| Percent of U.S. Mainland in
Selected Drought Ranges -- May 3, 2009 |
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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) | 20.09 | -10.09 | 28.98 | - 6.04 | 21.20 | - 9.01 | 36.12 | - 3.63 |
| 0-20 (D1) | 13.34 | - 6.80 | 34.00 | + 1.28 | 11.60 | - 8.59 | 34.27 | - 2.09 |
| 0-10 (D2) | 5.74 | - 4.34 | 39.55 | + 3.58 | 4.36 | - 5.77 | 36.96 | - 1.82 |
| 0-5 (D3) | 1.15 | - 3.95 | 27.87 | + 0.78 | 0.67 | - 4.46 | 26.89 | - 0.87 |
| 0-2 (D4) | 0.01 | - 2.06 | 28.96 | + 0.01 | 0.28 | - 1.78 | 42.19 | + 0.28 |
| *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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