condition mean min max 4 h after light 543.5014 475.2253 588.2526 8 h after light 477.78516666666667 282.8439 672.7269 12 h after light 432.1759 347.89 558.7825 16 h after light 659.3941333333333 519.1632 836.8991 4 h after dark 677.0039333333333 666.977 696.8677 8 h after dark 444.8307 352.1731 534.2784