condition mean min max 0 h after light 12.35595 12.0839 12.628 2 h after light 8.27853 7.89301 8.66405 4 h after light 8.69116 8.3895 8.99282 8 h after light 12.653749999999999 11.9825 13.325 12 h after light 15.15155 14.4716 15.8315 2 h after dark 14.73695 14.1953 15.2786 4 h after dark 15.3282 14.938 15.7184 8 h after dark 13.7933 13.5966 13.99 12 h after dark 13.10765 12.9084 13.3069