Percent of U.S. Mainland in Selected
Drought Ranges -- October 4, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   23.00 - 7.18 36.29 - 4.40 29.24 - 0.97 53.26 + 1.72
0-20 (D1)   12.26 - 7.89 31.33 - 3.10 21.92 + 1.74 63.31 + 0.70
0-10 (D2)    4.16 - 5.91 28.65 - 2.61 10.13 + 0.00 62.73 + 0.65
0-5 (D3)    2.39 - 2.71 43.50 + 1.49  3.48 - 1.65 57.31 + 0.84
0-2 (D4)    0.65 - 1.42 48.46 + 0.65  0.75 - 1.31 55.42 + 0.24
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered