condition mean min max 1 h after light 7.3406100625 7.3190720989999996 7.362148026 3 h after light 6.680733822 5.028509873 7.684504963999999 5 h after light 7.691926612666666 6.360546747000001 8.958571088 7 h after light 8.665598222666667 7.733703113 9.196805818 9 h after light 9.132649339666667 8.818056873 9.635133133 11 h after light 9.833217502666667 8.909912612000001 10.98275538 13 h after light 8.379109896666666 7.6317609289999995 9.193146316 15 h after light 8.769566095666667 7.998955747 9.168832672 1 h after dark 9.096368645333333 7.596171909 10.06582002 3 h after dark 8.600103352333333 7.607275368 9.157661156 5 h after dark 8.860574307666667 7.592963227 9.927132335 7 h after dark 7.452351387999999 6.714884885 8.505830169