| Percent of U.S. Mainland in
Selected Drought Ranges -- November 22, 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) | 15.59 | -14.59 | 18.52 | + 6.40 | 25.27 | - 4.94 | 45.41 | - 1.25 |
| 0-20 (D1) | 8.71 | -11.43 | 20.99 | + 1.67 | 16.62 | - 3.56 | 50.02 | - 0.58 |
| 0-10 (D2) | 2.84 | - 7.23 | 21.79 | - 0.92 | 5.29 | - 4.83 | 42.25 | + 0.34 |
| 0-5 (D3) | 1.10 | - 4.00 | 26.64 | + 0.06 | 1.75 | - 3.38 | 39.55 | + 0.48 |
| 0-2 (D4) | 0.00 | - 2.07 | 0.00 | - 0.28 | 0.27 | - 1.79 | 41.35 | + 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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