Maps: Western US Temperature and Precipitation 2017-2018 Water Year by Western Regional Climate Center | Desert Research Institute Average MAXIMUM temperature departure from average since Oct 1, 2017Average MINIMUM temperature departure from average since Oct 1, 2017AVERAGE temperature departure from average since Oct 1, 2017Precipitation PERCENT of average from since Oct 1, 2017Precipitation DEPARTURE from average since Oct 1, 2017 Go to Site