CLATSKANIE, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(351643)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1935 ----- z ----- z ----- z ----- z 43.87 49.47 51.90 51.97 50.83 42.74 33.77 33.29 44.73
1936 36.32 28.07 34.58 42.80 46.52 51.60 53.26 54.68 48.27 45.45 33.17 36.81 42.63
1937 23.77 32.89 39.32 39.13 44.13 50.30 53.45 51.68 50.80 46.77 42.33 36.52 42.59
1938 34.16 34.57 36.06 40.90 43.65 49.73 52.87 50.90 52.33 44.39 35.20 34.06 42.40
1939 36.65 32.36 36.42 39.87 44.26 47.80 51.84 51.84 49.90 44.61 39.53 39.81 42.91
1940 34.03 38.34 40.48 42.13 45.97 50.03 53.55 53.81 52.87 47.84 34.20 35.61 44.07
1941 35.26 36.32 38.90 41.23 45.13 49.57 56.00 54.58 49.40 45.16 40.53 35.65 43.98
1942 29.65 34.86 35.26 40.90 45.23 48.37 54.97 55.81 50.83 45.29 37.50 37.52 43.01
1943 27.97 34.18 35.39 41.67 43.26 48.77 53.16 53.19 50.90 46.10 37.73 32.90 42.10
1944 32.77 34.17 35.19 40.83 44.35 49.17 53.65 54.03 51.80 47.29 c 38.37 31.39 42.75
1945 35.74 36.39 35.58 39.30 46.42 47.87 53.13 a 53.58 49.00 45.42 38.83 35.32 43.05
1946 35.45 35.46 37.87 39.80 47.29 48.83 53.13 53.06 49.67 41.94 34.87 36.45 42.82
1947 30.29 36.75 39.26 42.87 47.00 49.80 52.61 52.65 49.57 46.65 40.13 37.29 43.74
1948 ----- z ----- z ----- z ----- z ----- z ----- z 52.61 53.87 48.77 42.10 36.47 31.06 44.15
1949 22.29 31.07 37.30 a 40.73 45.71 47.47 50.65 52.42 51.23 40.06 41.67 34.03 a 41.22
1950 21.84 31.86 36.77 38.57 42.55 50.53 52.65 54.84 50.23 43.42 39.23 41.61 42.01
1951 33.06 35.11 32.94 39.40 45.16 50.67 53.68 53.10 50.87 44.81 38.30 32.39 42.46
1952 31.03 34.72 35.68 38.93 44.00 49.37 52.63 a 53.97 50.47 47.23 33.87 35.23 42.26
1953 40.68 35.39 36.84 39.60 43.71 48.27 52.81 54.45 50.70 44.81 41.83 37.71 43.90
1954 31.61 35.14 32.84 38.33 43.87 47.27 50.71 52.97 50.07 42.65 42.90 34.58 41.91
1955 33.94 32.61 32.87 35.47 42.13 48.67 51.06 51.52 48.67 44.97 34.03 33.19 40.76
1956 33.74 29.62 35.06 40.77 45.81 47.87 53.61 53.87 a 49.63 42.55 35.77 34.71 41.92
1957 26.10 32.93 37.55 41.00 46.90 49.50 51.77 51.77 52.33 44.00 35.43 37.06 42.20
1958 37.52 41.18 35.06 39.70 48.06 54.40 56.61 54.58 49.77 45.48 38.77 39.77 45.08
1959 36.03 35.75 37.19 40.67 42.94 50.33 53.39 51.77 49.40 44.97 37.03 34.68 42.85
1960 32.39 34.66 36.23 40.57 43.32 49.60 52.48 53.32 49.43 46.10 38.13 33.42 42.47
1961 37.42 39.43 38.42 39.87 45.03 50.40 55.16 55.74 48.87 43.06 34.63 35.00 43.59
1962 31.39 35.79 34.48 40.60 42.19 47.80 52.06 53.19 50.90 45.55 40.67 36.71 42.61
1963 29.19 39.82 36.39 40.63 44.23 49.10 52.19 54.52 53.20 46.84 40.20 35.94 43.52
1964 36.35 33.79 36.55 37.77 42.55 48.43 52.42 52.13 49.60 44.03 36.57 32.42 41.88
1965 34.97 37.14 35.45 40.90 43.00 48.50 53.03 55.03 49.23 47.13 42.10 34.74 43.44
1966 35.29 34.93 36.32 40.25 f 43.42 48.37 52.90 53.35 51.70 44.55 40.10 39.68 43.69
1967 38.32 35.71 35.61 35.70 44.39 52.03 52.29 56.16 51.53 45.84 39.63 35.13 43.53
1968 34.32 36.93 39.29 38.37 44.84 49.83 53.61 52.71 50.67 42.87 39.07 31.97 42.87
1969 27.00 g 31.54 34.81 39.50 46.13 54.17 52.71 51.39 51.47 42.00 39.33 36.84 43.62
1970 35.48 36.18 36.48 37.93 43.48 50.20 52.81 52.65 47.40 42.23 a 38.50 33.94 42.27
1971 34.29 35.36 34.35 37.17 44.52 46.83 53.35 55.81 47.97 43.13 40.57 33.84 42.27
1972 32.71 35.41 39.39 36.80 46.94 50.67 53.84 54.35 48.38 d 42.17 a 40.20 31.84 42.72
1973 32.55 35.79 38.10 40.07 45.00 b 49.77 52.77 52.09 i 50.83 44.83 a 37.24 a 39.32 42.39
1974 31.71 36.46 38.06 41.14 b 43.52 49.30 52.26 55.77 52.20 43.13 41.53 38.42 43.63
1975 36.45 35.54 36.00 36.83 44.52 48.93 53.45 53.74 49.90 45.52 38.73 36.64 c 43.02
1976 35.97 33.86 a 35.60 a 39.17 44.48 47.62 a 52.65 54.13 52.69 a 44.53 a 40.34 a 35.43 c 43.04
1977 31.81 37.46 36.68 40.67 42.43 c 50.97 51.71 56.68 50.86 a 43.52 37.52 a 37.23 43.13
1978 37.94 39.85 b 39.39 41.28 a 44.23 52.37 54.86 b 54.76 b 51.43 44.65 33.83 31.03 43.80
1979 26.77 35.14 39.58 41.90 46.39 49.11 b 54.74 55.58 53.77 48.26 36.73 39.48 43.95
1980 29.87 37.69 38.48 b 41.63 45.65 49.80 54.68 53.52 50.90 44.35 41.67 39.23 43.96
1981 37.10 36.57 39.55 b 41.20 45.58 50.00 53.00 55.26 50.77 43.32 40.40 37.94 44.22
1982 33.94 35.68 36.55 36.57 44.03 50.90 51.94 52.48 51.23 45.71 35.77 33.87 42.39
1983 38.29 39.57 40.81 39.23 45.77 49.63 53.10 54.32 46.97 42.81 40.67 29.94 43.43
1984 35.58 36.55 40.00 38.53 42.35 47.93 50.26 50.58 48.67 42.65 37.90 30.71 41.81
1985 29.35 32.54 34.26 40.43 43.65 48.40 52.23 49.94 45.90 39.74 28.50 24.94 39.16
1986 34.16 35.36 39.23 37.97 44.00 49.60 51.10 54.10 47.50 42.03 39.43 ----- z 43.13
1987 32.52 36.18 38.35 39.67 46.97 47.47 53.42 51.42 48.37 38.84 40.00 32.10 42.11
1988 33.06 34.66 35.74 40.50 43.48 46.87 50.48 50.52 45.90 46.97 38.27 33.10 41.63
1989 35.26 25.96 36.84 40.87 43.90 50.07 51.23 53.26 45.57 42.19 39.63 35.00 41.65
1990 35.45 31.68 37.55 42.37 44.00 50.10 53.58 54.61 52.60 39.71 37.53 26.35 42.13
1991 30.55 37.75 34.10 38.67 44.26 47.60 51.90 53.61 47.97 38.26 38.77 35.84 41.61
1992 35.68 37.24 37.97 41.70 44.35 50.37 53.97 51.71 45.50 42.03 37.83 33.13 42.62
1993 27.29 26.54 37.06 40.67 47.61 49.57 52.52 51.97 46.93 43.00 29.60 33.19 40.50
1994 36.77 30.57 36.90 41.00 44.03 46.97 52.26 51.32 49.37 37.68 33.17 33.97 41.17
1995 35.00 36.18 33.68 37.33 45.58 48.90 53.58 49.81 51.60 41.23 40.83 34.61 42.36
1996 34.65 31.45 36.29 41.57 42.84 46.93 52.32 50.26 43.13 36.81 33.30 33.97 40.29
1997 33.65 32.93 36.55 37.53 45.35 48.27 50.84 53.90 49.70 42.06 37.83 31.87 41.71
1998 35.23 36.32 37.87 36.97 46.42 51.03 55.90 51.74 47.50 40.23 40.30 32.35 42.66
1999 34.65 34.75 34.77 35.33 40.74 48.10 50.23 53.45 43.60 39.03 40.07 35.45 40.85
2000 31.35 34.03 34.03 39.30 44.13 48.17 51.84 50.16 46.67 40.45 31.67 32.23 40.34
2001 32.32 28.96 34.87 36.40 41.55 45.83 51.16 52.06 47.37 40.71 38.53 33.19 40.25
2002 34.39 32.43 33.23 38.10 41.03 48.77 52.29 50.77 46.00 39.29 35.60 34.23 40.51
2003 35.71 30.15 h 38.87 39.30 42.48 48.90 51.48 51.06 47.80 46.58 33.17 34.74 42.74
2004 32.87 33.69 36.97 37.83 46.55 49.90 54.68 56.19 48.43 43.68 35.03 35.06 42.57
2005 33.39 28.50 36.58 40.80 47.32 49.37 51.55 53.13 43.90 45.06 33.90 32.19 41.31
2006 37.45 30.04 35.29 38.17 42.55 49.47 52.29 50.45 46.73 39.61 36.57 32.29 40.91
2007 29.32 35.68 37.90 38.23 41.90 47.27 53.39 51.55 46.33 39.68 33.90 33.68 40.74
2008 29.94 33.90 33.74 34.97 45.74 46.73 50.65 53.39 45.80 40.16 40.20 29.42 40.39
2009 29.39 29.43 32.61 36.63 41.71 50.13 53.35 52.29 47.20 41.13 37.37 25.35 39.72
2010 38.55 35.68 35.45 38.70 42.03 48.37 51.74 51.77 50.70 41.58 36.10 35.61 42.19
2011 33.42 30.29 35.52 35.07 41.00 48.53 51.26 52.16 50.00 43.48 34.57 29.87 40.43
2012 31.81 33.72 35.32 39.30 42.16 47.53 53.10 52.52 46.40 41.45 39.40 36.48 41.60
2013 29.35 36.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 32.68
Period of Record Statistics
MEAN 33.19 34.46 36.51 39.39 44.33 49.18 52.75 53.08 49.27 43.31 37.62 34.41 42.27
S.D. 3.68 3.03 1.97 1.92 1.72 1.55 1.32 1.66 2.32 2.59 3.02 3.13 1.20
SKEW -0.92 -0.58 0.10 -0.48 0.07 0.80 0.49 0.06 -0.51 -0.31 -0.65 -0.51 -0.28
MAX 40.68 41.18 40.81 42.87 48.06 54.40 56.61 56.68 53.77 48.26 42.90 41.61 45.08
MIN 21.84 25.96 32.61 34.97 40.74 45.83 50.23 49.81 43.13 36.81 28.50 24.94 39.16
NO YRS 76 76 76 75 77 77 78 77 78 78 78 77 71