condition mean min max 4 h after light 12.6321 11.2397 14.0245 8 h after light 14.1338 12.7993 15.4683 12 h after light 18.5158 18.404 18.6276 4 h after dark 27.000700000000002 26.8036 27.1978 8 h after dark 24.42965 24.1744 24.6849 12 h after dark 20.8955 20.362 21.429