Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 10/12/2017 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 10/12/2017

Into the 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 June 14th Driest July 11th Driest August 21st Wettest Summer 19th Driest September 28th Wettest August through September 18th Wettest

Precipitation Accumulation Since June 1 in Select Locations in ND (Ranking) Precipitation Totals Since June 1st Weekly Change Fargo 28thnd Driest (Record History: 137 years) -4 Grand Forks 60th Wettest (Record History: 125 years) -7 Bismarck 57th Wettest (Record History: 143 years) Williston 58th Wettest (Record History: 124 years) -3 Bottineau 47th Driest (Record History: 121 years) -2 Bowman 7th Driest (Record History: 103 years) Crosby 16th Driest (Record History: 111 years) -1 Minot 26th Driest (Record History: 113 years)

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 60% (0%) DO 72% (0%) D3 2% (0%) 28% (0%) D2 19% (0%)

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) 153 (0) *Drought Severity and Coverage Index = DOx1+D1x2+D2x3+D3x4+D4x5 *Akyuz (2007)

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

7-day Forecast Mon 7am, Oct12 through Mon 7am, Oct 19

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: November through January Precipitation Temperature