condition mean min max 3 h after light 15.8716 14.5655 18.3822 6 h after light 17.118933333333334 14.7704 21.489 9 h after light 23.0214 21.9864 24.9821 12 h after light 27.42355 15.9175 31.7411 3 h after dark 21.313633333333335 19.4858 23.3306 6 h after dark 16.556066666666666 14.8578 18.7165 9 h after dark 14.218399999999999 13.6594 15.2462 12 h after dark 11.67815 10.2803 13.076