condition mean min max 4 h after light 827.8087654999999 806.369045 849.248486 8 h after light 828.5706885 779.279011 877.862366 12 h after light 705.703985 670.016982 741.390988 4 h after dark 690.6104505 644.29662 736.924281 8 h after dark 801.847743 772.924968 830.770518 12 h after dark 524.330972 524.330972 524.330972