Percent of U.S. Mainland in Selected
Drought Ranges -- January 11, 2009
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   13.57 -16.61 14.08 + 1.19 15.76 -14.45 23.41 - 3.58
0-20 (D1)    6.50 -13.64 13.46 + 0.25  9.28 -10.90 27.10 - 0.89
0-10 (D2)    2.59 - 7.48 19.20 + 1.37  5.97 - 4.16 45.60 + 1.64
0-5 (D3)    1.07 - 4.03 25.74 + 0.34  1.12 - 4.01 33.48 - 0.66
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  0.88 - 1.18 57.33 + 0.00
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered