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Published on Apr 16, 2013
This sequence of monthly North American Drought Monitor maps from May 31, 2012, thru Feb. 28, 2013 shows the progression of drought throughout North America. The area of Mexico's portion of the Rio Grande basin that contributes to treaty inflows has not been under exceptional drought conditions since at least May 2012, meaning that under the 1944 Water Treaty, Mexico is obligated to provide water to Texas.