Drought Coverage per Short- and Long-Term Indicator Blends

Percent of U.S. Mainland in Selected
Drought Ranges -- September 24, 2006
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   15.15 -15.03 17.88 -13.16 40.29 +10.08 74.51 - 5.92
0-20 (D1)    3.69 -16.45  5.13 -15.16 22.96 + 2.78 64.83 - 7.20
0-10 (D2)    1.26 - 8.82  9.50 - 1.73  6.84 - 3.29 49.89 - 2.05
0-5 (D3)    0.00 - 5.10  0.00 - 0.36  0.95 - 4.18 31.56 - 1.59
0-2 (D4)    0.00 - 2.07  0.00 - 0.36  0.00 - 2.06  0.00 - 0.64
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered