| Percent of U.S. Mainland in
Selected Drought Ranges -- September 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) | 45.16 | +14.97 | 83.35 | + 2.72 | 48.92 | +18.71 | 83.85 | + 1.39 |
| 0-20 (D1) | 33.96 | +13.82 | 85.78 | + 1.00 | 36.20 | +16.01 | 84.80 | + 0.24 |
| 0-10 (D2) | 22.39 | +12.31 | 90.22 | + 1.74 | 21.82 | +11.69 | 88.57 | + 1.72 |
| 0-5 (D3) | 15.13 | +10.03 | 92.94 | + 1.54 | 11.88 | + 6.75 | 88.58 | - 0.46 |
| 0-2 (D4) | 7.67 | + 5.60 | 93.80 | - 0.01 | 6.05 | + 3.99 | 91.42 | + 0.31 |
| *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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