condition mean min max 2 h after light 10.57619 9.78957 11.3242 6 h after light 11.9721 11.5307 12.4771 10 h after light 12.5794 11.4159 13.6455 2 h after dark 9.267156666666667 8.75972 9.54128 6 h after dark 10.373933333333333 10.1579 10.7438 10 h after dark 9.936693333333332 9.45408 10.2239