condition mean min max 4 h after light 13.287563 11.460729 15.114397 8 h after light 13.236046 12.924169 13.547923 12 h after light 12.871125 12.049191 13.693059 4 h after dark 12.1073855 11.074471 13.1403 8 h after dark 13.203288 12.951219 13.455357 12 h after dark 13.1403 13.1403 13.1403