| Percent of U.S. Mainland in
Selected Drought Ranges -- January 17, 2009 |
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| Percentile Range |
Short-Term Drought Indicator Blend |
Long-Term Drought Indicator Blend |
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| Current | Anomaly* | Percentile* | Change** | Current | Anomaly* | Percentile* | Change** | |
| 0-30 (D0) | 16.93 | -13.25 | 21.63 | + 3.36 | 16.44 | -13.77 | 25.18 | + 0.68 |
| 0-20 (D1) | 8.97 | -11.17 | 21.74 | + 2.47 | 9.40 | -10.78 | 27.38 | + 0.12 |
| 0-10 (D2) | 4.54 | - 5.54 | 30.66 | + 1.94 | 5.89 | - 4.24 | 45.16 | - 0.08 |
| 0-5 (D3) | 0.73 | - 4.37 | 20.76 | - 0.34 | 1.12 | - 4.01 | 33.48 | + 0.00 |
| 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 |
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