KENNEWICK 10 SW, WASHINGTON

Monthly Average Minimum 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 36.70 43.71 52.87 57.68 59.74 53.77 42.45 34.53 32.77 46.02
1951 25.77 28.75 29.94 40.23 44.61 53.53 58.48 57.39 52.48 a 41.94 31.90 21.42 40.54
1952 19.77 30.76 32.03 39.63 46.42 49.47 59.52 57.74 54.80 47.84 27.57 28.87 41.20
1953 36.58 32.96 35.00 38.40 43.55 48.13 57.90 59.06 53.73 45.10 37.07 32.19 43.31
1954 23.32 30.89 30.87 37.47 46.23 47.70 55.13 53.52 50.24 a 39.23 38.73 26.10 39.95
1955 24.68 26.96 28.29 34.60 41.35 51.27 54.29 55.90 50.00 41.87 22.80 21.87 37.82
1956 24.06 15.28 32.19 40.17 49.00 48.40 59.00 56.19 50.97 38.94 27.53 26.78 d 39.04
1957 9.52 23.96 e 32.61 39.07 49.13 52.83 55.00 54.79 g 53.70 40.39 32.47 32.42 38.28
1958 31.48 37.04 32.97 38.83 a 51.77 56.37 62.16 61.71 50.27 41.29 31.30 27.42 43.55
1959 23.71 26.43 32.13 36.73 41.19 52.00 59.58 55.74 49.07 41.52 26.80 26.06 39.25
1960 16.52 27.41 32.71 38.50 41.61 50.70 61.48 53.74 50.63 42.16 31.27 22.32 39.09
1961 26.77 33.61 34.06 36.37 45.65 56.83 61.71 63.65 48.60 40.65 26.50 27.39 41.81
1962 23.19 29.36 31.84 40.63 43.19 50.63 57.55 55.94 51.67 43.19 36.53 31.45 41.26
1963 18.71 31.68 33.87 38.47 45.32 51.83 53.62 e 58.61 55.70 44.77 35.77 25.06 41.12
1964 29.32 29.31 32.39 36.57 43.13 50.70 57.58 52.71 48.13 41.10 32.60 22.29 39.65
1965 27.06 32.43 31.13 41.27 45.13 52.20 59.65 58.39 47.90 45.48 37.27 27.32 42.10
1966 27.90 30.89 34.26 39.57 46.65 50.03 56.42 57.97 54.70 42.84 35.37 32.29 42.41
1967 32.77 33.61 32.81 34.63 45.52 55.43 60.00 64.58 56.10 43.87 33.03 26.87 43.27
1968 27.61 33.66 38.00 38.40 46.65 52.90 61.19 56.68 52.93 40.81 34.17 23.16 42.18
1969 14.48 26.93 35.48 40.27 50.32 57.17 57.81 55.84 51.47 39.48 34.40 28.97 41.05
1970 25.32 33.00 34.39 36.67 45.29 56.33 60.32 58.26 46.13 39.61 32.37 26.39 41.17
1971 30.90 30.32 31.39 37.80 47.39 48.93 60.58 62.74 46.73 40.84 34.07 25.94 41.47
1972 23.52 27.41 36.48 34.57 46.90 53.17 58.10 59.48 48.10 41.55 34.13 21.42 40.40
1973 23.32 30.39 36.33 a 39.67 47.45 52.87 61.19 56.06 48.52 a 41.39 33.63 33.42 42.02
1974 21.68 34.00 36.84 39.17 43.03 55.57 b 57.68 60.03 ----- z ----- z ----- z ----- z 43.50
Period of Record Statistics
MEAN 24.50 29.88 33.25 38.17 45.61 52.31 58.54 57.99 51.10 42.01 32.58 27.09 41.08
S.D. 5.98 4.34 2.32 1.92 2.72 2.80 2.37 3.07 2.88 2.17 3.90 3.85 1.51
SKEW -0.43 -1.50 0.14 -0.46 0.32 0.16 -0.42 0.43 0.09 0.90 -0.78 0.12 -0.27
MAX 36.58 37.04 38.00 41.27 51.77 57.17 62.16 64.58 56.10 47.84 38.73 33.42 43.55
MIN 9.52 15.28 28.29 34.57 41.19 47.70 53.62 52.71 46.13 38.94 22.80 21.42 37.82
NO YRS 24 24 24 25 25 25 25 24 24 24 24 24 22