condition mean min max 0 h after light 1.273044 0.847688 1.6984 4 h after light 0.63382 0.431866 0.835774 8 h after light 3.091635 2.51597 3.6673 4 h after dark 3.54445 3.13435 3.95455 8 h after dark 1.4662899999999999 1.26285 1.66973 12 h after dark 1.25369 1.05819 1.44919