condition mean min max 1 h after light 8.340446326 8.340446326 8.340446326 3 h after light 16.46983844 15.16246357 17.77721331 5 h after light 12.973691045 12.01263317 13.93474892 7 h after light 12.135131577 8.919191704 15.35107145 9 h after light 9.4361156245 7.326047149 11.5461841 11 h after light 13.7141936685 6.943278477000001 20.48510886 1 h after dark 15.45447854 13.74577545 17.16318163 3 h after dark 18.843688795 15.50746537 22.17991222 5 h after dark 19.3727133 17.50127623 21.24415037 7 h after dark 18.866827415000003 17.75637877 19.97727606 9 h after dark 18.40567216 16.94499678 19.86634754 11 h after dark 17.2994063 16.40189529 18.19691731