Percent of U.S. Mainland in Selected
Drought Ranges -- October 7, 2007
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   26.88 - 3.30 45.85 - 2.46 45.37 +15.16 80.59 - 0.44
0-20 (D1)   16.99 - 3.15 48.00 + 1.73 33.09 +12.91 82.00 + 0.37
0-10 (D2)    9.81 - 0.27 60.68 + 1.69 18.71 + 8.58 84.25 - 1.48
0-5 (D3)    4.10 - 1.00 58.25 - 0.30  9.35 + 4.22 84.33 - 0.62
0-2 (D4)    1.97 - 0.10 70.62 - 0.36  3.61 + 1.54 84.44 - 0.01
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered