The daily average rainfall and the data of NOAA precipitation reconstruction (PREC) are adopted to analyze the characteristics of rainfall variation and its response to global climate change by trend analysis and correlation analysis in Wuhan City from 1951 to 2011 in this study. The results of this study show as: (1) The change of decadal average rainfall is undulant, but the overall trend is ascending in recent 60 years; (2) trend of rainfall increase or decrease is significant in different seasons; (3) there are three cycles with the scales of 15 to 32 years, 4 to 17 years, and 1 to 3 years...
