| Percent of U.S. Mainland in
Selected Drought Ranges -- September 15, 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) | 35.96 | + 5.77 | 68.24 | + 0.19 | 47.30 | +17.09 | 82.62 | + 0.54 |
| 0-20 (D1) | 23.87 | + 3.73 | 66.98 | - 4.65 | 35.74 | +15.56 | 84.46 | + 1.49 |
| 0-10 (D2) | 11.98 | + 1.90 | 68.93 | - 7.22 | 20.34 | +10.21 | 86.90 | - 0.51 |
| 0-5 (D3) | 3.87 | - 1.23 | 55.26 | - 6.61 | 11.50 | + 6.37 | 87.90 | - 0.69 |
| 0-2 (D4) | 0.71 | - 1.36 | 49.41 | - 5.49 | 4.04 | + 1.98 | 86.32 | - 1.16 |
| *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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