condition mean min max 4 h after light 660.0136245 653.861445 666.165804 8 h after light 655.0887970000001 552.648978 757.528616 12 h after light 661.8954905 597.887546 725.903435 4 h after dark 794.122384 624.476328 963.76844 8 h after dark 881.3003120000001 695.523325 1067.077299 12 h after dark 675.847589 675.847589 675.847589