Percent of U.S. Mainland in Selected
Drought Ranges -- February 15, 2009
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   34.56 + 4.37 65.35 -11.81 26.28 - 3.94 48.26 + 2.54
0-20 (D1)   21.49 + 1.35 60.36 - 5.80 14.04 - 6.14 42.17 + 2.96
0-10 (D2)    4.90 - 5.18 32.35 - 5.71  8.24 - 1.89 55.67 + 0.42
0-5 (D3)    1.96 - 3.14 38.74 - 2.93  3.40 - 1.73 56.55 + 0.23
0-2 (D4)    0.73 - 1.34 49.46 + 0.00  1.03 - 1.03 60.21 + 0.15
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered