condition mean min max 0 h after light 19.75495 19.1529 20.357 4 h after light 22.468049999999998 19.114 25.8221 8 h after light 22.209049999999998 22.0685 22.3496 4 h after dark 30.9135 30.2849 31.5421 8 h after dark 27.4359 26.4545 28.4173 12 h after dark 22.724400000000003 22.5895 22.8593