condition mean min max 1 h after light 3.304527329 2.446154386 4.162900272 3 h after light 9.778002122333334 6.5790929270000005 12.17259326 5 h after light 13.40320934 12.96907524 14.10333632 7 h after light 13.723934756666667 12.38551957 15.32850158 9 h after light 14.78934246 13.97575207 15.91556531 11 h after light 15.449853206666667 13.27483308 18.36908676 13 h after light 14.713271553333334 13.16396837 16.61479578 15 h after light 15.552372033333333 12.30696771 19.2410799 1 h after dark 16.707732046666667 15.07280537 18.18085845 3 h after dark 17.555539356666667 15.17966897 21.89129485 5 h after dark 17.165557766666666 12.13086807 22.70142809 7 h after dark 13.560299200000001 10.31728259 18.08042723