condition mean min max 2 h after light 1.8908016666666667 1.75942 2.29021 6 h after light 1.4304133333333333 0.411499 2.15731 10 h after light 1.3587448333333334 0.874762 1.87959 14 h after light 1.5836415 0.214921 2.6558 18 h after light 1.557055 0.0 3.12938 2 h after dark 3.17381 1.61605 4.4243