Long description of a map showing the average level of July precipitation on the prairies, 1961-1990

This map divides the prairies into 3 distinct areas with regards to July precipitation. On a 30 year average, seventy millimeters or more of rain falls in most of Manitoba and the northern agricultural areas, sixty to sixty-nine millimeters in the southwest Manitoba and southeastern Saskatchewan, and fifty-nine millimeters or less falls in southwest Saskatchewan and southern Alberta.