KENNEWICK 10 SW, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(454159)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197408
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
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z 48.42 57.53 64.40 73.29 74.97 66.83 50.76 40.48 37.47 57.13
1951 31.18 36.11 38.37 52.90 58.89 66.53 73.92 71.39 65.12 a 50.34 38.23 27.32 50.86
1952 25.42 36.90 41.73 53.10 59.16 63.08 74.48 72.06 67.48 58.05 33.18 32.89 51.46
1953 41.76 39.70 44.55 48.73 55.16 59.85 72.97 71.97 66.82 54.68 43.13 37.69 53.08
1954 29.34 36.05 40.24 49.03 59.11 60.97 70.52 67.23 62.29 a 48.65 47.47 31.98 50.24
1955 29.98 34.61 38.11 45.08 54.11 65.64 a 68.27 71.97 63.98 51.66 30.80 28.73 48.58
1956 30.63 23.67 41.31 53.22 60.65 62.27 72.55 70.58 64.62 49.63 34.07 33.39 d 49.71
1957 16.29 31.39 e 40.89 50.33 60.66 67.20 70.15 69.33 g 66.97 48.27 40.23 39.84 c 48.38
1958 40.55 j 43.52 42.11 49.12 a 64.87 70.28 77.89 77.37 63.25 53.50 39.07 33.61 55.87
1959 31.24 34.38 43.26 50.05 54.63 65.55 75.29 69.52 60.02 52.21 36.00 31.89 50.34
1960 23.29 35.50 42.65 50.42 54.98 66.63 78.31 68.89 64.10 53.24 39.90 27.44 50.45
1961 33.02 41.84 43.76 48.87 57.92 72.47 77.40 78.60 60.93 50.66 34.93 33.29 52.81
1962 30.05 36.11 40.87 53.17 53.85 65.45 73.26 69.89 65.20 51.74 43.35 36.55 51.62
1963 26.18 38.98 44.58 48.03 58.48 66.05 69.02 e 73.08 68.67 55.27 42.32 29.79 51.70
1964 36.15 39.07 42.29 48.13 56.63 64.45 72.71 67.65 61.58 51.31 37.57 28.58 50.51
1965 32.11 40.29 42.05 53.22 58.13 66.43 74.50 71.90 60.97 56.71 42.67 33.39 52.70
1966 33.68 38.50 44.10 52.13 61.31 63.80 71.06 72.47 67.32 53.19 42.25 38.27 53.17
1967 39.27 42.50 42.60 45.75 59.55 70.12 75.98 79.97 70.43 54.15 40.00 33.77 54.51
1968 34.52 40.91 47.69 50.35 59.79 67.32 76.76 69.58 64.90 50.02 40.30 28.92 52.59
1969 20.50 31.84 44.44 50.55 63.26 70.95 72.77 70.48 64.12 49.18 41.37 32.82 51.02
1970 30.68 38.79 43.69 47.45 59.39 70.22 75.47 73.60 59.32 50.50 38.85 32.55 51.71
1971 37.26 38.14 39.87 49.22 61.23 62.28 75.50 77.92 59.33 50.60 40.95 32.15 52.04
1972 30.16 34.59 45.87 46.58 60.50 67.27 73.26 74.68 60.37 51.74 40.58 27.55 51.10
1973 30.21 37.41 45.90 a 51.90 61.24 66.82 76.44 71.44 62.22 a 51.19 38.27 37.87 52.58
1974 27.84 41.07 45.29 49.73 54.82 69.88 b 72.61 74.02 ----- z ----- z ----- z ----- z 54.41
Period of Record Statistics
MEAN 30.47 37.16 42.76 49.82 58.63 66.24 73.77 72.55 64.03 51.97 39.42 32.82 51.56
S.D. 5.74 4.27 2.38 2.35 2.90 3.22 2.67 3.37 3.08 2.47 3.68 3.70 1.37
SKEW -0.42 -1.24 -0.08 -0.11 -0.01 0.00 -0.23 0.60 0.15 0.76 -0.39 0.18 -0.05
MAX 41.76 43.52 47.69 53.22 64.87 72.47 78.31 79.97 70.43 58.05 47.47 39.84 54.51
MIN 16.29 23.67 38.11 45.08 53.85 59.85 68.27 67.23 59.32 48.27 30.80 27.32 48.58
NO YRS 23 24 24 25 25 25 25 24 24 24 24 24 21