Percent of U.S. Mainland in Selected
Drought Ranges -- January 5, 2009
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   12.37 -17.81 11.24 + 6.08 19.34 -10.87 32.02 - 1.97
0-20 (D1)    6.25 -13.89 12.15 + 1.63 10.17 -10.01 30.97 + 0.63
0-10 (D2)    1.22 - 8.86  9.04 + 0.49  4.33 - 5.80 36.66 + 0.63
0-5 (D3)    0.73 - 4.37 20.76 + 0.00  1.79 - 3.34 40.01 + 0.90
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  0.88 - 1.18 57.33 + 0.88
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered