condition mean min max 4 h after light 10.924130000000002 10.804910000000001 11.041210000000001 8 h after light 10.90301 10.799710000000001 10.9682 12 h after light 11.19392 11.035210000000001 11.30626 4 h after dark 11.031566666666667 10.89897 11.133519999999999 8 h after dark 10.90981 10.85623 10.99595 12 h after dark 10.589463333333333 10.33619 10.71768