condition mean min max 4 h after light 244.950891 176.30898 313.592802 8 h after light 179.003718 178.960687 179.046749 12 h after light 236.24996199999998 202.635773 269.864151 4 h after dark 664.7340105000001 260.473877 1068.994144 8 h after dark 881.0486585000001 654.801585 1107.295732 12 h after dark 609.768108 609.768108 609.768108