| Percent of U.S. Mainland in
Selected Drought Ranges -- May 17, 2008 |
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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) | 28.78 | - 1.40 | 51.28 | -11.68 | 28.39 | - 1.82 | 51.83 | - 2.19 |
| 0-20 (D1) | 12.70 | - 7.44 | 32.34 | -11.59 | 17.98 | - 2.21 | 54.07 | - 0.50 |
| 0-10 (D2) | 5.14 | - 4.94 | 34.78 | - 4.95 | 7.13 | - 3.00 | 51.35 | - 0.12 |
| 0-5 (D3) | 2.65 | - 2.45 | 45.27 | + 0.00 | 1.01 | - 4.12 | 32.47 | - 0.34 |
| 0-2 (D4) | 2.24 | + 0.17 | 73.65 | + 0.00 | 0.15 | - 1.91 | 36.88 | + 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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