condition mean min max 3 h after light 2.814923333333333 2.59115 3.18617 6 h after light 3.1438366666666666 2.40295 3.97517 9 h after light 7.7927 7.45833 8.19716 12 h after light 9.63777 1.32268 13.1574 3 h after dark 6.1402133333333335 5.38813 7.1088 6 h after dark 2.8014433333333333 2.17936 3.39054 9 h after dark 1.7601499999999999 1.29596 2.07551 12 h after dark 1.1739899999999999 1.08304 1.26494