condition mean min max 2 h after light 89.37891666666667 64.7644 106.94 6 h after light 85.33948333333333 63.9114 111.078 10 h after light 70.12776666666667 48.6342 90.2364 14 h after light 60.031749999999995 34.2953 77.9867 18 h after light 68.25708333333334 52.2751 91.9578 2 h after dark 77.55175 54.2826 98.8777