Percent of U.S. Mainland in Selected
Drought Ranges -- December 28, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)    6.29 -23.89  2.61 -10.05 21.31 - 8.90 36.40 - 4.37
0-20 (D1)    4.62 -15.53  7.18 - 5.95  9.54 -10.64 28.02 - 7.48
0-10 (D2)    0.73 - 9.35  6.03 - 2.01  3.70 - 6.43 32.39 - 2.71
0-5 (D3)    0.73 - 4.37 20.76 + 0.73  0.88 - 4.25 30.31 - 0.66
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  0.00 - 2.06  0.00 - 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