Drought Coverage per Short- and Long-Term Indicator Blends

Percent of U.S. Mainland in Selected
Drought Ranges -- July 9, 2006
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   50.79 +20.60 88.57 -10.78 52.74 +22.53 86.40 + 1.52
0-20 (D1)   38.49 +18.35 90.33 -10.25 31.42 +11.23 79.42 - 1.84
0-10 (D2)   21.16 +11.08 89.27 - 7.61  9.59 - 0.54 61.24 - 2.06
0-5 (D3)    9.28 + 4.17 83.68 - 4.46  3.28 - 1.84 55.60 - 2.29
0-2 (D4)    2.40 + 0.33 75.05 - 3.24  0.16 - 1.90 37.78 - 1.56
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered