EUGENE WSO AIRPORT, OREGON

Monthly Total Precipitation (inches)

(352709)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00
1940 4.49 10.00 4.42 1.45 2.18 0.10 0.10 0.06 2.98 4.57 5.10 5.14 40.59
1941 3.56 1.85 1.39 2.39 3.94 1.48 0.17 0.75 2.58 2.24 7.32 10.93 38.60
1942 4.63 3.23 1.81 2.06 3.72 1.81 0.07 0.05 0.06 2.56 11.23 12.99 44.22
1943 6.10 2.14 4.70 2.98 1.28 2.16 0.27 1.70 0.06 5.67 2.81 3.26 33.13
1944 2.66 3.35 1.42 2.93 1.60 0.49 0.01 0.05 1.22 1.26 5.58 2.69 23.26
1945 4.46 5.56 6.72 3.46 2.93 0.04 0.12 0.39 0.91 1.75 11.60 7.70 45.64
1946 5.92 4.50 5.94 0.84 1.35 1.25 0.46 0.02 2.70 4.98 8.64 4.08 40.68
1947 3.75 3.08 6.40 2.54 0.47 3.62 2.63 0.68 0.96 10.14 2.94 3.90 41.11
1948 8.35 6.71 4.33 3.09 3.25 1.10 0.49 0.56 2.52 2.06 6.19 8.67 47.32
1949 1.68 9.85 3.52 0.83 2.65 0.32 0.01 0.08 0.73 1.94 5.92 5.04 32.57
1950 12.92 5.28 5.03 1.44 0.95 1.27 0.10 0.43 0.92 12.66 9.43 4.56 54.99
1951 8.85 5.23 3.90 0.55 1.75 0.00 0.01 0.51 1.22 5.73 7.40 7.82 42.97
1952 6.16 4.33 1.90 1.29 0.29 4.76 0.00 0.09 0.74 0.62 1.71 7.37 29.26
1953 11.13 5.41 4.88 2.55 4.41 1.63 0.00 1.09 1.03 3.05 6.51 7.40 49.09
1954 12.43 3.65 2.90 2.55 0.59 1.51 0.19 0.83 0.95 2.74 4.66 4.83 37.83
1955 3.26 2.06 3.04 4.65 0.45 0.86 0.82 0.00 1.38 6.89 6.69 19.49 49.59
1956 10.89 5.29 4.83 0.97 2.17 1.05 0.00 0.47 0.74 8.33 1.20 4.56 40.50
1957 2.98 5.87 8.66 2.16 3.11 0.85 0.19 0.54 1.03 3.13 2.81 12.82 44.15
1958 9.35 10.14 2.32 3.18 1.53 2.14 0.00 0.03 1.48 2.34 7.87 4.01 44.39
1959 12.39 5.41 3.61 0.90 2.16 0.80 0.32 0.06 0.88 2.23 1.42 2.76 32.94
1960 4.83 6.54 9.81 3.29 4.44 0.07 0.00 0.47 0.75 1.65 12.02 3.21 47.08
1961 5.25 11.58 8.42 1.48 2.87 0.76 0.32 0.34 1.12 4.31 9.36 7.37 53.18
1962 1.39 4.53 7.07 3.06 1.92 0.66 0.00 1.18 1.93 6.33 6.34 3.03 37.44
1963 2.55 5.27 7.17 5.23 3.95 1.40 0.32 0.17 2.19 2.39 7.87 3.09 41.60
1964 14.83 0.86 4.53 1.28 0.90 1.29 0.54 0.27 0.73 1.03 10.70 20.99 57.95
1965 9.92 1.60 0.79 2.92 0.90 0.44 0.24 0.90 0.00 2.43 7.43 7.69 35.26
1966 10.97 1.83 5.95 0.52 0.54 0.23 0.45 0.02 1.44 1.93 9.10 8.31 41.29
1967 10.33 2.13 2.90 3.02 1.59 1.70 0.00 0.00 1.83 5.10 3.22 4.99 36.81
1968 7.53 6.32 3.91 1.06 2.86 0.96 0.02 5.79 2.57 5.99 7.02 12.52 56.55
1969 12.67 3.21 2.74 2.92 2.38 3.13 0.00 0.00 2.05 4.22 2.74 11.68 47.74
1970 14.38 3.37 2.45 3.04 0.80 0.76 0.00 0.00 1.19 4.30 8.23 11.57 50.09
1971 10.83 5.11 7.99 4.49 2.52 3.10 0.00 1.33 3.04 3.32 9.48 9.46 60.67
1972 12.48 6.52 7.63 5.80 2.94 1.91 0.02 1.70 2.71 1.31 3.76 10.78 57.56
1973 6.20 2.09 5.18 1.67 0.86 1.35 0.00 0.80 2.48 2.37 20.48 11.82 55.30
1974 12.80 8.42 12.46 2.47 1.12 0.37 1.37 0.42 0.08 1.59 6.42 9.26 56.78
1975 6.93 6.79 7.56 2.90 2.16 0.88 1.18 2.09 0.00 5.69 8.47 7.12 51.77
1976 9.82 7.66 6.23 1.89 0.94 0.21 0.42 2.04 1.13 1.87 1.33 1.24 34.78
1977 1.11 5.05 4.66 1.47 2.84 0.97 0.11 1.70 2.39 2.87 9.14 14.60 46.91
1978 9.05 3.25 1.68 6.56 2.12 0.74 0.72 2.17 3.45 0.29 6.61 2.86 39.50
