Percent of U.S. Mainland in Selected
Drought Ranges -- November 18, 2007
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   35.51 + 5.33 66.87 +12.48 45.00 +14.79 80.09 + 1.88
0-20 (D1)   17.87 - 2.27 51.45 + 7.87 28.28 + 8.09 75.08 + 0.55
0-10 (D2)    4.77 - 5.31 31.67 + 2.40 18.99 + 8.86 84.64 + 0.52
0-5 (D3)    0.29 - 4.82 13.44 + 0.29  8.16 + 3.03 80.96 - 1.67
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  2.74 + 0.68 78.23 - 0.23
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered