HEADWORKS PTLD WTR BUR, OREGON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(353770)

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
1899 ----- z ----- z ----- z 52.23 53.55 63.77 75.81 65.16 69.97 53.03 50.73 41.87 58.46
1900 43.39 41.89 53.58 56.87 59.81 69.47 73.29 65.84 62.70 53.77 46.50 42.97 a 55.84
1901 39.00 43.04 a 46.07 d 52.40 60.97 a 63.10 71.58 74.90 ----- z 60.06 49.07 41.55 54.70
1902 39.35 43.00 49.21 b ----- z ----- z 68.03 71.48 74.26 65.93 60.55 44.57 40.10 a 55.65
1903 41.74 40.61 ----- z ----- z ----- z 69.67 69.61 69.81 64.13 ----- z ----- z 43.35 56.99
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.39 42.39
1905 ----- z ----- z ----- z 60.97 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.97
1906 ----- z ----- z ----- z ----- z 63.03 69.87 86.03 82.58 72.43 61.55 50.43 46.48 66.55
1907 37.71 49.41 f 49.19 60.73 69.74 70.90 79.00 72.84 70.90 65.19 53.77 45.29 61.39
1908 45.19 45.48 50.81 62.00 58.42 69.10 82.13 77.42 71.90 56.65 53.90 41.84 59.57
1909 37.03 43.75 53.48 57.20 61.97 71.53 71.19 75.84 71.70 61.00 47.73 38.65 57.59
1910 39.42 40.71 60.03 61.80 68.71 70.10 a 80.16 74.39 69.17 60.06 48.07 45.61 59.85
1911 40.35 45.25 56.58 58.30 60.94 63.23 81.19 74.58 57.23 55.29 45.40 40.00 56.53
1912 38.90 44.93 46.03 50.70 64.48 74.63 75.68 64.74 69.00 60.48 d 53.07 44.90 57.30
1913 39.39 45.64 49.55 60.89 b ----- z 72.57 75.71 80.58 72.87 61.87 51.40 43.84 59.48
1914 45.39 47.11 57.77 59.93 67.16 64.80 77.39 77.65 66.50 65.61 51.97 40.94 60.18
1915 43.65 49.39 60.19 65.10 63.52 70.23 74.55 82.06 71.87 62.13 47.50 43.71 61.16
1916 33.84 47.24 50.48 61.17 61.58 71.37 72.32 78.16 70.57 62.23 46.57 38.61 57.84
1917 40.19 44.82 46.03 52.20 59.32 71.73 82.58 83.81 70.70 66.52 55.33 49.32 60.21
1918 46.90 44.89 52.55 62.50 63.74 79.87 79.00 75.74 78.30 62.35 51.20 44.58 61.80
1919 45.61 44.00 54.06 61.20 66.94 71.63 82.39 81.94 72.43 57.74 47.93 36.68 60.21
1920 44.32 54.10 52.94 54.90 66.16 72.67 79.39 80.39 67.03 ----- z 52.13 46.77 60.98
1921 44.03 48.79 55.77 61.90 69.58 73.73 78.35 80.26 72.17 66.90 56.07 43.20 a 62.56
1922 39.06 44.29 47.52 56.20 68.23 78.13 84.19 77.71 74.27 61.19 48.40 37.32 59.71
1923 43.94 42.71 53.29 65.07 63.35 71.43 78.42 82.03 75.77 64.55 56.73 45.65 61.91
1924 43.48 52.62 53.45 63.50 73.58 76.10 80.52 76.23 a 74.07 60.29 48.97 39.90 61.89
1925 46.19 49.93 54.52 62.50 72.10 73.80 81.68 78.29 71.97 66.87 50.63 49.29 63.15
1926 47.16 53.46 64.61 71.30 64.35 73.20 82.55 77.61 65.03 61.00 55.17 45.71 63.43
1927 43.45 51.21 54.48 61.13 62.39 73.37 79.00 79.19 64.03 60.71 51.83 39.97 60.06
1928 40.94 48.00 c 54.10 55.13 71.94 66.03 75.58 77.07 b 68.40 63.23 54.10 43.55 59.84
1929 40.42 43.61 53.90 57.57 70.03 72.33 83.61 83.32 76.57 67.77 53.47 47.90 62.54
1930 35.39 50.04 61.45 65.87 63.13 73.07 79.45 82.29 72.87 61.74 55.00 45.71 62.17
1931 47.74 50.71 54.29 64.57 72.97 71.77 81.10 81.26 69.17 63.26 48.87 42.71 62.37
1932 41.52 44.93 51.13 59.83 65.23 76.07 75.45 76.52 78.60 65.39 53.33 42.32 60.86
1933 41.81 40.96 52.35 61.90 59.39 69.40 79.90 79.94 65.77 65.03 54.90 49.19 60.05
1934 49.68 56.54 64.97 69.17 69.39 71.47 74.48 80.10 72.73 65.76 b 52.63 46.16 64.42
1935 40.73 a 51.82 47.13 59.70 68.29 73.07 78.26 79.03 78.10 60.71 48.50 46.77 61.01
1936 46.13 40.48 51.45 65.30 71.47 a 72.13 76.35 78.68 73.67 68.81 55.87 45.55 62.16
1937 33.68 41.93 53.10 54.60 67.81 73.47 78.87 75.94 72.10 65.97 52.10 47.58 59.76
1938 45.23 46.96 51.06 61.97 69.35 74.23 82.94 76.23 77.47 64.16 48.00 a 45.68 61.94
1939 44.81 43.36 56.00 64.80 69.58 67.30 78.97 81.68 73.97 60.90 53.93 46.52 61.82
1940 43.63 a 49.48 57.23 62.20 74.23 78.27 77.71 81.23 72.87 63.90 49.03 47.03 63.07
1941 47.77 54.68 63.68 63.80 66.90 69.57 83.81 76.42 67.00 60.45 53.67 45.13 62.74
1942 41.87 46.61 54.58 61.73 63.35 68.53 78.77 79.45 76.47 65.00 48.83 43.61 60.73
1943 38.81 50.86 52.03 63.93 63.39 69.13 79.70 a 75.23 78.90 61.68 54.50 46.45 61.22
1944 45.32 46.86 54.19 58.83 68.06 70.33 79.48 79.13 76.93 67.65 50.07 44.48 61.78
1945 46.71 48.14 48.87 55.70 67.74 72.70 82.48 79.32 70.33 62.90 47.23 44.74 60.57
1946 43.58 46.82 51.19 59.70 68.71 67.87 78.29 78.06 69.20 55.35 47.33 44.42 59.21
1947 38.29 52.00 57.71 60.60 71.10 67.24 a 74.29 74.03 73.59 a 57.65 49.33 45.35 60.10
1948 45.35 43.66 49.55 54.17 64.23 73.20 74.42 71.35 70.37 59.65 45.33 39.03 57.53
1949 34.58 41.71 51.67 a 62.73 69.42 72.80 75.71 76.37 a 73.83 55.42 58.10 41.94 59.52
1950 31.90 42.36 47.77 55.87 64.71 70.47 78.39 81.39 73.27 56.94 48.87 48.97 58.41
1951 41.61 46.96 47.13 a 65.63 62.03 76.77 79.77 a 78.61 76.47 54.35 50.07 39.73 a 59.93
1952 38.16 44.68 a 49.10 63.77 68.45 68.27 82.23 80.42 78.90 71.45 50.17 42.61 61.52
1953 48.61 48.93 51.55 57.63 62.35 64.93 78.87 75.94 74.50 64.97 52.97 46.74 60.67
1954 41.16 49.54 52.58 58.77 68.60 a 65.53 73.20 a 70.90 a 69.87 62.31 b 54.77 45.63 a 59.40
1955 43.00 45.00 46.39 52.45 a 62.30 a 69.57 72.00 c 77.84 71.97 a 59.63 a 44.33 42.23 57.22
1956 41.87 38.45 47.94 62.62 a 68.97 68.03 80.70 a 74.97 72.37 57.23 51.33 45.23 59.14
1957 36.87 46.14 51.16 60.37 66.68 70.80 76.71 75.42 79.77 60.17 a 53.10 47.77 60.41
1958 48.10 53.68 52.97 58.77 74.23 73.77 85.06 84.32 72.83 67.32 51.63 50.68 64.45
1959 45.03 46.07 52.81 59.50 63.65 70.40 80.81 76.06 66.93 62.61 53.37 47.26 60.37
1960 40.32 47.41 52.39 58.40 61.19 74.53 82.71 73.19 73.47 63.00 50.83 47.32 60.40
1961 50.35 49.14 51.19 56.87 64.26 79.23 82.55 83.68 69.57 61.55 50.60 44.77 61.98
1962 44.06 49.39 48.94 61.33 58.65 73.00 77.90 76.26 74.27 63.71 53.55 a 49.00 60.84
1963 40.94 54.96 52.65 54.47 67.35 67.20 72.32 76.16 76.37 63.52 50.93 47.71 60.38
1964 45.00 50.17 49.87 55.17 63.23 67.63 76.42 73.35 69.00 65.06 48.33 42.00 58.77
1965 44.74 47.71 58.03 61.70 62.65 72.43 81.06 77.71 71.20 67.13 54.13 43.50 a 61.83
1966 44.32 47.79 52.81 60.20 68.71 70.87 75.45 78.23 73.40 62.90 52.13 46.23 61.09
1967 45.06 50.96 49.13 54.77 65.97 74.67 79.71 86.52 77.93 62.35 53.70 42.19 61.91
1968 43.68 55.52 56.26 56.93 64.94 70.97 78.77 73.10 70.93 59.84 52.17 41.35 60.37
1969 37.10 44.86 55.77 57.70 70.35 70.23 73.90 72.19 70.33 60.45 53.30 46.84 59.42
1970 45.77 54.11 53.68 53.37 67.39 75.30 78.87 80.10 68.30 60.61 51.07 43.35 60.99
1971 44.16 47.79 48.03 59.20 68.42 66.53 79.00 80.19 68.73 59.03 49.93 41.97 59.42
1972 41.81 47.72 54.58 53.47 69.90 71.67 80.32 81.77 69.10 62.32 52.63 40.29 60.47
1973 42.81 52.64 52.03 59.97 69.06 70.43 80.61 74.58 73.07 59.61 45.70 47.19 60.64
1974 41.90 45.96 53.45 56.73 61.58 73.33 75.48 77.58 79.70 66.90 52.93 47.39 61.08
1975 45.77 46.39 49.45 54.30 65.97 68.43 76.84 71.52 78.20 57.13 49.27 47.19 59.21
1976 47.13 47.45 50.65 57.87 67.84 68.37 76.97 72.70 a 73.53 64.87 57.40 49.13 61.16
1977 47.10 54.00 50.48 64.13 60.26 75.17 76.84 81.84 67.67 62.87 a 48.67 46.87 61.32
1978 46.11 c 51.07 57.74 57.87 63.39 74.20 77.39 75.10 67.00 67.77 48.07 41.65 60.61
1979 37.32 44.82 57.39 58.00 68.61 73.57 79.06 75.61 76.47 64.29 51.47 49.61 61.35
1980 41.10 48.93 50.71 62.77 63.74 66.80 78.52 74.61 73.67 67.10 53.83 51.07 a 61.07
1981 52.13 a 52.64 56.68 60.53 64.84 69.27 76.55 83.45 76.13 62.26 56.37 46.68 63.13
1982 42.00 47.68 53.16 58.13 67.16 74.90 75.90 77.94 72.27 63.42 49.57 45.39 60.63
1983 50.81 52.00 55.71 62.23 70.87 68.80 73.13 77.10 70.23 63.55 51.13 38.61 61.18
1984 48.48 52.59 57.10 55.23 64.23 69.60 81.87 80.42 72.80 58.29 49.80 41.55 61.00
1985 46.32 46.07 52.06 61.53 66.77 75.37 85.35 79.16 68.17 60.90 41.57 44.47 a 60.65
1986 49.61 48.46 61.13 59.17 66.65 76.30 73.87 83.84 67.63 66.94 52.53 47.65 62.81
1987 46.23 51.61 54.39 66.47 69.55 78.57 76.58 84.52 ----- z 72.94 54.43 42.74 63.46
1988 43.97 54.00 54.87 60.30 66.35 73.10 80.42 82.10 77.70 68.94 49.97 47.81 63.29
1989 45.42 41.82 50.68 65.23 67.74 75.67 75.77 74.81 78.63 62.87 53.37 47.35 61.61
1990 47.19 46.14 56.84 64.87 64.23 71.63 83.65 82.35 78.70 60.74 52.20 39.39 62.33
1991 46.48 57.14 52.94 57.27 60.16 67.90 83.48 81.68 81.77 68.26 52.00 48.32 63.12
1992 49.90 56.66 64.23 63.20 77.16 78.37 82.00 84.19 74.90 64.16 52.03 42.61 65.78
1993 41.52 48.54 55.71 58.73 71.94 70.97 70.90 79.58 80.43 69.13 49.97 47.26 62.06
1994 50.03 47.61 60.26 61.80 70.55 71.30 84.39 81.84 79.67 63.97 46.10 44.42 63.49
1995 47.42 54.14 56.42 59.90 70.42 72.43 81.06 78.29 75.20 61.81 55.80 47.74 63.39
1996 45.26 49.86 56.10 61.87 63.45 74.63 86.52 85.10 72.53 63.58 50.37 45.45 62.89
1997 45.45 50.68 52.58 58.90 72.16 ----- z 79.32 82.97 75.57 60.35 56.37 46.00 61.85
1998 47.19 51.71 54.97 61.77 61.06 71.83 80.03 82.65 78.77 63.29 51.17 43.65 62.34
1999 46.97 46.93 51.39 60.17 63.32 68.40 77.81 79.06 78.50 66.16 54.80 48.55 61.84
2000 44.26 50.34 53.81 63.87 63.10 74.17 77.13 77.32 71.27 61.16 48.37 46.45 60.94
2001 47.74 49.61 53.65 56.17 70.58 68.70 73.68 77.10 73.57 60.00 52.33 44.84 60.66
2002 43.26 50.68 49.39 58.77 63.00 72.27 79.19 78.68 74.70 61.13 54.40 47.03 61.04
2003 50.84 50.39 52.61 56.03 65.42 75.57 81.58 80.74 75.23 62.74 48.47 45.23 62.07
2004 43.10 48.90 59.55 65.23 64.87 72.70 81.10 77.10 68.50 61.58 50.67 46.52 61.65
2005 46.42 53.39 58.58 58.23 66.29 66.97 78.45 80.10 70.50 61.00 49.53 43.77 61.10
2006 46.90 46.75 51.00 60.63 68.48 72.80 79.87 78.61 74.03 60.74 49.30 46.55 61.31
2007 43.94 49.25 55.90 58.47 65.64 f 68.92 f 77.79 g 75.00 68.70 56.10 48.03 39.37 l 56.92
2008 39.71 48.55 47.90 53.03 63.13 66.90 77.52 75.87 72.37 58.29 52.20 39.87 57.95
2009 43.23 47.50 45.74 56.10 65.68 68.57 81.03 75.35 71.93 57.45 49.13 40.87 58.55
2010 47.94 51.96 53.26 55.17 58.16 63.60 74.26 75.00 68.37 60.45 47.20 43.81 58.26
2011 44.26 43.57 47.06 50.37 57.39 64.47 70.94 74.61 73.87 58.23 48.29 b 43.32 56.36
2012 44.94 45.97 46.84 56.33 63.39 64.23 72.39 78.13 74.34 a 59.94 50.53 42.13 58.26
2013 40.74 45.71 53.17 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.54
Period of Record Statistics
MEAN 43.56 48.08 53.22 59.57 65.95 71.19 78.37 77.89 72.52 62.27 51.07 44.57 60.81
S.D. 4.00 4.03 4.19 3.99 4.17 3.66 3.70 4.05 4.30 3.73 3.11 3.07 1.81
SKEW -0.47 0.06 0.57 0.02 -0.07 -0.06 -0.18 -0.64 -0.35 0.07 -0.21 -0.33 -0.32
MAX 52.13 57.14 64.97 71.30 77.16 79.87 86.52 86.52 81.77 72.94 58.10 51.07 65.78
MIN 31.90 38.45 45.74 50.37 53.55 63.10 69.61 64.74 57.23 53.03 41.57 36.68 55.84
NO YRS 111 110 110 110 108 110 111 112 110 110 111 112 101