Percent of U.S. Mainland in Selected
Drought Ranges -- January 20, 2007
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)    9.40 -20.78  5.53 + 0.09 21.85 - 8.36 38.03 - 2.36
0-20 (D1)    5.75 -14.39 10.41 - 0.46 10.84 - 9.34 32.48 - 1.02
0-10 (D2)    3.66 - 6.42 26.57 + 3.10  5.70 - 4.42 44.39 - 0.01
0-5 (D3)    0.42 - 4.68 15.93 + 0.42  2.69 - 2.44 49.43 + 0.48
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  1.78 - 0.28 70.29 - 0.16
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered