Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 7/10/2017 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 7/10/2017

Prelude to Drought 2017 for ND Period Precipitation Ranking Fall 2016 14th Wettest Winter 2016-17 6th Wettest September through February 9th Wettest 6-mo Period March 2017 48th Driest April 2017 34th Driest May 2017 15th Driest Spring 2017 9th Driest Spring

Precipitation Accumulation Since March 1 in Select Locations in ND (Ranking) Precipitation Totals Since March 1st Weekly Change Fargo 16th Driest (Record History: 137 years) -1 Grand Forks 44th Driest (Record History: 125 years) -3 Bismarck 3rd Driest (Record History: 143 years) Williston 7th Driest (Record History: 124 years) Minot 7th Driest (Record History: 113 years) Bowman 4th Driest (Record History: 103 years)

90-Day % of Normal Rain

60-Day % of Normal Rain

20% 27% 6% 29% 18%

Rainfall Totals Since Tuesday

Drought Change 1 Week 4 Weeks

State Coverage and Intensity (Time Scale) *Drought Severity and Coverage Index = DOx1+D1x2+D2x3+D3x4+D4x5 *Akyuz (2007)

State Coverage and Intensity (Spatial Scale) 10/2/2012 (Index:256) 6/3/2008 (Index: 264)

State Coverage and Intensity (Spatial Scale) 8/8/2006 (Index:329) 06/27/2017 (Index: 239)

7-day Forecast Mon 7am, July 10 through Mon 7am, July 17

Longer-term Forecast 8-14 Day Precipitation July through September