condition mean min max 1 h after light 1.8424785584999999 1.7986429309999998 1.886314186 3 h after light 6.594030124333333 2.865088855 9.291506093999999 5 h after light 8.895267951000001 3.672743833 12.64157334 7 h after light 10.50463343 4.38892994 15.3621864 9 h after light 17.607168141333332 8.855922104 23.01405688 11 h after light 15.829168987333333 7.463761572 21.73895519 13 h after light 15.255249559000001 5.571726147000001 21.22162552 15 h after light 16.37649449 14.22944979 18.60161699 1 h after dark 15.640202726666667 14.53207692 17.29841874 3 h after dark 18.459586166666668 16.50237834 20.36297057 5 h after dark 15.02425172 11.22389042 19.11930293 7 h after dark 11.28357914 10.31728259 12.35297862