condition mean min max 4 h after light 40.7064855 39.774185 41.638786 8 h after light 46.975238000000004 44.023397 49.927079 12 h after light 42.739767 40.75177 44.727764 4 h after dark 51.2358715 45.920757 56.550986 8 h after dark 43.2801175 42.941375 43.61886 12 h after dark 37.902173 37.902173 37.902173