condition mean min max 1 h after light 4.657695156 4.423081539 4.892308773 3 h after light 8.22159318 4.722090891000001 10.37191378 5 h after light 8.991630443666667 6.708878736 11.20056498 7 h after light 12.446046772333334 6.419628867 16.19112614 9 h after light 15.888590863333333 12.17689289 20.09636114 11 h after light 15.4771015 12.84833242 19.88883134 13 h after light 16.333168266666668 12.30677973 18.64301511 15 h after light 12.475961094333334 9.933766833 13.9035473 1 h after dark 15.68004854 14.30227532 16.58360805 3 h after dark 16.39576755666667 15.42649285 17.65089551 5 h after dark 15.12344048 14.17465562 16.04024316 7 h after dark 15.772265189999999 12.29593952 19.03875377