ILLAHE, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(354133)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200706
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
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.50 43.28 43.16 47.31
1939 42.27 41.88 51.32 57.63 59.77 63.35 70.95 72.31 66.80 56.77 47.40 46.06 56.38
1940 43.48 47.64 50.47 55.62 61.37 67.70 68.00 70.61 h 64.82 ----- z 46.97 43.02 54.91
1941 44.66 48.45 52.55 55.65 59.34 ----- z 74.53 l 68.15 61.28 55.44 48.95 43.61 53.81
1942 41.37 43.88 46.85 52.18 55.44 61.32 70.18 71.68 65.58 57.37 47.47 44.84 54.85
1943 39.31 46.36 50.21 54.67 57.98 61.95 69.50 67.45 69.95 55.81 47.92 41.71 55.23
1944 41.58 43.40 47.81 50.00 57.97 62.68 70.47 70.19 67.25 58.60 45.17 42.94 54.84
1945 42.97 ----- z 45.37 51.64 h 59.48 65.33 73.78 b 71.37 67.50 e 55.42 46.78 44.34 57.23
1946 40.95 a 43.30 47.34 53.58 61.21 62.25 70.63 71.29 63.47 52.16 43.58 42.66 54.37
1947 37.37 a 48.29 51.40 55.72 62.84 62.47 66.73 67.18 65.40 56.53 46.93 42.97 55.32
1948 ----- z ----- z ----- z ----- z ----- z ----- z 67.34 67.11 63.37 54.61 44.83 37.79 55.84
1949 32.27 41.15 a 46.94 55.23 59.95 66.03 a 69.63 67.56 65.62 51.21 49.12 41.16 53.82
1950 35.89 43.11 a 46.02 51.77 58.15 64.58 71.24 71.87 64.65 55.13 48.95 48.64 b 55.00
1951 41.81 44.84 i 44.40 a 55.97 58.73 67.72 70.08 a 70.53 68.93 55.02 48.37 40.97 56.59
1952 38.39 43.93 44.72 a 55.07 59.19 61.15 72.70 a 70.60 68.97 a 62.44 43.17 a 43.32 55.30
1953 47.62 a 46.29 46.23 52.22 54.31 58.83 69.81 68.26 68.30 54.60 z 50.56 f 44.13 e 55.60
1954 42.27 a 47.95 f 47.69 d 54.50 g 59.13 h 58.88 e 66.48 67.71 s 62.41 n 54.85 50.57 41.95 51.81
1955 40.42 42.50 45.73 45.95 56.40 63.92 65.81 70.38 a 66.81 i ----- z ----- z ----- z 53.89
1956 ----- z 38.54 q 41.94 w ----- z 60.67 m 65.75 v 72.02 69.26 65.63 55.68 46.02 41.73 58.39
1957 37.44 47.34 49.15 53.60 59.18 64.60 67.37 65.77 66.87 52.73 a 45.80 44.58 54.54
1958 42.50 z ----- z ----- z 53.27 b 62.47 64.78 72.74 74.24 65.82 59.24 51.97 49.39 61.55
1959 46.53 44.59 50.31 56.15 56.81 63.40 71.68 69.89 63.20 57.58 47.90 42.34 55.86
1960 41.39 46.19 51.55 52.72 55.66 66.78 71.85 68.81 67.25 57.13 48.12 43.13 55.88
1961 46.00 47.27 47.95 52.82 55.18 66.53 69.50 72.03 62.95 55.89 45.60 42.52 55.35
1962 39.53 44.02 46.31 55.00 53.35 61.87 68.85 67.50 66.62 56.73 50.74 e 44.95 54.62
1963 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1964 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1965 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1966 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1967 ----- z ----- z ----- z ----- z ----- z 68.23 h 69.39 73.56 68.55 56.31 49.30 40.48 59.60
1968 41.05 50.02 50.94 51.53 56.60 64.78 69.95 66.81 64.77 55.16 48.37 41.34 55.11
1969 39.27 40.29 47.95 50.60 61.25 w 65.62 68.10 67.65 65.62 54.19 49.02 45.10 53.94
1970 45.94 49.30 49.90 48.17 58.31 65.93 69.81 68.23 62.57 52.50 i 49.38 41.31 55.35
1971 41.73 44.70 45.44 49.38 55.97 60.40 68.02 68.90 61.95 53.56 46.18 39.68 52.99
1972 40.21 45.33 51.79 49.32 59.60 65.37 70.79 70.76 62.67 56.15 48.23 38.66 54.91
1973 42.00 48.20 46.26 53.25 59.11 63.17 67.16 64.00 65.32 55.65 46.33 46.42 54.74
1974 41.05 44.23 48.68 52.00 56.52 65.22 68.71 70.98 70.25 57.98 49.73 44.39 55.81
1975 43.61 42.61 46.58 47.68 58.71 62.78 68.77 66.94 68.82 55.02 46.10 44.94 54.38
1976 43.48 44.59 46.79 50.30 58.92 61.18 68.58 67.76 66.67 58.19 51.60 40.53 54.88
1977 40.74 48.91 46.24 54.75 54.10 67.03 67.94 71.48 64.18 k 57.21 47.38 46.23 54.73
1978 47.31 48.21 53.56 50.52 57.34 64.88 70.16 69.03 61.47 59.26 44.78 39.10 55.47
1979 40.35 a 43.59 52.00 52.32 59.50 64.18 69.31 67.18 66.92 60.16 47.22 44.52 a 55.60
1980 42.23 48.98 47.58 53.10 56.66 59.70 69.84 67.32 65.87 58.23 50.02 45.21 55.39
1981 46.63 a 47.59 49.37 53.47 57.69 63.40 68.79 71.24 65.70 54.53 49.23 46.18 56.15
1982 39.32 44.66 46.16 48.27 58.73 65.22 67.18 69.47 64.83 56.02 45.90 42.68 54.04
1983 43.47 46.79 49.48 50.63 59.74 62.08 65.06 67.94 63.90 58.10 48.27 43.21 54.89
1984 44.10 45.03 ----- z 48.58 56.76 61.15 70.47 68.21 64.48 53.10 a 45.53 40.23 54.33
1985 41.05 44.02 45.37 55.12 57.03 65.10 71.63 68.52 62.73 52.67 a 36.33 z 38.12 n 56.32
1986 46.55 48.29 53.56 52.86 a 57.29 66.12 ----- z 72.39 62.58 58.29 49.63 44.05 55.60
1987 42.27 46.80 48.95 57.38 b 61.55 ----- z 67.69 72.37 65.58 ----- z 50.28 43.79 55.67
1988 44.87 48.12 48.84 52.67 56.77 62.95 71.27 71.18 67.13 63.65 47.91 a 40.90 56.36
1989 41.65 39.57 48.02 57.82 59.47 65.90 66.65 68.03 66.45 57.29 47.18 42.45 55.04
1990 43.97 42.57 51.44 53.85 56.95 64.34 a 72.74 71.35 67.30 54.06 ----- z ----- z 57.86
1991 ----- z 51.66 46.74 51.10 56.48 61.50 72.95 70.90 72.35 59.45 50.80 ----- z 59.39
1992 44.74 50.79 53.03 53.60 65.56 69.10 66.74 73.90 ----- z ----- z ----- z 38.98 57.38
1993 ----- z ----- z ----- z ----- z 49.97 ----- z 69.32 66.24 75.05 61.23 44.82 38.76 57.91
1994 38.66 48.25 47.15 53.97 60.69 58.27 74.77 ----- z ----- z ----- z ----- z ----- z 54.54
1995 51.71 47.25 46.45 56.68 ----- z 64.18 73.94 70.47 68.35 54.94 48.85 44.39 57.02
1996 42.44 40.40 50.85 47.27 51.02 a 65.72 79.61 79.31 ----- z 55.35 48.12 46.81 55.17
1997 44.23 43.71 50.87 51.40 63.74 63.32 72.44 70.68 64.50 53.31 48.97 41.39 55.71
1998 46.23 45.02 49.58 52.62 55.23 65.33 72.53 73.82 68.35 53.57 a 47.82 39.06 55.76
1999 43.31 44.07 45.02 d 51.88 57.11 65.42 69.29 69.61 70.40 58.60 a 46.37 43.85 55.41
2000 42.88 b 47.02 47.85 56.07 55.95 67.52 68.84 70.18 68.25 56.27 44.53 43.03 55.70
2001 42.50 44.84 50.18 49.92 63.63 62.10 69.56 e 69.56 66.45 54.92 48.47 43.79 55.49
2002 42.37 46.27 47.24 55.32 55.82 a 65.33 73.56 72.65 69.17 56.52 48.59 a 44.63 56.45
2003 47.92 47.38 49.87 47.95 55.74 68.72 71.87 71.10 63.82 ----- z 45.12 ----- z 56.95
2004 46.87 45.91 a 54.42 55.46 b 59.35 63.90 69.85 73.19 64.98 57.13 46.03 44.27 56.78
2005 42.74 46.64 51.42 51.38 60.10 63.63 73.55 73.77 64.47 55.98 ----- z 43.38 b 57.01
2006 45.27 44.59 45.05 ----- z ----- z 67.00 ----- z 70.50 67.83 55.82 46.90 43.79 54.08
2007 38.73 41.66 51.63 a 53.52 ----- z 62.58 ----- z ----- z ----- z ----- z ----- z ----- z 49.62
Period of Record Statistics
MEAN 42.49 45.57 48.69 52.70 58.04 64.00 70.07 70.01 66.14 56.31 47.56 43.04 55.23
S.D. 3.28 2.71 2.58 2.80 2.89 2.43 2.54 2.57 2.69 2.42 2.05 2.41 0.78
SKEW -0.14 -0.08 0.29 -0.31 -0.05 -0.28 0.81 0.60 0.64 0.64 -0.11 0.05 -0.55
MAX 51.71 51.66 54.42 57.82 65.56 69.10 79.61 79.31 75.05 63.65 51.97 49.39 56.78
MIN 32.27 39.57 44.40 45.95 49.97 58.27 65.06 64.00 61.28 51.21 43.17 37.79 52.99
NO YRS 59 57 59 58 57 59 61 61 58 57 58 59 36