| Percent of U.S. Mainland in
Selected Drought Ranges -- March 14, 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) | 31.01 | + 0.83 | 55.82 | - 5.57 | 28.81 | - 1.40 | 52.93 | - 0.79 |
| 0-20 (D1) | 19.62 | - 0.52 | 54.93 | - 4.53 | 15.85 | - 4.34 | 48.57 | - 1.96 |
| 0-10 (D2) | 6.92 | - 3.16 | 46.08 | - 6.89 | 7.53 | - 2.59 | 52.36 | + 0.75 |
| 0-5 (D3) | 1.70 | - 3.40 | 35.22 | - 5.88 | 1.68 | - 3.45 | 38.98 | + 0.04 |
| 0-2 (D4) | 0.44 | - 1.63 | 43.19 | - 0.78 | 0.66 | - 1.40 | 52.56 | + 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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