Percent of U.S. Mainland in Selected
Drought Ranges -- October 21, 2006
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   11.03 -19.15  8.89 - 4.66 37.85 + 7.64 69.06 - 5.63
0-20 (D1)    5.90 -14.25 11.29 - 3.77 21.83 + 1.64 63.21 - 7.81
0-10 (D2)    1.72 - 8.35 11.96 - 0.23  6.33 - 3.79 46.86 - 3.29
0-5 (D3)    0.71 - 4.39 20.54 + 0.28  2.43 - 2.70 46.91 - 0.21
0-2 (D4)    0.43 - 1.64 42.78 + 0.00  0.50 - 1.57 49.94 - 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