Percent of U.S. Mainland in Selected
Drought Ranges -- December 6, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   21.57 - 8.61 32.85 + 8.70 29.75 - 0.46 53.74 + 2.36
0-20 (D1)    7.96 -12.18 18.81 + 2.42 19.68 - 0.51 58.35 + 2.86
0-10 (D2)    0.24 - 9.84  3.16 + 0.24  8.75 - 1.37 57.72 - 0.10
0-5 (D3)    0.00 - 5.10  0.00 + 0.00  2.64 - 2.49 49.21 + 0.97
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  1.05 - 1.01 60.26 + 0.01
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered