DAVENPORT, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(452007)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 ----- z ----- z ----- z ----- z ----- z 62.17 x 63.10 63.52 56.87 46.57 a 33.95 18.55 a 47.09
1949 5.27 22.04 36.26 46.85 55.63 57.98 65.11 68.58 60.57 42.81 40.10 27.11 44.03
1950 7.31 26.98 34.92 43.38 52.19 59.58 66.47 66.34 60.05 44.65 34.95 32.84 44.14
1951 25.73 30.36 32.48 a 46.80 53.58 58.92 67.85 65.10 58.42 44.82 34.23 20.85 44.93
1952 20.97 28.03 35.76 48.35 54.50 58.85 67.58 63.27 58.47 49.24 30.48 a 28.32 45.32
1953 36.15 34.79 40.23 44.70 50.85 55.42 66.90 65.79 60.13 49.35 39.47 a 32.74 48.04
1954 25.24 33.41 36.58 43.38 55.69 56.73 65.69 62.74 57.95 45.50 42.13 28.47 46.13
1955 26.32 27.38 31.92 41.07 50.19 62.00 65.15 a 66.52 59.75 46.66 27.47 25.08 44.13
1956 28.23 28.05 r 35.47 49.85 58.05 58.45 69.73 66.89 60.18 46.29 32.28 29.76 48.65
1957 15.34 25.79 38.39 48.28 a 59.05 61.98 65.63 63.34 63.10 45.44 35.00 33.65 46.25
1958 32.34 40.91 38.92 45.35 61.29 65.18 70.92 71.65 58.03 49.23 35.38 31.15 50.03
1959 29.13 30.77 39.53 48.00 50.60 60.45 68.65 63.42 56.43 46.05 33.00 29.53 46.30
1960 21.90 32.02 38.95 46.15 51.40 61.33 72.18 64.00 59.97 49.58 35.92 27.24 46.72
1961 30.19 37.48 40.52 45.48 54.05 66.90 71.21 73.06 55.42 44.60 31.67 26.23 48.07
1962 22.23 32.50 35.52 49.82 51.45 59.57 66.35 64.61 60.73 47.11 37.98 33.55 46.79
1963 21.45 36.98 40.40 45.55 54.37 60.78 65.05 67.95 65.17 49.98 38.20 26.90 47.73
1964 28.05 28.22 35.16 44.83 53.15 60.30 67.56 62.73 55.87 48.42 32.95 25.03 45.19
1965 ----- z ----- z ----- z ----- z ----- z ----- z 65.32 65.16 51.35 m 49.87 ----- z 26.77 i 60.12
1966 27.05 32.07 38.13 ----- z ----- z 55.95 62.24 62.47 58.52 45.68 37.68 32.71 45.25
1967 32.47 34.80 36.74 40.58 50.48 c 62.17 68.00 71.02 64.12 ----- z ----- z ----- z 51.15
1968 ----- z ----- z ----- z ----- z 54.34 l 59.33 69.76 62.87 58.33 44.90 34.62 24.27 50.58
1969 14.65 24.86 34.29 45.33 55.69 63.97 65.52 63.95 58.77 43.31 36.17 28.23 44.56
1970 23.81 33.62 36.60 41.00 52.98 64.78 69.45 67.97 52.72 44.85 34.60 24.76 45.60
1971 27.66 32.68 33.21 42.68 54.82 55.22 67.58 71.29 53.40 ----- z 35.10 22.16 45.07
1972 20.26 28.28 40.10 40.97 54.26 59.40 64.74 69.29 52.40 46.40 35.60 22.90 44.55
1973 24.77 32.04 39.65 45.13 54.10 58.95 68.05 66.76 58.17 46.19 31.60 32.48 46.49
1974 22.26 33.61 37.48 44.78 48.87 63.35 65.31 66.48 60.55 49.05 36.20 30.08 46.50
1975 21.71 23.68 33.15 41.80 51.81 58.05 70.35 ----- z 60.92 45.40 34.03 29.63 42.78
1976 26.27 30.45 34.07 a 44.40 53.06 56.47 a 66.66 c 63.95 61.95 46.82 35.15 27.56 45.57
1977 19.48 33.68 36.70 a 49.45 48.55 63.37 64.98 71.18 53.75 45.65 31.80 25.85 45.37
1978 25.60 31.29 39.95 44.68 50.17 a 60.82 66.82 64.90 56.10 47.08 28.60 18.50 44.54
1979 11.05 26.18 39.76 43.90 54.08 61.23 69.00 68.73 61.35 50.15 29.47 32.39 45.61
