Percent of U.S. Mainland in Selected
Drought Ranges -- September 20, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   20.50 - 9.69 30.06 + 1.34 27.70 - 2.51 50.91 + 0.48
0-20 (D1)   11.25 - 8.89 27.70 - 0.16 20.63 + 0.45 60.92 + 0.72
0-10 (D2)    6.00 - 4.07 41.83 + 0.08  9.70 - 0.42 61.51 + 0.15
0-5 (D3)    0.24 - 4.86 12.75 - 2.58  2.64 - 2.49 49.21 - 0.95
0-2 (D4)    0.00 - 2.07  0.00 - 0.24  0.51 - 1.55 50.20 + 0.23
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered