condition mean min max 1 h after light 12.531535085 11.96265055 13.10041962 3 h after light 14.18073706 11.57219048 16.42546009 5 h after light 15.564717543333334 13.35959448 17.97484542 7 h after light 18.63634194666667 18.0230105 19.72523916 9 h after light 16.935301016666664 15.101087699999997 19.57927229 11 h after light 17.43417915 14.160955 20.51095842 1 h after dark 16.601927863333334 13.94374487 18.43681638 3 h after dark 17.806070753333334 15.38810913 20.18584534 5 h after dark 15.058329756666666 14.61897333 15.75413419 7 h after dark 15.812737896666667 13.70646938 17.4150968 9 h after dark 17.060784726666665 16.64104592 17.63640391 11 h after dark 17.357514273333337 16.249084900000003 18.31227395