condition mean min max 4 h after light 47.1945 43.6292 50.7598 8 h after light 25.658949999999997 25.3162 26.0017 12 h after light 11.364075 9.25815 13.47 4 h after dark 10.838149999999999 10.758 10.9183 8 h after dark 12.10165 10.1 14.1033 12 h after dark 24.5 22.9248 26.0752