Percent of U.S. Mainland in Selected
Drought Ranges -- October 18, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   15.76 -14.42 18.59 + 1.19 28.22 - 1.99 51.57 + 0.34
0-20 (D1)    6.86 -13.28 14.81 + 1.05 21.98 + 1.79 63.35 - 0.36
0-10 (D2)    2.35 - 7.73 17.52 + 1.09  9.51 - 0.62 61.07 + 0.21
0-5 (D3)    0.42 - 4.68 16.09 + 0.00  3.06 - 2.07 54.08 + 0.64
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  0.62 - 1.44 51.47 + 0.11
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered