Percent of U.S. Mainland in Selected
Drought Ranges -- May 4, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   31.90 + 1.72 58.26 + 3.08 27.98 - 2.23 51.46 - 2.22
0-20 (D1)   19.38 - 0.76 53.97 - 0.17 17.63 - 2.55 53.03 + 0.00
0-10 (D2)    8.38 - 1.69 53.32 + 2.73  8.00 - 2.13 53.90 + 1.21
0-5 (D3)    2.65 - 2.45 45.27 - 0.76  1.53 - 3.60 37.32 - 0.28
0-2 (D4)    0.88 - 1.19 52.80 + 0.88  0.45 - 1.61 48.86 - 0.23
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered