condition mean min max 2 h after light 17.538483333333335 14.6083 20.6524 6 h after light 20.5909 19.0575 23.4357 10 h after light 16.709583333333335 11.1138 24.2308 14 h after light 21.263733333333334 14.9645 30.3197 18 h after light 24.37985 21.7982 27.7241 2 h after dark 18.3198 15.8859 21.327