condition mean min max 4 h after light 0.1366698 0.0866106 0.186729 8 h after light 0.09168180000000001 0.0887778 0.0945858 12 h after light 0.01532385 0.0 0.0306477 4 h after dark 0.11736983333333334 0.0834315 0.146034 8 h after dark 0.26458133333333334 0.173255 0.40422 12 h after dark 0.399485 0.241909 0.600084