condition mean min max 4 h after light 21.7343 20.9003 22.5683 8 h after light 29.8302 29.2738 30.3866 12 h after light 30.7759 29.584 31.9678 4 h after dark 33.45085 31.2218 35.6799 8 h after dark 30.3383 29.6325 31.0441 12 h after dark 29.9035 29.7887 30.0183