condition mean min max 0 h after light 9.80272 8.74524 10.8602 4 h after light 10.761849999999999 10.2667 11.257 8 h after light 17.573900000000002 16.764 18.3838 4 h after dark 13.1553 10.9149 15.3957 8 h after dark 12.9208 11.6366 14.205 12 h after dark 8.805115 6.39783 11.2124