condition mean min max 4 h after light 693.8 693.8 693.8 8 h after light 519.9 437.7 602.1 12 h after light 565.15 498.4 631.9 4 h after dark 614.0 576.8 651.2 8 h after dark 693.5999999999999 591.4 795.8 12 h after dark 674.0999999999999 616.9 731.3