condition mean min max 4 h after light 0.8091170000000001 0.794579 0.823655 8 h after light 0.6330990000000001 0.579338 0.68686 12 h after light 0.7744095 0.770628 0.778191 4 h after dark 0.9475016666666667 0.847381 1.08067 8 h after dark 0.6668853333333333 0.474085 1.00534 12 h after dark 0.7824996666666667 0.497952 1.16069