condition mean min max 0 h after light 66.87835 65.539 68.2177 4 h after light 55.1994 54.7171 55.6817 8 h after light 68.60454999999999 64.4974 72.7117 4 h after dark 72.1952 65.5769 78.8135 8 h after dark 75.87525 74.9949 76.7556 12 h after dark 65.54325 59.6768 71.4097