1979 2.98 9.52 3.12 4.71 2.61 0.56 0.41 3.46 2.32 8.12 6.09 7.38 51.28
1980 7.45 4.68 5.11 4.20 1.39 2.06 0.39 0.02 0.75 1.90 8.66 14.73 51.34
1981 2.13 4.35 4.16 2.69 3.27 3.51 0.08 0.00 3.15 5.42 9.51 17.63 55.90
1982 9.31 8.14 4.88 6.89 0.26 1.92 0.54 0.72 2.81 3.95 7.07 13.53 60.02
1983 6.75 12.28 10.58 3.35 1.81 1.78 1.77 3.19 0.54 1.36 13.13 7.47 64.01
1984 2.11 9.58 6.36 5.41 3.91 3.88 0.27 0.03 0.94 6.05 18.67 4.56 61.77
1985 0.31 5.15 5.65 0.49 1.53 2.51 1.37 0.04 2.13 4.83 6.31 3.51 33.83
1986 6.97 14.22 4.41 1.85 3.21 0.33 0.42 0.04 4.65 2.46 11.04 3.30 52.90
1987 9.66 4.47 2.81 2.04 2.00 0.07 3.00 0.26 0.20 0.24 4.65 15.40 44.80
1988 8.72 1.59 4.78 5.65 3.71 2.37 0.11 0.04 1.22 0.11 14.27 5.18 47.75
1989 6.68 3.45 10.93 1.73 3.85 1.03 0.49 1.21 0.64 2.95 5.00 2.70 40.66
1990 15.09 6.32 3.43 2.44 2.99 2.01 0.88 2.38 0.28 7.59 7.59 4.47 55.47
1991 3.73 3.58 9.79 5.22 6.03 0.99 0.64 0.68 0.10 1.93 10.47 5.28 48.44
1992 4.57 5.15 2.10 7.82 0.14 1.68 1.32 0.10 0.99 4.60 6.54 12.59 47.60
1993 6.85 2.64 8.58 7.85 6.92 3.70 1.14 1.80 0.00 1.45 1.98 10.82 53.73
1994 5.50 5.58 5.58 2.02 1.58 1.14 0.02 0.00 2.04 7.49 9.58 6.10 46.63
1995 15.36 3.74 6.42 5.59 2.10 2.33 1.13 0.98 1.10 3.91 9.47 13.43 65.56
1996 14.74 a 16.89 2.45 3.91 3.50 0.39 0.54 0.09 2.49 4.50 12.06 14.95 76.51
1997 5.93 2.06 7.03 3.30 2.64 1.88 0.10 1.59 3.22 4.37 4.28 2.23 38.63
1998 8.08 6.21 5.13 2.61 4.98 0.79 0.00 0.00 0.35 2.34 11.35 8.53 a 50.37
1999 7.66 10.03 4.97 0.77 2.90 0.66 0.26 0.92 0.00 2.60 8.02 3.65 42.44
2000 9.57 6.00 2.37 2.09 3.10 0.70 0.42 0.00 0.99 3.06 1.61 4.10 34.01
2001 1.50 1.69 2.48 2.05 1.11 1.39 0.42 0.44 0.63 2.69 6.88 6.42 27.70
2002 7.84 2.41 4.28 1.92 2.14 0.42 0.01 0.12 0.85 0.40 4.72 12.05 37.16
2003 6.76 2.79 5.68 5.63 1.06 0.19 0.00 0.08 0.80 1.95 5.73 10.61 41.28
2004 7.07 4.11 1.80 2.69 1.73 1.36 0.06 0.80 2.07 3.47 2.21 4.11 31.48
2005 1.66 1.27 3.57 2.55 3.85 1.37 0.22 0.37 1.04 2.95 5.19 10.70 34.74
2006 12.68 3.02 4.55 1.94 3.02 0.84 0.09 0.00 0.52 0.66 14.28 7.68 49.28
2007 4.04 5.22 1.96 2.22 1.34 0.38 0.46 0.61 1.85 4.62 4.46 7.08 34.24
2008 8.32 1.65 4.49 1.63 0.55 0.62 0.05 1.10 0.22 1.73 3.97 4.84 29.17
2009 2.03 4.71 3.11 1.39 3.07 1.95 0.71 0.12 1.34 2.63 5.63 5.15 31.84
2010 5.13 4.58 5.43 4.01 3.72 2.79 0.02 0.44 1.62 5.16 5.91 6.78 45.59
2011 2.05 4.91 6.24 3.78 2.63 0.99 1.17 0.01 0.12 1.81 5.34 5.01 34.06
2012 8.12 4.05 9.94 3.62 2.68 2.24 0.16 0.03 0.01 3.93 7.61 7.77 50.16
2013 1.27 1.57 2.17 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.01
Period of Record Statistics
MEAN 7.14 5.17 4.96 2.93 2.34 1.36 0.42 0.70 1.34 3.52 7.21 7.72 45.09
S.D. 3.99 3.12 2.53 1.72 1.36 1.03 0.58 0.98 1.02 2.37 3.78 4.46 10.16
SKEW 0.27 1.35 0.76 0.98 0.71 1.09 2.40 2.61 0.75 1.28 0.93 0.80 0.36
MAX 15.36 16.89 12.46 7.85 6.92 4.76 3.00 5.79 4.65 12.66 20.48 20.99 76.51
MIN 0.31 0.86 0.79 0.49 0.14 0.00 0.00 0.00 0.00 0.11 1.20 0.00 23.26
NO YRS 74 74 74 73 73 73 73 73 73 73 73 74 73