condition mean min max 2 h after light 8.33291 7.1217 9.51048 6 h after light 7.777165 6.39487 8.69538 10 h after light 8.209245 6.38918 9.9359 14 h after light 8.885703333333334 6.89802 10.5528 18 h after light 11.090766666666667 10.1796 11.8656 2 h after dark 25.366516666666666 15.2347 35.9871