condition mean min max 1 h after light 15.554817185000001 15.50013536 15.60949901 3 h after light 15.845335756666667 15.06741253 16.28301912 5 h after light 14.233459936666666 12.63051787 16.38062149 7 h after light 15.069278013333333 13.57642235 16.27892038 9 h after light 13.39881969 12.0329823 14.80005131 11 h after light 12.465010076666667 11.33459556 13.39671946 1 h after dark 10.347728167333333 7.992372332 12.43851116 3 h after dark 9.621145528333333 7.985299008999999 11.38922273 5 h after dark 9.707849617666666 7.085631283 11.65155521 7 h after dark 8.050901599 7.198022205 8.923582455 9 h after dark 7.234231076333333 5.908966463 8.978045984 11 h after dark 7.892265612666667 4.219201339 13.30530861