condition mean min max 4 h after light 617.0701333333333 597.1263 645.4549 8 h after light 689.8783333333333 516.9006 861.2435 12 h after light 533.5726 455.219 656.81 16 h after light 584.4506333333334 512.2929 724.0534 4 h after dark 685.4014999999999 611.9824 742.5088 8 h after dark 454.0729 343.0729 548.0906