condition mean min max 4 h after light 12.81105 12.4199 13.2022 8 h after light 10.49525 10.2941 10.6964 12 h after light 12.799299999999999 12.4992 13.0994 4 h after dark 17.136650000000003 16.6155 17.6578 8 h after dark 17.3172 17.0149 17.6195 12 h after dark 17.2013 17.1155 17.2871