Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 11/30/2017 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 11/30/2017

Ranking of Precipitation in various time scales October September-October Smaller numbers indicates drier conditions with 1 indicating the driest on record since 1890

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 48% (11%) DO 82% (0%) D2 4% (1%) None 18% (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) 134 *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, Nov30 through Thu 7am, Dec7

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