condition mean min max 2 h after light 51.5557 48.9414 54.7194 6 h after light 39.71045 36.1067 44.507 10 h after light 40.37456666666667 33.2945 49.171 14 h after light 42.106883333333336 37.8551 47.4127 18 h after light 50.1278 44.6559 53.6442 2 h after dark 52.62918333333333 41.4076 60.0173