condition mean min max 0 h after light 16.40795 16.3844 16.4315 4 h after light 32.8605 29.2061 36.5149 8 h after light 16.7053 16.2187 17.1919 4 h after dark 11.316324999999999 8.72415 13.9085 8 h after dark 20.2694 19.5622 20.9766 12 h after dark 17.60415 15.9906 19.2177