South Dakota Drought Conditions Map - May 13, 2017

Legend
Extremely Moist Very Moist Moderately Moist Normal Moderate Drought Severe Drought Extreme Drought

The Palmer Drought Severity Index (PDSI) and Crop Moisture Index (CMI) are indices of the relative dryness or wetness effecting water sensitive economies. The PDSI indicates the prolonged and abnormal moisture deficiency or excess. The CMI gives the short-term or current status of purely agricultural drought or moisture surplus and can change rapidly from week to week. Both indicies indicate general conditions and not local variations caused by isolated rain. Calculation of the PDSI and CMI are made for 350 climatic divisions in the United States and Puerto Rico. Input to the calculations include the weekly precipitation total and average temperature, division constants (water capacity of the soil, etc.) and previous history of the indices.
The PDSI is an important climatoligical tool for evaluating the scope, severity, and frequency of prolonged periods of abnormally dry or wet weather. It can be used to help delineate disaster areas and indicate the availability of irrigation water supplies, reservior levels, range conditions, amount of stock water, and potential intensity of forest fires. The CMI can be used to measure the status of dryness or wetness affecting warm season crops and field activities.

Drought Index Maps For Neighboring States and Provinces:

  • Iowa Interactive Drought Index Map
  • Minnesota Interactive Drought Index Map
  • Montana Interactive Drought Index Map
  • Nebraska Interactive Drought Index Map
  • North Dakota Interactive Drought Index Map
  • Wyoming Interactive Drought Index Map

Related South Dakota Maps:

  • South Dakota Drought Monitor Map
  • South Dakota First Frost Date Map
  • South Dakota Last Frost Date Map
  • South Dakota 1990 USDA Hardiness Zone Map
  • South Dakota 2012 USDA Hardiness Zone Map
  • Map of South Dakota Record High/Low Temperatures
  • South Dakota Heat Zones Map
  • South Dakota Ecoregions

Drought Conditions for South Dakota Climate Divisions

Climate Division Northwest - Normal
Average Temperature:60.3
Precipitation (inches):0.27
Soil Moisture - Upper Level (inches):0.0
Soil Moisture - Lower Level (inches):1.95
Percentage Field Cap. End of Week:24.4
Potential Evaporation:0.84
Run Off (Inches):0.0
Crop Moisture Index:-0.01
Crop Moisture Index - 1 Week Change:-0.02
Monthly Mositure Anomaly Index:-0.64
Palmer Drought Index:-1.72
Precipitation Needed to End Drought (Inches):2.45
Climate Division North Central - Moderate Drought
Average Temperature:61.0
Precipitation (inches):0.03
Soil Moisture - Upper Level (inches):0.0
Soil Moisture - Lower Level (inches):2.45
Percentage Field Cap. End of Week:30.6
Potential Evaporation:0.85
Run Off (Inches):0.0
Crop Moisture Index:-1.33
Crop Moisture Index - 1 Week Change:-0.73
Monthly Mositure Anomaly Index:-3.17
Palmer Drought Index:-2.09
Precipitation Needed to End Drought (Inches):3.39
Climate Division Northeast - Normal
Average Temperature:60.4
Precipitation (inches):0.08
Soil Moisture - Upper Level (inches):0.0
Soil Moisture - Lower Level (inches):5.15
Percentage Field Cap. End of Week:64.4
Potential Evaporation:0.83
Run Off (Inches):0.0
Crop Moisture Index:-0.13
Crop Moisture Index - 1 Week Change:-0.14
Monthly Mositure Anomaly Index:-1.39
Palmer Drought Index:-0.74
Precipitation Needed to End Drought (Inches):1.19
Climate Division Black Hills - Extreme Drought
Average Temperature:58.3
Precipitation (inches):0.43
Soil Moisture - Upper Level (inches):0.34
Soil Moisture - Lower Level (inches):3.86
Percentage Field Cap. End of Week:52.5
Potential Evaporation:0.78
Run Off (Inches):0.0
Crop Moisture Index:0.01
Crop Moisture Index - 1 Week Change:0.01
Monthly Mositure Anomaly Index:-2.38
Palmer Drought Index:-4.88
Precipitation Needed to End Drought (Inches):9.89
Climate Division Southwest - Normal
Average Temperature:60.4
Precipitation (inches):0.46
Soil Moisture - Upper Level (inches):0.25
Soil Moisture - Lower Level (inches):2.77
Percentage Field Cap. End of Week:37.8
Potential Evaporation:0.8
Run Off (Inches):0.0
Crop Moisture Index:0.03
Crop Moisture Index - 1 Week Change:0.02
Monthly Mositure Anomaly Index:-0.54
Palmer Drought Index:-0.41
Precipitation Needed to End Drought (Inches):-999.0
Climate Division Central - Normal
Average Temperature:62.1
Precipitation (inches):0.24
Soil Moisture - Upper Level (inches):0.0
Soil Moisture - Lower Level (inches):2.05
Percentage Field Cap. End of Week:25.6
Potential Evaporation:0.85
Run Off (Inches):0.0
Crop Moisture Index:-0.29
Crop Moisture Index - 1 Week Change:-0.3
Monthly Mositure Anomaly Index:-1.77
Palmer Drought Index:-1.27
Precipitation Needed to End Drought (Inches):2.02
Climate Division East Central - Normal
Average Temperature:61.3
Precipitation (inches):0.05
Soil Moisture - Upper Level (inches):0.01
Soil Moisture - Lower Level (inches):5.75
Percentage Field Cap. End of Week:71.9
Potential Evaporation:0.84
Run Off (Inches):0.0
Crop Moisture Index:0.03
Crop Moisture Index - 1 Week Change:0.03
Monthly Mositure Anomaly Index:-1.33
Palmer Drought Index:0.44
Precipitation Needed to End Drought (Inches):-999.0
Climate Division South Central - Normal
Average Temperature:60.9
Precipitation (inches):0.36
Soil Moisture - Upper Level (inches):0.07
Soil Moisture - Lower Level (inches):3.33
Percentage Field Cap. End of Week:56.7
Potential Evaporation:0.79
Run Off (Inches):0.0
Crop Moisture Index:0.03
Crop Moisture Index - 1 Week Change:0.02
Monthly Mositure Anomaly Index:-1.59
Palmer Drought Index:-0.47
Precipitation Needed to End Drought (Inches):-999.0
Climate Division Southeast - Moderately Moist
Average Temperature:60.7
Precipitation (inches):0.08
Soil Moisture - Upper Level (inches):0.3
Soil Moisture - Lower Level (inches):7.0
Percentage Field Cap. End of Week:91.2
Potential Evaporation:0.78
Run Off (Inches):0.0
Crop Moisture Index:0.58
Crop Moisture Index - 1 Week Change:-0.5
Monthly Mositure Anomaly Index:0.46
Palmer Drought Index:2.27
Precipitation Needed to End Drought (Inches):-999.0
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