condition mean min max 0 h after light 33.58355 32.4955 34.6716 2 h after light 9.4977 7.9793 11.0161 4 h after light 7.8248549999999994 7.38942 8.26029 8 h after light 8.83457 8.64313 9.02601 12 h after light 10.71479 9.04328 12.3863 2 h after dark 14.8885 14.1424 15.6346 4 h after dark 19.841549999999998 17.8629 21.8202 8 h after dark 36.14905 34.7971 37.501 12 h after dark 39.10375 35.4265 42.781