The objective of this study was to analyze the trends in seven annual extreme indices of precipitation for Idaho, USA. The analyses were conducted for 35 meteorological stations, during the period from 1970 to 2006, a high quality and a fairly long-term dataset. The analyses of precipitation indices presented large spatial variability and few statistically significant trends. Thus it is not possible to conclude that significant changes in precipitation have occurred in this region during the past few decades.
