| Percent of U.S. Mainland in
Selected Drought Ranges -- April 25, 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) | 26.13 | - 4.05 | 44.57 | + 7.51 | 24.83 | - 5.38 | 43.94 | + 0.84 |
| 0-20 (D1) | 12.06 | - 8.08 | 31.06 | + 1.07 | 13.69 | - 6.50 | 41.08 | + 1.95 |
| 0-10 (D2) | 2.16 | - 7.92 | 15.54 | + 0.47 | 6.18 | - 3.94 | 46.26 | + 0.99 |
| 0-5 (D3) | 0.37 | - 4.73 | 15.01 | - 0.32 | 1.54 | - 3.58 | 37.45 | + 0.06 |
| 0-2 (D4) | 0.00 | - 2.07 | 0.00 | + 0.00 | 0.00 | - 2.06 | 0.00 | + 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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