| Percent of U.S. Mainland in
Selected Drought Ranges -- December 1, 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) | 26.45 | - 3.73 | 45.11 | -13.75 | 44.15 | +13.94 | 79.30 | - 1.26 |
| 0-20 (D1) | 12.35 | - 7.79 | 31.46 | - 8.12 | 28.42 | + 8.23 | 75.30 | - 1.12 |
| 0-10 (D2) | 4.10 | - 5.98 | 28.47 | - 2.56 | 13.70 | + 3.57 | 73.55 | - 4.27 |
| 0-5 (D3) | 0.26 | - 4.84 | 13.12 | + 0.01 | 6.94 | + 1.81 | 77.26 | - 1.46 |
| 0-2 (D4) | 0.00 | - 2.07 | 0.00 | + 0.00 | 2.16 | + 0.10 | 74.17 | - 0.91 |
| *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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