Percent of U.S. Mainland in Selected
Drought Ranges -- March 22, 2008
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   17.67 -12.51 22.46 + 1.03 27.74 - 2.47 51.00 + 6.11
0-20 (D1)    7.52 -12.62 17.37 + 1.30 12.56 - 7.63 37.42 + 1.07
0-10 (D2)    1.94 - 8.14 13.73 + 1.82  4.22 - 5.91 36.02 + 0.25
0-5 (D3)    0.00 - 5.10  0.00 - 0.12  1.48 - 3.65 37.21 - 0.16
0-2 (D4)    0.00 - 2.07  0.00 + 0.00  0.67 - 1.39 52.81 + 0.00
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered