condition mean min max 2 h after light 1.643701 0.698413 2.67374 6 h after light 1.0228923333333333 0.632795 1.67905 10 h after light 1.4476633333333333 1.1343 1.8754 2 h after dark 1.424865 0.812325 2.39842 6 h after dark 1.1251339999999999 0.662002 1.39454 10 h after dark 1.161055 0.800895 1.63002