condition mean min max 2 h after light 5.7374616666666665 2.43808 10.6224 6 h after light 6.385603333333333 1.5877 9.8422 10 h after light 5.777785 0.0 10.0789 14 h after light 11.89043 1.91315 25.4085 18 h after light 10.567808333333334 4.39677 16.9808 2 h after dark 5.25421 2.14093 8.39742