condition mean min max 3 h after light 17.057308333333335 7.10799 26.1547 7 h after light 12.31607 6.77451 16.9145 11 h after light 12.91549 7.0264 24.7863 2 h after dark 16.195500833333334 5.30206 25.0775 6 h after dark 21.404375 10.8989 43.1947 10 h after dark 23.3863125 9.30615 45.0419