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U.S. Drought Monitor - Western RCC

As of December 1, 2020

Author: Richard Heim, NCEI/NOAA

U.S. Drought Monitor - Western RCC
U.S. Drought Monitor - Western RCC
Drought Conditions (Percent Area)
WeekNoneD0-D4D1-D4D2-D4D3-D4D4
Current
12/01/2020
12.01%87.99%75.55%60.89%44.67%22.10%
Last Week
11/24/2020
11.06%88.94%75.60%60.85%44.08%19.48%
Three Months Ago
9/01/2020
14.82%85.18%67.60%49.49%18.03%0.03%
Start of Calendar Year
12/31/2019
59.17%40.83%18.17%7.12%0.00%0.00%
Start of Water Year
9/29/2020
8.51%91.49%76.07%54.55%33.11%2.31%
One Year Ago
12/03/2019
46.52%53.48%17.44%9.08%0.00%0.00%

Drought Intensities

  •       None: No Drought
  •       D0: Abnormally Dry
  •       D1: Moderate Drought
  •       D2: Severe Drought
  •       D3: Extreme Drought
  •       D4: Exceptional Drought
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