Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 2/1/2018 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 2/1/2018

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

Ranking of Temperature in various time scales September-November December Larger numbers indicates Warmer conditions with 123 indicating the warmest on record since 1890

30-Day Precipitation Total Accumulation % of Normal

Long Term Precipitation % of Normal 60 Days 90 Days

(% Change from previous week) Cumulative % area (% Change from previous week) D1 61% (+3%) None 3% (-5%) D2 4% (0%) DO 97% (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) 162 (+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, Feb 1 through Thu 7am, Feb8

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: Mar through May Precipitation Temperature