condition mean min max 4 h after light 249.81215099999997 193.092343 306.531959 8 h after light 636.258722 399.969385 872.548059 12 h after light 752.0859069999999 578.977144 925.19467 4 h after dark 1217.1663445 731.770518 1702.562171 8 h after dark 804.7027645000001 797.711934 811.693595 12 h after dark 526.220188 526.220188 526.220188