1980 17.97 30.05 36.58 49.15 54.35 ----- z 65.74 62.02 57.85 47.63 35.98 31.54 c 44.44
1981 32.92 32.54 41.24 44.07 51.81 54.70 64.48 70.71 58.05 44.92 37.35 26.48 a 46.61
1982 21.90 28.21 37.73 41.15 52.02 63.38 64.42 66.05 ----- z 45.27 31.22 26.19 43.41
1983 32.76 35.61 41.37 44.30 55.19 58.42 62.48 69.35 55.09 b 45.27 37.57 14.47 a 45.99
1984 24.94 31.83 40.10 42.55 48.24 56.12 64.66 65.98 52.18 40.84 34.15 14.89 43.04
1985 18.97 19.21 30.81 45.48 ----- z ----- z 71.11 61.66 50.63 42.66 18.65 16.19 37.54
1986 26.00 26.50 40.72 a 43.12 53.13 63.25 61.05 70.06 ----- z 47.11 33.37 23.82 44.38
1987 22.90 32.64 39.48 49.90 54.94 62.03 65.21 63.95 61.13 47.13 37.25 25.53 46.84
1988 21.26 30.88 38.77 46.98 51.21 58.25 64.61 64.11 55.93 51.79 ----- z 24.61 46.22
1989 25.69 21.04 34.89 47.08 51.40 62.15 65.24 62.60 58.02 ----- z 36.52 28.55 44.83
1990 31.69 26.20 39.85 48.10 ----- z 57.52 68.63 67.53 62.82 42.92 37.77 18.92 45.63
1991 22.48 38.52 36.29 44.75 50.03 54.90 65.16 67.92 59.52 44.18 32.95 30.50 45.60
1992 29.60 37.52 42.95 46.22 55.42 65.60 64.71 66.45 53.93 47.27 ----- z 19.34 48.09
1993 18.74 22.71 35.11 43.78 58.32 57.70 59.16 62.92 57.02 47.60 27.85 29.35 43.36
1994 34.10 27.77 40.68 47.88 54.40 57.65 69.34 66.67 b 61.32 44.77 30.02 29.00 46.97
1995 29.60 35.38 38.29 44.05 54.89 59.15 65.77 60.58 60.68 43.58 37.58 29.39 46.58
1996 24.42 27.18 a 36.06 45.87 47.97 ----- z 67.23 66.42 53.52 44.77 32.40 20.55 42.40
1997 24.11 27.80 39.24 42.08 55.23 57.97 ----- z 67.85 60.18 45.26 38.55 27.52 44.16
1998 30.22 a 36.75 39.02 44.98 54.39 59.95 71.87 68.37 62.77 45.24 37.43 26.50 48.12
1999 30.08 33.16 38.24 42.80 48.06 56.97 a 62.95 c 68.35 55.98 a 44.74 38.82 30.48 45.89
2000 25.29 31.00 38.16 47.19 c 51.44 58.38 d 63.23 63.31 54.03 a 44.27 25.72 a 22.42 43.70
2001 24.48 24.66 36.68 a 42.47 52.82 55.03 a 64.40 68.05 c 59.65 43.89 39.37 25.34 c 44.74
2002 28.81 30.36 34.18 44.32 49.82 59.83 67.76 63.77 56.48 40.95 35.88 32.29 45.37
2003 32.31 32.91 39.76 44.55 51.44 61.35 67.52 66.65 59.65 49.84 28.07 27.71 46.81
2004 24.60 28.86 42.10 47.35 52.92 61.15 68.50 68.13 55.62 47.00 35.15 30.23 46.80
2005 25.55 32.73 40.73 45.73 54.97 57.18 66.21 65.63 54.22 46.84 32.53 21.61 45.33
2006 33.98 30.16 37.13 45.37 54.31 60.98 b 67.03 k ----- z ----- z ----- z ----- z ----- z 43.65
Period of Record Statistics
MEAN 24.79 30.49 37.62 45.16 53.09 59.76 66.50 66.15 58.08 46.13 34.22 26.46 45.86
S.D. 6.30 4.58 2.74 2.45 2.80 2.93 2.70 2.89 3.27 2.33 4.11 4.84 1.44
SKEW -0.87 -0.21 -0.40 0.12 0.37 0.29 -0.02 0.31 -0.18 0.14 -1.13 -0.67 0.38
MAX 36.15 40.91 42.95 49.90 61.29 66.90 72.18 73.06 65.17 51.79 42.13 33.65 50.03
MIN 5.27 19.21 30.81 40.58 47.97 54.70 59.16 60.58 50.63 40.84 18.65 14.47 43.04
NO YRS 56 55 56 55 53 54 57 57 55 55 54 56 40