condition mean min max 4 h after light 533.0277666666667 504.2646 575.0524 8 h after light 744.8377333333333 373.8224 1009.31 12 h after light 525.8304 427.8964 658.0816 16 h after light 492.0521 402.2392 651.1257 4 h after dark 434.22653333333335 416.6278 459.4134 8 h after dark 157.5674 114.0634 200.8271