Drought Coverage per Short- and Long-Term Indicator Blends

Percent of U.S. Mainland in Selected
Drought Ranges -- September 16, 2006
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   28.31 - 1.87 50.34 -10.66 46.20 +15.99 81.71 - 4.45
0-20 (D1)   18.85 - 1.29 52.86 -10.38 30.16 + 9.98 77.81 - 4.18
0-10 (D2)    2.99 - 7.09 22.71 - 8.50  8.89 - 1.24 58.39 - 2.38
0-5 (D3)    0.36 - 4.75 14.82 - 4.53  2.55 - 2.58 48.17 - 0.66
0-2 (D4)    0.36 - 1.72 40.12 - 0.12  0.64 - 1.42 51.78 - 0.66
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered