Percent of U.S. Mainland in Selected
Drought Ranges -- May 28, 2007
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   51.25 +21.07 88.88 + 5.66 36.16 + 5.95 66.82 - 0.10
0-20 (D1)   39.56 +19.42 91.04 + 3.07 27.45 + 7.27 72.57 + 0.02
0-10 (D2)   23.74 +13.66 91.73 + 3.95 17.17 + 7.04 82.43 + 1.87
0-5 (D3)   17.05 +11.95 94.21 + 5.53  6.51 + 1.38 74.85 + 0.70
0-2 (D4)    9.06 + 6.98 95.16 + 3.97  1.53 - 0.53 66.79 + 0.44
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered