| Percent of U.S. Mainland in
Selected Drought Ranges -- July 22, 2007 |
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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) | 57.09 | +26.91 | 94.29 | - 2.21 | 47.32 | +17.11 | 82.64 | + 0.48 |
| 0-20 (D1) | 43.51 | +23.37 | 93.97 | - 6.06 | 32.71 | +12.53 | 81.09 | - 0.06 |
| 0-10 (D2) | 28.12 | +18.05 | 94.03 | - 4.88 | 20.31 | +10.18 | 86.88 | + 0.23 |
| 0-5 (D3) | 17.61 | +12.51 | 94.49 | - 3.89 | 11.57 | + 6.44 | 87.99 | + 0.19 |
| 0-2 (D4) | 7.68 | + 5.61 | 93.81 | + 1.52 | 4.68 | + 2.61 | 88.78 | + 1.62 |
| *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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