Drought Coverage per Short- and Long-Term Indicator Blends

Percent of U.S. Mainland in Selected
Drought Ranges -- October 9, 2006
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   17.40 -12.79 22.05 + 0.35 43.90 +13.69 79.04 - 0.46
0-20 (D1)    9.45 -10.69 23.33 - 0.44 31.56 +11.38 79.55 + 4.57
0-10 (D2)    3.35 - 6.73 24.63 + 2.23 10.21 + 0.08 62.90 + 2.55
0-5 (D3)    0.43 - 4.67 16.17 + 0.43  5.10 - 0.03 67.14 + 2.25
0-2 (D4)    0.43 - 1.64 42.78 + 0.43  1.16 - 0.90 61.91 + 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