Percent of U.S. Mainland in Selected
Drought Ranges -- August 11, 2007
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   45.16 +14.98 83.36 - 1.72 46.68 +16.47 82.04 + 0.90
0-20 (D1)   36.12 +15.97 87.53 - 2.85 32.69 +12.50 81.06 + 2.42
0-10 (D2)   23.53 +13.45 91.59 + 0.72 19.05 + 8.92 84.70 + 1.45
0-5 (D3)   13.08 + 7.97 91.35 - 3.24 11.05 + 5.92 87.21 + 1.04
0-2 (D4)    5.49 + 3.42 89.32 + 0.07  5.22 + 3.16 89.84 + 0.32
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered