condition mean min max 4 h after light 430.64475400000003 392.477029 468.812479 8 h after light 617.998024 429.852729 806.143319 12 h after light 785.5793880000001 644.955987 926.202789 4 h after dark 668.5867390000001 662.803755 674.369723 8 h after dark 637.4902985 572.093893 702.886704 12 h after dark 274.588056 274.588056 274.588056