| Percent of U.S. Mainland in
Selected Drought Ranges -- December 9, 2007 |
||||||||
| Percentile Range |
Short-Term Drought Indicator Blend |
Long-Term Drought Indicator Blend |
||||||
| Current | Anomaly* | Percentile* | Change** | Current | Anomaly* | Percentile* | Change** | |
| 0-30 (D0) | 16.11 | -14.07 | 19.43 | -10.34 | 38.43 | + 8.22 | 70.59 | - 5.72 |
| 0-20 (D1) | 7.35 | -12.79 | 16.89 | - 5.00 | 27.31 | + 7.13 | 72.47 | - 1.11 |
| 0-10 (D2) | 2.31 | - 7.77 | 17.05 | - 1.79 | 12.84 | + 2.72 | 71.20 | - 0.86 |
| 0-5 (D3) | 1.03 | - 4.07 | 25.25 | + 0.77 | 7.21 | + 2.08 | 78.04 | + 0.27 |
| 0-2 (D4) | 0.00 | - 2.07 | 0.00 | + 0.00 | 1.70 | - 0.36 | 69.76 | - 0.46 |
| *Anomalies & percentiles based on monthly 1932
- 2001 data from National Climatic Data Center. **Change from Previous Week's Percentage of U.S. Covered |
||||||||