condition mean min max 4 h after light 11.152717500000001 10.844706 11.460729 8 h after light 11.959782 11.664788 12.254776 12 h after light 12.715799 9.506363 15.925235 4 h after dark 11.1989105 10.323322 12.074499 8 h after dark 10.997983 9.963391 12.032575 12 h after dark 10.92877 10.92877 10.92877