Percent of U.S. Mainland in Selected
Drought Ranges -- August 25, 2007
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   42.44 +12.25 80.17 - 4.21 47.53 +17.32 82.75 - 1.09
0-20 (D1)   32.96 +12.82 84.66 - 3.44 35.96 +15.78 84.71 + 0.97
0-10 (D2)   20.65 +10.57 88.54 - 5.28 20.10 + 9.97 86.77 + 0.35
0-5 (D3)   13.58 + 8.48 91.63 - 4.01 12.33 + 7.20 88.98 + 0.21
0-2 (D4)    7.69 + 5.62 93.81 - 0.82  5.74 + 3.68 91.18 + 0.80
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered