Percent of U.S. Mainland in Selected
Drought Ranges -- April 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)   42.57 +12.39 80.22 + 4.25 32.31 + 2.10 59.31 + 2.55
0-20 (D1)   33.74 +13.60 85.64 + 0.77 22.35 + 2.17 63.72 + 3.06
0-10 (D2)   24.49 +14.41 92.06 + 1.75  9.58 - 0.54 61.23 + 0.60
0-5 (D3)   15.00 + 9.90 92.87 - 1.28  2.78 - 2.35 50.65 + 0.27
0-2 (D4)    9.32 + 7.25 95.21 - 1.35  1.59 - 0.48 68.42 + 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