Local Precipitation Records in the Eugene Area date from 1900

Means and standard deviations for the periods indicated:

• 1900--1994: 42.4 +/- 9.06 inches
• 1900--1920: 39.0 +/- 6.91
• 1920--1940: 35.1 +/- 4.50
• 1940--1960: 40.9 +/- 7.35
• 1960--1980: 48.1 +/- 8.03
• 1980--1994: 50.1 +/- 7.60

Top Ten Wettest Years:

• 77.17 --> 1996 (possibly 101.93)
• 65.56 --> 1995
• 64.01 --> 1983
• 60.67 --> 1971
• 60.02 --> 1982
• 58.30 --> 1984
• 57.95 --> 1964
• 57.56 --> 1972
• 56.78 --> 1974
• 56.55 --> 1968

Top Ten Driest Years:

• 23.26 --> 1944 (this is kind of unbelievable)
• 26.39 --> 1930
• 27.22 --> 1908
• 27.91 --> 1939
• 28.91 --> 1935
• 29.26 --> 1952
• 29.95 --> 1905
• 30.01 --> 1933
• 30.21 --> 1911
• 31.40 --> 1918

There seems to be a clear trend of increased precipitation in the twentieth century. The most recent fairly dry year was 1985 with annual precipitation of 33.83 inches.

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