 8 h after light 436.0132335 398.684974 473.341493 12 h after light 397.7467615 354.001288 441.492235 4 h after dark 449.5356585 388.667026 510.404291 8 h after dark 466.37410550000004 457.355495 475.392716 12 h after dark 345.116216 345.116216 345.116216