condition mean min max 4 h after light 26.2174 21.8866 30.5482 8 h after light 20.25775 19.7284 20.7871 12 h after light 36.9071 36.0981 37.7161 4 h after dark 45.42145 45.3454 45.4975 8 h after dark 37.2549 37.1897 37.3201 12 h after dark 27.40805 25.5962 29.2199