Percentage of US in Drought 1863 through 2006
|
YEAR % of United States NOAA Considers in Extreme to Severe Drought |
|
| 1863 | 40 |
| 1880 | 17 |
| 1885 | 0 |
| 1890 | 25 |
| 1895 | 5 |
| 1910 | 20 |
| 1911 | 34 |
| 1915 | 0 |
| 1920 | 5 |
| 1925 | 33 |
| 1930 | 16 |
| 1934 | 60 |
| 1936 | 35 |
| 1940 | 2 |
| 1954 | 40 |
| 1956 | 35 |
| 1970 | 1 |
| 1977 | 39 |
| 1980 | 0 |
| 1988 | 35 |
| 1991 | 0 |
| 2002 | 35 |
| 2006/July | 28 |