condition mean min max 4 h after light 5.32243 3.53964 6.51364 8 h after light 13.154039999999998 3.82922 20.0419 12 h after light 14.0875 10.2728 19.7595 4 h after dark 15.967466666666665 12.9759 18.8787 8 h after dark 7.830913333333333 4.46929 10.7203 12 h after dark 6.043596666666667 5.00444 7.19122