Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 11/2/2017 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 11/2/2017

Into the Drought 2017 for ND Period Precipitation Ranking March 2017 48th Driest April 2017 34th Driest May 2017 15th Driest Spring 2017 9th Driest Spring June 14th Driest July 11th Driest August 21st Wettest Summer 19th Driest September 28th Wettest August through September 18th Wettest October (Preliminary) 12th Driest

Precipitation Accumulation Since September 1 in Select Locations in ND (Ranking) Precipitation Totals Since June 1st Weekly Change Fargo 56th Wettest (Record History: 137 years) 1 Grand Forks 29th Wettest (Record History: 125 years) -1 Bismarck 54th Driest (Record History: 143 years) -31 Williston 49rd Wettest (Record History: 124 years) -7 Bottineau 52nd Wettest (Record History: 121 years) Bowman 36nd Wettest (Record History: 103 years) -4 Crosby 40th Wettest (Record History: 111 years) -3 Minot 59th Wettest (Record History: 113 years) -13

7-Day Rainfall total

30-Day Rainfall Total Accumulation % of Normal

Long Term Precipitation % of Normal 60 Days 90 Days

(% Change from previous week) Cumulative % area (% Change from previous week) D1 37% (0%) DO 82% (1%) D2 3% (0%) None 18% (-2%)

State Coverage and Intensity

Drought Change One-week Change 4-week Change

Drought Severity and Coverage Index (Statewide) 329 (Aug 8, 2006) 295 (Aug 8, 2017) 122 (+2) *Drought Severity and Coverage Index = DOx1+D1x2+D2x3+D3x4+D4x5 *Akyuz (2007)

Accumulated Drought Severity and Coverage Index (Statewide) *Akyuz (2007)

7-day Forecast Thu 7am, Nov2 through Thu 7am, Nov9

Medium Range Forecast 8-14 Day Precipitation 8-14 Day Temperature

Medium Range Forecast Week 3-4 Precipitation Week 3-4 Temperature

3-Mounth Outlook: December through February Precipitation Temperature