Driest Autumn Ever in the Twin Cities

September through November 2011 was the driest Twin Cities meteorological autumn in the 141 year modern record. The September through November 2011 precipitation total at the Twin Cities International Airport was 1.36 inches, a negative departure of 5.92 inches from the 1981-2010 normal of 7.28 inches.

Driest meteorological autumns (September through November) in the Twin Cities (1871-2011)

rank  year  total
  1   2011  1.36 inches
  2   1889  1.54
  3   1952  1.71
  4   1976  2.07
  5   1936  2.10
  6   1953  2.24
  7   1892  2.33
  8   1967  2.45
  9   1912  2.90
 10   1974  2.93

      norm  7.28

wettest meteorological autumn was 15.75 inches in 1881

The dryness in the Twin Cities is a reflection of a large-scale drought situation that has steadily intensified across Minnesota during the late summer and autumn. See: Drought Information.