condition mean min max 0 h after light 1.337275 1.19918 1.47537 2 h after light 1.24867 1.0869 1.41044 4 h after light 1.3939 1.27648 1.51132 8 h after light 1.236535 0.99874 1.47433 12 h after light 1.093725 0.68823 1.49922 2 h after dark 0.8563875 0.830935 0.88184 4 h after dark 1.55555 1.53676 1.57434 8 h after dark 1.56088 1.54149 1.58027 12 h after dark 1.45725 1.0972 1.8173