File name: 720PrecipMay.jpg Original Resolution: 714 × 478 File Size: 190 KB (MIME Type: image/jpeg) Date Published: February 27, 2013 Download file View image caption In May 2011, some parts of Montana received an average year’s worth of rain in a few weeks. Rainfall totals were several inches above average in the eastern part of the state (dark green). Data from NOAA’s Climate Prediction Center.