| Percent of U.S. Mainland in
Selected Drought Ranges -- March 7, 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) | 36.59 | + 6.40 | 69.61 | + 6.55 | 29.60 | - 0.61 | 53.69 | + 1.70 |
| 0-20 (D1) | 24.16 | + 4.01 | 68.22 | + 3.49 | 17.81 | - 2.38 | 53.73 | + 3.84 |
| 0-10 (D2) | 13.81 | + 3.73 | 74.76 | + 5.07 | 6.78 | - 3.34 | 49.64 | - 2.00 |
| 0-5 (D3) | 7.58 | + 2.48 | 77.69 | + 3.07 | 1.65 | - 3.48 | 38.75 | - 0.29 |
| 0-2 (D4) | 1.22 | - 0.85 | 59.50 | + 0.45 | 0.66 | - 1.40 | 52.56 | + 0.66 |
| *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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