Percent of U.S. Mainland in Selected
Drought Ranges -- March 29, 2009
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   29.36 - 0.82 52.40 -15.31 24.12 - 6.09 43.18 - 6.91
0-20 (D1)   13.69 - 6.45 36.59 -15.00 13.90 - 6.28 41.74 - 2.38
0-10 (D2)    5.51 - 4.57 37.93 - 9.09  5.43 - 4.69 42.98 - 1.84
0-5 (D3)    1.16 - 3.94 28.26 - 3.77  2.80 - 2.33 50.80 + 0.15
0-2 (D4)    0.38 - 1.69 41.12 - 0.59  0.00 - 2.06  0.00 - 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