Percent of U.S. Mainland in Selected
Drought Ranges -- February 7, 2009
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   46.37 +16.19 85.17 +17.66 23.74 - 6.48 42.22 + 1.38
0-20 (D1)   27.29 + 7.15 75.61 + 9.72 11.08 - 9.10 33.10 + 1.24
0-10 (D2)   10.61 + 0.53 64.12 + 4.36  7.82 - 2.31 53.29 + 1.06
0-5 (D3)    4.88 - 0.22 65.08 + 1.84  3.17 - 1.96 54.90 + 1.03
0-2 (D4)    0.73 - 1.34 49.46 + 0.73  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